/* ==========================================================================
   Hoá Nông India — Design System
   Phong cách tham chiếu: eurofert.com.vn
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Brand green */
  --green-900: #1c3a11;
  --green-800: #24491a;
  --green-700: #2e5a1c;   /* primary */
  --green-600: #3c7025;
  --green-500: #4d8a30;
  --green-100: #dcead2;
  --green-50:  #eef4e9;

  /* Accent orange (CTA / active nav) */
  --orange-700: #a8481a;
  --orange-600: #c05621;
  --orange-500: #d9691f;
  --orange-400: #e2802f;
  --orange-50:  #fdf0e6;

  /* Neutrals */
  --ink:        #1f2622;
  --body:       #4a5450;
  --muted:      #7b857f;
  --line:       #e6e9e4;
  --surface:    #ffffff;
  --surface-2:  #f6f8f4;
  --surface-3:  #eff2ec;

  /* Type */
  --font-head: 'Quicksand', 'Be Vietnam Pro', system-ui, sans-serif;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;

  /* Shape */
  --r-sm: 8px;
  --r:    14px;
  --r-lg: 22px;
  --r-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(31, 38, 34, .06);
  --shadow:    0 6px 24px rgba(31, 38, 34, .08);
  --shadow-lg: 0 18px 46px rgba(31, 38, 34, .14);

  --wrap: 1200px;
  --gutter: 20px;
  --section-y: 84px;

  --header-h: 78px;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  background: var(--surface);
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 .6em;
}
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 3px solid var(--orange-400); outline-offset: 2px; border-radius: 4px; }

/* ---------- 3. Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 880px; }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: 58px; }
.section--soft { background: var(--surface-2); }
.section--green {
  background: linear-gradient(150deg, var(--green-800) 0%, var(--green-700) 55%, var(--green-600) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section--green h2, .section--green h3 { color: #fff; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 4. Section heading ---------- */
.sec-head { text-align: center; margin-bottom: 46px; }
.sec-title {
  display: flex; align-items: center; justify-content: center; gap: 22px;
  font-family: var(--font-head);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--green-700);
  margin: 0 0 12px;
}
.sec-title::before, .sec-title::after {
  content: ""; height: 1px; width: 78px; flex: none;
  background: linear-gradient(90deg, transparent, var(--green-500));
}
.sec-title::after { background: linear-gradient(90deg, var(--green-500), transparent); }
.section--green .sec-title { color: #fff; }
.section--green .sec-title::before { background: linear-gradient(90deg, transparent, rgba(255,255,255,.6)); }
.section--green .sec-title::after  { background: linear-gradient(90deg, rgba(255,255,255,.6), transparent); }
.sec-sub { max-width: 680px; margin: 0 auto; color: var(--muted); }
.section--green .sec-sub { color: rgba(255,255,255,.82); }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 34px;
  border: 2px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-head);
  font-weight: 700; font-size: 14px;
  letter-spacing: .09em; text-transform: uppercase;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--green-700); color: #fff; box-shadow: 0 8px 22px rgba(46,90,28,.28); }
.btn--primary:hover { background: var(--green-600); box-shadow: 0 12px 28px rgba(46,90,28,.34); }
.btn--orange { background: var(--orange-500); color: #fff; box-shadow: 0 8px 22px rgba(217,105,31,.3); }
.btn--orange:hover { background: var(--orange-600); }
.btn--ghost { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.75); }
.btn--ghost:hover { background: #fff; color: var(--orange-600); border-color: #fff; }
.btn--outline { background: transparent; color: var(--green-700); border-color: var(--green-700); }
.btn--outline:hover { background: var(--green-700); color: #fff; }
.btn--sm { padding: 11px 24px; font-size: 12.5px; }
.btn--block { width: 100%; }

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .2s ease;
}
.site-header.is-stuck { box-shadow: 0 4px 18px rgba(31,38,34,.08); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  min-height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { height: 52px; width: auto; }
.brand-text { display: none; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  position: relative;
  font-family: var(--font-head);
  font-weight: 700; font-size: 13.5px;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink); padding: 6px 0;
  transition: color .18s ease;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--orange-500);
  transform: scaleX(0); transform-origin: left; transition: transform .22s ease;
}
.nav a:hover { color: var(--orange-600); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { color: var(--orange-600); }

.header-cta {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--orange-500); color: #fff;
  padding: 11px 22px; border-radius: var(--r-pill);
  font-family: var(--font-head); font-weight: 700; font-size: 14px;
  box-shadow: 0 6px 18px rgba(217,105,31,.28);
  transition: background .18s ease, transform .18s ease;
  flex: none;
}
.header-cta:hover { background: var(--orange-600); transform: translateY(-2px); }

.nav-toggle {
  display: none; width: 44px; height: 44px; flex: none;
  border: 1px solid var(--line); border-radius: 12px;
  background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); position: relative; }
.nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 2px; background: var(--ink);
}
.nav-toggle span::before { top: -6px; } .nav-toggle span::after { top: 6px; }

