/* ==========================================================================
   CAO LÊN VIỆT NAM — Brand website styles
   Bảng màu lấy từ logo: đỏ tươi + vàng + trắng
   ========================================================================== */

:root {
  --red:        #E60012;   /* Cao Lên Red (bộ nhận diện) */
  --red-bright: #FF1A2C;
  --red-dark:   #B8000E;
  --red-deep:   #820009;
  --yellow:     #FFE600;   /* Growth Yellow (bộ nhận diện) */
  --yellow-deep:#F5C400;
  --ink:        #17181A;
  --ink-soft:   #43474D;
  --cream:      #FFF8F4;
  --cream-2:    #FFF0E6;
  --line:       #ECE2D6;
  --white:      #FFFFFF;
  --shadow:     0 18px 45px -22px rgba(130, 0, 9, .45);
  --shadow-sm:  0 8px 24px -14px rgba(0,0,0,.32);
  --radius:     18px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container { width: min(1180px, 92vw); margin-inline: auto; }

/* ---------- Typography helpers ---------- */
.font-black  { font-weight: 900; }
.font-extra  { font-weight: 800; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-weight: 800; font-size: .78rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--red);
}
.eyebrow::before { content: ""; width: 26px; height: 3px; border-radius: 3px; background: var(--yellow-deep); }
.eyebrow.on-red { color: var(--yellow); }
.eyebrow.on-red::before { background: var(--yellow); }

.section-title {
  font-weight: 900; line-height: 1.12; letter-spacing: -.01em;
  font-size: clamp(1.7rem, 1.1rem + 2.4vw, 2.8rem);
  margin: .35rem 0 .6rem;
}
.section-sub { color: var(--ink-soft); max-width: 60ch; font-size: 1.02rem; }

.text-red { color: var(--red); }
.text-yellow { color: var(--yellow-deep); }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--red); --btn-fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .85rem 1.5rem; border-radius: 999px; font-weight: 800; font-size: .98rem; white-space: nowrap;
  background: var(--btn-bg); color: var(--btn-fg); border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s;
  box-shadow: 0 12px 26px -14px rgba(228,20,27,.75);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(228,20,27,.85); }
.btn-yellow { --btn-bg: var(--yellow); --btn-fg: #4a2c00; box-shadow: 0 12px 26px -14px rgba(244,180,0,.8); }
.btn-ghost  { --btn-bg: transparent; --btn-fg: var(--ink); border-color: var(--line); box-shadow: none; }
.btn-ghost:hover { border-color: var(--red); color: var(--red); }
.btn-white  { --btn-bg: #fff; --btn-fg: var(--red-dark); }
.btn-lg { padding: 1rem 1.9rem; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(26,26,28,.92); backdrop-filter: blur(10px);
  border-bottom: 3px solid var(--red);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: .7rem 0; color: #fff;
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand__logo {
  width: 56px; height: 56px; border-radius: 13px; object-fit: cover;
  box-shadow: 0 6px 16px -8px rgba(0,0,0,.6);
}
.brand__name { display: flex; flex-direction: column; line-height: 1.02; white-space: nowrap; }
.brand__name b { font-weight: 900; font-size: 1.16rem; letter-spacing: .02em; color: #fff; white-space: nowrap; }
.brand__name span { font-size: .72rem; color: var(--yellow); font-weight: 800; letter-spacing: .14em; white-space: nowrap; }

.nav__links { display: flex; align-items: center; gap: .15rem; }
.nav__links a {
  padding: .5rem .7rem; border-radius: 999px; font-weight: 700; font-size: .92rem;
  color: #f3e9e0; transition: color .15s, background .15s; position: relative; white-space: nowrap;
}
.nav__links a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav__links a.active { color: var(--yellow); }
.nav__links a.active::after {
  content: ""; position: absolute; left: .85rem; right: .85rem; bottom: .28rem;
  height: 2px; border-radius: 2px; background: var(--yellow);
}
.nav__cta { display: flex; align-items: center; gap: .5rem; }
.nav__toggle {
  display: none; background: none; border: 0; color: #fff; cursor: pointer;
  width: 44px; height: 44px; border-radius: 10px;
}
.nav__toggle svg { width: 26px; height: 26px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 500px at 85% -10%, rgba(255,210,0,.28), transparent 60%),
    linear-gradient(135deg, var(--red-deep), var(--red) 55%, var(--red-bright));
  color: #fff;
}
.hero__grid {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 2rem; align-items: center;
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
}
.hero h1 {
  font-weight: 900; letter-spacing: -.02em; line-height: 1.06; margin: .6rem 0 1rem;
  font-size: clamp(2.2rem, 1.2rem + 4vw, 3.9rem);
}
.hero h1 .hl { color: var(--yellow); }
.hero p.lead { font-size: clamp(1.02rem, .95rem + .5vw, 1.22rem); color: #ffe9e6; max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.6rem; }
.hero__stats { display: flex; gap: 1.8rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero__stats .s b { display: block; font-size: 1.9rem; font-weight: 900; color: var(--yellow); line-height: 1; }
.hero__stats .s span { font-size: .82rem; color: #ffd9d5; font-weight: 600; }
.hero__art {
  position: relative; aspect-ratio: 1/1; border-radius: 28px;
  background: radial-gradient(circle at 50% 40%, #fff, #ffe6a8 70%, #ffcf5a);
  display: grid; place-items: center; box-shadow: 0 40px 80px -40px rgba(0,0,0,.6);
  border: 6px solid rgba(255,255,255,.5);
}
.hero__art img { width: 72%; }

/* ---------- 2 dược sĩ cắt nền trong hero (đứng thẳng trên nền đỏ) ---------- */
.hero__art.founders {
  background: none; border: 0; box-shadow: none; padding: 0; aspect-ratio: auto;
  display: flex; align-items: flex-end; justify-content: center; gap: 1.4rem;
  margin-top: -1rem;
}
.fh-card {
  background: none; border: 0; box-shadow: none;
  display: flex; flex-direction: column; align-items: center; flex: 1; min-width: 0;
}
.fh-photo {
  position: relative; width: 100%; display: flex; justify-content: center;
  background: none; box-shadow: none; border-radius: 0;
}
.fh-photo img {
  width: 100%; max-width: 100%; height: auto; object-fit: contain;
  /* mờ tan phần dưới vào nền đỏ, giấu đường cắt áo + chữ ký trên ảnh */
  -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent 92%);
  mask-image: linear-gradient(to bottom, #000 70%, transparent 92%);
  filter: drop-shadow(0 12px 16px rgba(0,0,0,.20));
}
.fh-photo .fallback {
  display: none; /* chỉ hiện khi ảnh lỗi (bật qua onerror) */
  color: var(--yellow); font-weight: 900; font-size: 2.4rem; letter-spacing: .05em;
  flex-direction: column; align-items: center; gap: .3rem; text-align: center;
  aspect-ratio: 3/4; justify-content: center; width: 100%;
  background: linear-gradient(135deg, var(--red-dark), var(--red)); border-radius: 18px;
}
.fh-photo .fallback small { font-size: .6rem; font-weight: 700; color: #ffd9d5; letter-spacing: .1em; text-transform: uppercase; }
.fh-name { padding: .3rem .4rem 0; text-align: center; }
.fh-name b { display: block; font-weight: 900; font-size: 1.05rem; color: #fff; line-height: 1.1; }
.fh-name span { font-size: .72rem; color: var(