/* ---------- 7. Hero ---------- */
.hero { position: relative; min-height: min(78vh, 660px); display: grid; place-items: center; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.72) 0%, rgba(255,255,255,.55) 45%, rgba(255,255,255,.78) 100%);
}
.hero__inner { position: relative; text-align: center; padding-block: 90px; }
.hero__eyebrow {
  display: inline-block; margin-bottom: 18px;
  font-family: var(--font-head); font-weight: 700; font-size: 13px;
  letter-spacing: .18em; text-transform: uppercase; color: var(--orange-600);
}
.hero h1 {
  font-size: clamp(30px, 5.6vw, 62px);
  letter-spacing: .02em; text-transform: uppercase;
  color: var(--green-700);
  text-shadow: 0 2px 18px rgba(255,255,255,.75);
  margin-bottom: 18px;
}
.hero h1 span { display: block; color: var(--green-600); }
.hero__sub { font-size: clamp(15px, 1.5vw, 18px); color: var(--ink); margin-bottom: 34px; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 7b. Banner slider ---------- */
.slider {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface-3);
  box-shadow: var(--shadow-lg);
  touch-action: pan-y;
}
.slider__viewport { overflow: hidden; }
.slider__track {
  display: flex;
  transition: transform .6s cubic-bezier(.4, 0, .2, 1);
  will-change: transform;
}
.slider.is-dragging .slider__track { transition: none; }
.slide {
  position: relative;
  flex: 0 0 100%;
  aspect-ratio: 16/9;
  background: var(--surface-3);
  display: block;
  overflow: hidden;
}
.slide img, .slide video {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.slide__badge {
  position: absolute; left: 18px; top: 18px; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: var(--r-pill);
  background: rgba(28, 58, 17, .72);
  backdrop-filter: blur(6px);
  color: #fff; font-family: var(--font-head); font-weight: 700;
  font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
}
a.slide::after {
  content: "Xem chi tiết";
  position: absolute; right: 18px; bottom: 18px; z-index: 2;
  padding: 10px 22px; border-radius: var(--r-pill);
  background: var(--orange-500); color: #fff;
  font-family: var(--font-head); font-weight: 700; font-size: 12.5px;
  letter-spacing: .08em; text-transform: uppercase;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
  opacity: 0; transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease;
}
a.slide:hover::after, a.slide:focus-visible::after { opacity: 1; transform: none; }

.slider__nav {
  position: absolute; top: 50%; z-index: 3;
  width: 46px; height: 46px; margin-top: -23px;
  border: none; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, .9); color: var(--green-700);
  display: grid; place-items: center;
  box-shadow: var(--shadow);
  opacity: 0; transition: opacity .25s ease, background .18s ease, transform .18s ease;
}
.slider:hover .slider__nav, .slider:focus-within .slider__nav { opacity: 1; }
.slider__nav:hover { background: #fff; transform: scale(1.08); }
.slider__nav--prev { left: 16px; }
.slider__nav--next { right: 16px; }

.slider__dots {
  position: absolute; left: 0; right: 0; bottom: 16px; z-index: 3;
  display: flex; justify-content: center; gap: 9px;
}
.slider__dots button {
  width: 9px; height: 9px; padding: 0; border: none; border-radius: 50%;
  background: rgba(255, 255, 255, .55); cursor: pointer;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
  transition: width .28s ease, background .2s ease;
}
.slider__dots button[aria-current="true"] { width: 28px; border-radius: 5px; background: #fff; }

.slider__bar {
  position: absolute; left: 0; bottom: 0; z-index: 3;
  height: 3px; width: 100%; background: rgba(255, 255, 255, .25);
}
.slider__bar i {
  display: block; height: 100%; width: 0;
  background: var(--orange-500);
}
.slider.is-playing .slider__bar i { animation: sliderBar var(--slide-ms, 6000ms) linear forwards; }
@keyframes sliderBar { from { width: 0 } to { width: 100% } }

@media (max-width: 620px) {
  .slider { border-radius: var(--r); }
  .slider__nav { width: 38px; height: 38px; margin-top: -19px; opacity: 1; background: rgba(255,255,255,.82); }
  .slider__nav--prev { left: 8px; } .slider__nav--next { right: 8px; }
  .slide__badge { left: 10px; top: 10px; font-size: 10px; padding: 5px 11px; }
  a.slide::after { display: none; }
  .slider__dots { bottom: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .slider__track { transition: none; }
  .slider.is-playing .slider__bar i { animation: none; width: 100%; }
}

/* ---------- 8. Page header band ---------- */
.page-head {
  position: relative; overflow: hidden;
  background: linear-gradient(140deg, var(--green-800) 0%, var(--green-700) 60%, var(--green-600) 100%);
  color: #fff; text-align: center; padding-block: 62px 54px;
}
.page-head::after {
  content: ""; position: absolute; right: -120px; top: -140px;
  width: 420px; height: 420px; border-radius: 50%;
  background: rgba(255,255,255,.05);
}
.page-head h1 { color: #fff; font-size: clamp(26px, 4vw, 42px); margin-bottom: 10px; position: relative; }
.page-head p { color: rgba(255,255,255,.85); max-width: 700px; margin: 0 auto 16px; position: relative; }
.crumb { position: relative; font-size: 14px; color: rgba(255,255,255,.75); }
.crumb a:hover { color: #fff; text-decoration: underline; }
.crumb span { margin-inline: 8px; opacity: .6; }

/* ---------- 9. Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green-100); }
.card__media { aspect-ratio: 4/3; background: var(--surface-3); overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card__media img { transform: scale(1.05); }
.card__body { padding: 22px; text-align: center; flex: 1; display: flex; flex-direction: column; }
.card__icon {
  width: 62px; height: 62px; margin: -52px auto 16px; position: relative;
  border-radius: 18px; background: var(--green-50); border: 4px solid #fff;
  display: grid; place-items: center; color: var(--green-700); font-size: 25px;
  box-shadow: var(--shadow-sm);
}
.card__title { font-size: 17px; margin-bottom: 8px; }
.card__text { font-size: 14.5px; color: var(--muted); margin: 0; }

/* Feature cards (icon on top, no negative margin) */
.feature { text-align: center; padding: 34px 24px; }
.feature .card__icon { margin: 0 auto 18px; }

/* ---------- 10. Product card ---------- */
.p-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.p-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green-100); }
.p-card__media { aspect-ratio: 1/1; background: #fff; padding: 10px; overflow: hidden; }
.p-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform .45s ease; }
.p-card:hover .p-card__media img { transform: scale(1.06); }
.p-card__body { padding: 16px 18px 20px; border-top: 1px solid var(--line); flex: 1; display: flex; flex-direction: column; }
.p-card__cat {
  font-family: var(--font-head); font-size: 11px; font-weight: 700;
  letter-spacing: .13em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 6px;
}
.p-card__title {
  font-family: var(--font-head); font-weight: 700; font-size: 15.5px;
  color: var(--ink); line-height: 1.4; margin: 0 0 8px;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.p-card:hover .p-card__title { color: var(--green-700); }
.p-card__meta { font-size: 13px; color: var(--muted); margin-top: auto; padding-top: 8px; }

/* Filter pills */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.pill {
  padding: 10px 22px; border-radius: var(--r-pill);
  border: 1px solid var(--line); background: #fff;
  font-family: var(--font-head); font-weight: 700; font-size: 13.5px;
  color: var(--body); cursor: pointer;
  transition: all .18s ease;
}
.pill:hover { border-color: var(--green-500); color: var(--green-700); }
.pill.is-active { background: var(--green-700); border-color: var(--green-700); color: #fff; }
.filter-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  padding-block: 22px; border-bottom: 1px solid var(--line);
}
.filter-count { font-size: 14px; color: var(--muted); }
.search-box { position: relative; flex: 1 1 260px; max-width: 340px; }
.search-box input {
  width: 100%; padding: 12px 18px 12px 42px;
  border: 1px solid var(--line); border-radius: var(--r-pill); background: #fff;
  font-size: 14.5px;
}
.search-box input:focus { border-color: var(--green-500); outline: none; }
.search-box svg { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); }

/* ---------- 11. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; text-align: center; position: relative; }
.stat__icon { font-size: 26px; margin-bottom: 10px; opacity: .85; }
.stat__num { font-family: var(--font-head); font-size: clamp(32px, 4.4vw, 50px); font-weight: 700; line-height: 1; color: #fff; }
.stat__label { font-size: 14px; color: rgba(255,255,255,.8); margin-top: 8px; }

/* ---------- 12. Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; text-align: center; }
.step__num {
  width: 62px; height: 62px; margin: 0 auto 14px;
  border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-head); font-weight: 700; font-size: 24px; color: #fff;
  background: var(--green-700); box-shadow: 0 8px 20px rgba(46,90,28,.25);
}
.step:nth-child(even) .step__num { background: var(--orange-500); box-shadow: 0 8px 20px rgba(217,105,31,.25); }
.step h4 { font-size: 15px; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); margin: 0; }

/* ---------- 13. Split (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split__media img { border-radius: var(--r-lg); box-shadow: var(--shadow-lg); width: 100%; }
.split h2 { font-size: clamp(24px, 3vw, 34px); color: var(--green-700); }
/* danh sách có dấu tích — không áp cho .info-list và .contact-card__notes */
.split ul:not(.info-list):not(.contact-card__notes) { list-style: none; padding: 0; margin-top: 20px; }
.split ul:not(.info-list):not(.contact-card__notes) > li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.split ul:not(.info-list):not(.contact-card__notes) > li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green-50); color: var(--green-700);
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
}

/* ---------- 14. Vision / Mission ---------- */
.vm { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.vm__card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 38px 32px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden;
}
.vm__card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--green-700);
}
.vm__card:nth-child(2)::before { background: var(--orange-500); }
.vm__ico {
  width: 58px; height: 58px; border-radius: 16px; background: var(--green-50);
  display: grid; place-items: center; margin-bottom: 18px; font-size: 24px; color: var(--green-700);
}
.vm__card:nth-child(2) .vm__ico { background: var(--orange-50); color: var(--orange-600); }
.vm__card h3 { font-size: 20px; letter-spacing: .05em; text-transform: uppercase; color: var(--green-700); }
.vm__card:nth-child(2) h3 { color: var(--orange-600); }

/* ---------- 15. CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden; text-align: center;
  background: linear-gradient(120deg, var(--orange-500) 0%, var(--orange-400) 100%);
  color: #fff; padding-block: 72px;
}
.cta-band::before {
  content: ""; position: absolute; left: -140px; top: -80px;
  width: 420px; height: 420px; border-radius: 50%; background: rgba(255,255,255,.08);
}
.cta-band h2 { color: #fff; font-size: clamp(24px, 3.4vw, 38px); margin-bottom: 14px; position: relative; }
.cta-band p { color: rgba(255,255,255,.92); max-width: 640px; margin: 0 auto 28px; position: relative; }
.cta-band .btn { position: relative; }

/* ---------- 16. Testimonials ---------- */
.quote {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 34px 30px; box-shadow: var(--shadow-sm); position: relative;
}
.quote::before {
  content: "\201C"; position: absolute; top: 6px; right: 24px;
  font-family: Georgia, serif; font-size: 84px; line-height: 1; color: var(--green-100);
}
.quote p { font-style: italic; color: var(--body); position: relative; }
.quote footer { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.quote .avatar {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  background: var(--green-700); color: #fff;
  display: grid; place-items: center; font-family: var(--font-head); font-weight: 700;
}
.quote b { display: block; color: var(--ink); font-family: var(--font-head); }
.quote small { color: var(--muted); }

/* ---------- 17. Post card ---------- */
.post-card { display: flex; flex-direction: column; }
.post-card .card__media { aspect-ratio: 16/9; }
.post-card .card__body { text-align: left; }
.post-card h3 { font-size: 18px; line-height: 1.4; }
.post-card h3 a:hover { color: var(--green-700); }
.post-date { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.read-more {
  margin-top: auto; padding-top: 14px;
  font-family: var(--font-head); font-weight: 700; font-size: 13.5px;
  color: var(--orange-600); letter-spacing: .04em;
}
.read-more:hover { text-decoration: underline; }

/* ---------- 18. Product detail ---------- */
.pd { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: start; }
.pd__gallery { position: sticky; top: calc(var(--header-h) + 24px); }
.pd__main {
  border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff;
  padding: 18px; box-shadow: var(--shadow-sm);
}
.pd__main img { width: 100%; aspect-ratio: 1/1; object-fit: contain; }
.pd__thumbs { display: flex; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.pd__thumbs button {
  width: 76px; height: 76px; padding: 6px; background: #fff; cursor: pointer;
  border: 1px solid var(--line); border-radius: 10px;
}
.pd__thumbs button.is-active { border-color: var(--green-700); box-shadow: 0 0 0 2px var(--green-100); }
.pd__thumbs img { width: 100%; height: 100%; object-fit: contain; }

.pd__cat {
  display: inline-block; margin-bottom: 12px; padding: 5px 14px; border-radius: var(--r-pill);
  background: var(--green-50); color: var(--green-700);
  font-family: var(--font-head); font-weight: 700; font-size: 12px;
  letter-spacing: .1em; text-transform: uppercase;
}
.pd h1 { font-size: clamp(24px, 3.2vw, 36px); color: var(--ink); }
.pd__lead { font-size: 17px; color: var(--body); }
.spec-table { margin: 24px 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.spec-table tr + tr { border-top: 1px solid var(--line); }
.spec-table th, .spec-table td { padding: 13px 18px; text-align: left; vertical-align: top; font-size: 14.5px; }
.spec-table th { width: 190px; background: var(--surface-2); color: var(--ink); font-family: var(--font-head); font-weight: 700; }
.pd__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.prose h2 { font-size: 24px; color: var(--green-700); margin-top: 1.6em; }
.prose h3 {
  font-size: 19px; color: var(--green-700); margin-top: 1.5em;
  padding-left: 14px; border-left: 4px solid var(--green-500);
}
.prose h4 { font-size: 17px; margin-top: 1.3em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: 6px; }
.prose table { margin: 18px 0; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; font-size: 14.5px; }
.prose th, .prose td { padding: 11px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.prose thead th { background: var(--green-700); color: #fff; font-family: var(--font-head); border-bottom: none; }
.prose tbody tr:nth-child(even) { background: var(--surface-2); }
.prose blockquote {
  margin: 18px 0; padding: 16px 22px; border-left: 4px solid var(--orange-500);
  background: var(--orange-50); border-radius: 0 var(--r) var(--r) 0; color: var(--ink);
}
.prose img { display:block; width:100%; height:auto; border-radius: var(--r); margin: 18px 0; }
.prose a { color: var(--green-700); text-decoration: underline; }

/* ---------- 19. Contact / form ---------- */
.form-note { font-size: 13px; color: var(--muted); margin-top: 12px; }

.info-list { list-style: none; padding: 0; margin: 0; }
.info-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.info-list li:last-child { border-bottom: none; }
.info-list .ico {
  width: 42px; height: 42px; flex: none; border-radius: 12px;
  background: var(--green-50); color: var(--green-700); display: grid; place-items: center; font-size: 18px;
}
.info-list b { display: block; font-family: var(--font-head); color: var(--ink); font-size: 14px; }
.info-list span { font-size: 15px; }

/* ---------- 20. Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.gallery img { border-radius: var(--r); box-shadow: var(--shadow-sm); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.gallery > *:nth-child(even) img { transform: translateY(14px); }

/* ---------- 21. Category tiles ---------- */
.cat-tile {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 16/9;                /* ảnh hiển thị đủ khung 16:9, không cắt */
  display: block; box-shadow: var(--shadow-sm);
  transition: transform .22s ease, box-shadow .22s ease;
}
.cat-tile:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.cat-tile:hover img { transform: scale(1.05); }
/* nhãn chồng lên ảnh đã ẩn — tên danh mục nằm sẵn trong ảnh banner */
.cat-tile__label { display: none; }

/* ---------- 22. Footer ---------- */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.72); padding-top: 62px; font-size: 15px; }
.site-footer h4 {
  color: #fff; font-size: 15px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 20px;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 46px; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.footer-logo { height: 58px; margin-bottom: 18px; filter: brightness(0) invert(1); opacity: .95; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding-block: 22px;
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: 13.5px;
}
.social { display: flex; gap: 10px; margin-top: 18px; }
.social a {
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(255,255,255,.1); color: #fff; transition: background .18s ease, transform .18s ease;
}
.social a:hover { background: var(--orange-500); transform: translateY(-2px); }

/* ---------- 23. Floating buttons ---------- */
.floats { position: fixed; right: 16px; bottom: 22px; z-index: 70; display: flex; flex-direction: column; gap: 12px; }
.floats a, .floats button {
  width: 52px; height: 52px; border: none; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 12px;
  box-shadow: 0 8px 22px rgba(0,0,0,.22); transition: transform .18s ease;
}
.floats a:hover, .floats button:hover { transform: scale(1.08); }
.f-zalo { background: #0068ff; font-family: var(--font-head); }
.f-fb { background: #1877f2; }
.f-tiktok { background: #111; }
.f-tel { background: #e03e2d; }
.f-top { background: var(--green-700); opacity: 0; pointer-events: none; transition: opacity .25s ease, transform .18s ease; }
.f-top.is-on { opacity: 1; pointer-events: auto; }

/* ---------- 24. Utilities & animation ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-24 { margin-top: 24px; } .mt-40 { margin-top: 40px; }
.lead { font-size: 17.5px; color: var(--body); }
.badge {
  display: inline-block; padding: 5px 14px; border-radius: var(--r-pill);
  background: var(--green-50); color: var(--green-700);
  font-family: var(--font-head); font-weight: 700; font-size: 12px;
  letter-spacing: .1em; text-transform: uppercase;
}
.empty-state { text-align: center; padding: 70px 20px; color: var(--muted); }

/* ---------- 25. Responsive ---------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 960px) {
  :root { --section-y: 62px; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 8px 20px 20px; box-shadow: var(--shadow);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav-toggle { display: flex; }
  .header-cta span { display: none; }
  .header-cta { padding: 11px 14px; }
  .split, .pd, .vm, .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 34px; }
  .pd__gallery { position: static; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .sec-title::before, .sec-title::after { width: 34px; }
}
@media (max-width: 620px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .grid-3 { grid-template-columns: 1fr; gap: 18px; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .gallery > *:nth-child(even) img { transform: none; }
  .sec-title { gap: 12px; font-size: 21px; }
  .hero__inner { padding-block: 62px; }
  .floats a, .floats button { width: 44px; height: 44px; }
  .floats { gap: 10px; bottom: 16px; }
  .p-card__body { padding: 12px 12px 16px; }
  .p-card__title { font-size: 14px; -webkit-line-clamp: 4; }
  .p-card__meta { display: none; }
  .filter-bar { padding-block: 16px; }
  .btn { padding: 13px 24px; font-size: 13px; }
}
@media (max-width: 400px) {
  .steps { grid-template-columns: 1fr; }
}
@media print {
  .site-header, .floats, .cta-band, .site-footer { display: none; }
}

/* ---------- 26. Slider dùng làm hero (trang chủ) ---------- */
.is-hero { padding-top: 46px; }
.is-hero .sec-head { margin-bottom: 34px; }
.is-hero .hero__eyebrow { margin-bottom: 10px; }
.is-hero .hero__actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 34px;
}
@media (max-width: 620px) {
  .is-hero { padding-top: 28px; }
  .is-hero .hero__actions { margin-top: 24px; }
}

/* ==========================================================================
   27. MOTION SYSTEM
   Mọi hiệu ứng chỉ dùng transform + opacity (chạy trên GPU, mượt cả mobile).
   Tắt hoàn toàn khi người dùng bật "giảm chuyển động".
   ========================================================================== */

:root {
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);
  --anim-dur: .68s;
}

/* --- 27.1 Trang hiện dần khi tải xong --- */
html:not(.is-ready) body { opacity: 0; }
body { opacity: 1; transition: opacity .4s ease; }

/* --- 27.2 Reveal khi cuộn tới --- */
[data-anim] {
  opacity: 0;
  transition: opacity var(--anim-dur) var(--ease-out),
              transform var(--anim-dur) var(--ease-out),
              filter var(--anim-dur) var(--ease-out);
  transition-delay: var(--d, 0ms);
}
[data-anim="up"]    { transform: translate3d(0, 30px, 0); }
[data-anim="down"]  { transform: translate3d(0, -26px, 0); }
[data-anim="left"]  { transform: translate3d(-38px, 0, 0); }
[data-anim="right"] { transform: translate3d(38px, 0, 0); }
[data-anim="zoom"]  { transform: scale3d(.93, .93, 1); }
[data-anim="rise"]  { transform: translate3d(0, 44px, 0) scale3d(.97, .97, 1); }
[data-anim="blur"]  { filter: blur(8px); transform: translate3d(0, 18px, 0); }
[data-anim].is-in   { opacity: 1; transform: none; filter: none; }

/* --- 27.3 Stagger bằng CSS thuần (không cần JS đếm) --- */
.grid > [data-anim],
.steps > [data-anim],
.gallery > [data-anim],
.stats > [data-anim],
.vm > [data-anim],
.info-list > [data-anim],
.footer-grid > [data-anim] { --d: 0ms; }
.grid > [data-anim]:nth-child(2), .steps > [data-anim]:nth-child(2),
.gallery > [data-anim]:nth-child(2), .stats > [data-anim]:nth-child(2),
.vm > [data-anim]:nth-child(2), .info-list > [data-anim]:nth-child(2),
.footer-grid > [data-anim]:nth-child(2) { --d: 90ms; }
.grid > [data-anim]:nth-child(3), .steps > [data-anim]:nth-child(3),
.gallery > [data-anim]:nth-child(3), .stats > [data-anim]:nth-child(3),
.info-list > [data-anim]:nth-child(3),
.footer-grid > [data-anim]:nth-child(3) { --d: 180ms; }
.grid > [data-anim]:nth-child(4), .steps > [data-anim]:nth-child(4),
.gallery > [data-anim]:nth-child(4), .stats > [data-anim]:nth-child(4),
.info-list > [data-anim]:nth-child(4),
.footer-grid > [data-anim]:nth-child(4) { --d: 270ms; }
.grid > [data-anim]:nth-child(5), .steps > [data-anim]:nth-child(5),
.info-list > [data-anim]:nth-child(5) { --d: 360ms; }
.grid > [data-anim]:nth-child(6) { --d: 90ms; }
.grid > [data-anim]:nth-child(7) { --d: 180ms; }
.grid > [data-anim]:nth-child(8) { --d: 270ms; }
.grid > [data-anim]:nth-child(n+9) { --d: 60ms; }

/* --- 27.4 Ảnh hiện mượt khi tải xong --- */
img.is-loading { opacity: 0; transform: scale(1.02); }
img.is-loaded  { animation: imgIn .6s var(--ease-out) both; }
@keyframes imgIn { from { opacity: 0; transform: scale(1.03) } to { opacity: 1; transform: none } }

/* --- 27.5 Header co lại khi cuộn --- */
.site-header { transition: box-shadow .25s ease, background .25s ease; }
.brand img { transition: height .28s var(--ease-soft); }
.site-header.is-stuck .brand img { height: 42px; }
.site-header.is-stuck .header-inner { min-height: 62px; }
.header-inner { transition: min-height .28s var(--ease-soft); }
.header-cta { transition: background .18s ease, transform .18s ease, box-shadow .18s ease; }
.header-cta:active { transform: scale(.96); }

/* --- 27.6 Nút bấm: ánh sáng lướt qua + phản hồi khi nhấn --- */
.btn { position: relative; overflow: hidden; isolation: isolate; }
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(115deg, transparent 25%, rgba(255,255,255,.32) 48%, transparent 72%);
  transform: translateX(-120%);
  transition: transform .65s var(--ease-out);
}
.btn:hover::before { transform: translateX(120%); }
.btn:active { transform: translateY(0) scale(.97); }
.btn--outline::before { background: linear-gradient(115deg, transparent 25%, rgba(46,90,28,.14) 48%, transparent 72%); }

/* --- 27.7 Nav: gạch chân + nút hamburger biến thành dấu X --- */
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  transition: transform .3s var(--ease-soft), opacity .2s ease, background .2s ease;
}
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span::after  { transform: translateY(-6px) rotate(-45deg); }

/* --- 27.8 Card: nâng lên + quầng sáng theo con trỏ --- */
.card, .p-card, .vm__card, .quote, .cat-tile, .contact-card {
  transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s ease;
}
.p-card, .card, .vm__card, .quote { position: relative; }
.p-card::after, .card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 0%), rgba(77,138,48,.10), transparent 65%);
  opacity: 0; transition: opacity .3s ease;
}
.p-card:hover::after, .card:hover::after { opacity: 1; }
.p-card:active { transform: translateY(-2px) scale(.995); }

/* --- 27.9 Ô danh mục --- */
.cat-tile img { transition: transform .6s var(--ease-out); }
.cat-tile:hover img { transform: scale(1.06); }

/* --- 27.10 Lọc sản phẩm: thẻ bay vào khi đổi bộ lọc --- */
.p-card.is-filtering { animation: cardIn .45s var(--ease-out) both; animation-delay: var(--fd, 0ms); }
@keyframes cardIn { from { opacity: 0; transform: translate3d(0, 16px, 0) scale(.97) } to { opacity: 1; transform: none } }
.pill { transition: background .2s ease, border-color .2s ease, color .2s ease, transform .18s var(--ease-out); }
.pill:active { transform: scale(.95); }

/* --- 27.11 Gallery ảnh sản phẩm --- */
.pd__main img { transition: opacity .18s ease, transform .35s var(--ease-out); }
.pd__main img.is-swapping { opacity: 0; transform: scale(.97); }
.pd__thumbs button { transition: border-color .2s ease, box-shadow .2s ease, transform .2s var(--ease-out); }
.pd__thumbs button:hover { transform: translateY(-3px); }

/* --- 27.13 Nút nổi + lên đầu trang --- */
.floats a, .floats button {
  transition: transform .22s var(--ease-out), box-shadow .22s ease, opacity .25s ease;
  animation: floatIn .5s var(--ease-out) both;
}
.floats a:nth-child(1) { animation-delay: .15s }
.floats a:nth-child(2) { animation-delay: .25s }
.floats a:nth-child(3) { animation-delay: .35s }
.floats a:nth-child(4) { animation-delay: .45s }
@keyframes floatIn { from { opacity: 0; transform: translate3d(0, 24px, 0) scale(.8) } to { opacity: 1; transform: none } }
.floats a:hover, .floats button:hover { transform: translateY(-3px) scale(1.08); }
.floats a:active, .floats button:active { transform: scale(.94); }
.f-top { transform: translateY(14px); }
.f-top.is-on { transform: none; }
.f-zalo { animation: pulseRing 2.6s ease-out infinite 1.2s; }
@keyframes pulseRing {
  0% { box-shadow: 0 8px 22px rgba(0,0,0,.22), 0 0 0 0 rgba(0,104,255,.5) }
  70% { box-shadow: 0 8px 22px rgba(0,0,0,.22), 0 0 0 14px rgba(0,104,255,0) }
  100% { box-shadow: 0 8px 22px rgba(0,0,0,.22), 0 0 0 0 rgba(0,104,255,0) }
}

/* --- 27.14 Tiêu đề section: 2 gạch ngang chạy ra --- */
.sec-title::before, .sec-title::after {
  transform: scaleX(0); transform-origin: right;
  transition: transform .7s var(--ease-out) .12s;
}
.sec-title::after { transform-origin: left; }
[data-anim].is-in .sec-title::before,
[data-anim].is-in .sec-title::after,
.sec-head.is-in .sec-title::before,
.sec-head.is-in .sec-title::after { transform: scaleX(1); }

/* --- 27.15 Liên kết footer + danh sách --- */
.site-footer a, .info-list a, .read-more { transition: color .2s ease, transform .2s var(--ease-out); }
.site-footer li a:hover { transform: translateX(4px); display: inline-block; }
.read-more:hover { transform: translateX(4px); display: inline-block; }
.social a { transition: background .2s ease, transform .22s var(--ease-out); }

/* --- 27.16 Dải CTA cam: vòng tròn trôi nhẹ --- */
.cta-band::before { animation: driftY 9s ease-in-out infinite alternate; }
.page-head::after { animation: driftY 11s ease-in-out infinite alternate-reverse; }
@keyframes driftY { from { transform: translate3d(0, 0, 0) } to { transform: translate3d(0, 26px, 0) } }

/* --- 27.17 Menu mobile: các mục lần lượt trượt vào --- */
@media (max-width: 960px) {
  .nav.is-open a { animation: navIn .34s var(--ease-out) both; }
  .nav.is-open a:nth-child(1) { animation-delay: .03s }
  .nav.is-open a:nth-child(2) { animation-delay: .07s }
  .nav.is-open a:nth-child(3) { animation-delay: .11s }
  .nav.is-open a:nth-child(4) { animation-delay: .15s }
  .nav.is-open a:nth-child(5) { animation-delay: .19s }
  @keyframes navIn { from { opacity: 0; transform: translate3d(-16px, 0, 0) } to { opacity: 1; transform: none } }
  body.nav-open { overflow: hidden; }
}

/* --- 27.18 Mobile: rút ngắn quãng đường và thời gian cho nhẹ máy --- */
@media (max-width: 620px) {
  :root { --anim-dur: .55s; }
  [data-anim="up"]    { transform: translate3d(0, 20px, 0); }
  [data-anim="left"]  { transform: translate3d(-20px, 0, 0); }
  [data-anim="right"] { transform: translate3d(20px, 0, 0); }
  [data-anim="rise"]  { transform: translate3d(0, 26px, 0) scale3d(.98, .98, 1); }
  [data-anim="blur"]  { filter: blur(5px); }
  .grid > [data-anim]:nth-child(2) { --d: 70ms }
  .grid > [data-anim]:nth-child(3) { --d: 140ms }
  .grid > [data-anim]:nth-child(4) { --d: 70ms }
  .grid > [data-anim]:nth-child(n+5) { --d: 0ms }
  .p-card::after, .card::after { display: none; }   /* bỏ quầng sáng, mobile không có chuột */
}

/* --- 27.19 Tôn trọng "giảm chuyển động" --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-anim] { opacity: 1 !important; transform: none !important; filter: none !important; }
  html:not(.is-ready) body { opacity: 1; }
  .f-zalo { animation: none; }
}

/* ==========================================================================
   28. KHỐI LIÊN HỆ TRỰC TIẾP (thay cho form điền tay)
   ========================================================================== */
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 38px 34px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: ""; position: absolute; right: -70px; top: -70px;
  width: 200px; height: 200px; border-radius: 50%;
  background: var(--green-50);
  pointer-events: none;
}
.contact-card > * { position: relative; }
.contact-card h3 {
  font-size: clamp(20px, 2.4vw, 26px);
  color: var(--green-700);
  margin: 14px 0 10px;
}
.contact-card > p { color: var(--body); margin-bottom: 22px; }

/* dòng hotline bấm được */
.contact-card__hotline {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 20px; margin-bottom: 20px;
  border: 1px dashed var(--green-100);
  border-radius: var(--r);
  background: var(--green-50);
  transition: transform .22s var(--ease-out), border-color .22s ease, background .22s ease;
}
.contact-card__hotline:hover {
  transform: translateY(-2px);
  border-style: solid;
  border-color: var(--green-500);
  background: #fff;
}
.contact-card__hotline .ico {
  width: 48px; height: 48px; flex: none; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--green-700); color: #fff;
  box-shadow: 0 6px 16px rgba(46, 90, 28, .26);
}
.contact-card__hotline .txt { display: flex; flex-direction: column; line-height: 1.3; }
.contact-card__hotline small {
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.contact-card__hotline strong {
  font-family: var(--font-head); font-size: clamp(22px, 3vw, 28px);
  color: var(--green-700); letter-spacing: .01em;
}

.contact-card__actions { display: grid; gap: 12px; }
.contact-card__notes { list-style: none; padding: 0; margin: 24px 0 0; }
.contact-card__notes li {
  position: relative; padding-left: 28px; margin-bottom: 9px;
  font-size: 14.5px; color: var(--muted);
}
.contact-card__notes li:last-child { margin-bottom: 0; }
.contact-card__notes li::before {
  content: "✓"; position: absolute; left: 0; top: 1px;
  width: 19px; height: 19px; border-radius: 50%;
  background: var(--green-50); color: var(--green-700);
  display: grid; place-items: center; font-size: 11px; font-weight: 700;
}

/* nút Zalo + nút trắng trên dải cam */
.btn--zalo { background: #0068ff; color: #fff; box-shadow: 0 8px 22px rgba(0, 104, 255, .3); }
.btn--zalo:hover { background: #0058d6; box-shadow: 0 12px 28px rgba(0, 104, 255, .36); }
.btn--white { background: #fff; color: var(--orange-600); box-shadow: 0 8px 22px rgba(0, 0, 0, .14); }
.btn--white:hover { background: #fff; color: var(--orange-700); box-shadow: 0 12px 30px rgba(0, 0, 0, .2); }
.btn--white::before { background: linear-gradient(115deg, transparent 25%, rgba(217,105,31,.14) 48%, transparent 72%); }
.btn svg { flex: none; }

.cta-band__actions {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative;
}

@media (max-width: 620px) {
  .contact-card { padding: 26px 20px; }
  .contact-card__hotline { padding: 14px 16px; gap: 12px; }
  .contact-card__hotline .ico { width: 42px; height: 42px; }
  .cta-band__actions .btn { width: 100%; max-width: 320px; }
}

/* màn hình thấp: 5 nút nổi dễ tràn -> thu gọn thêm */
@media (max-height: 680px) {
  .floats a, .floats button { width: 40px; height: 40px; }
  .floats { gap: 8px; bottom: 12px; }
}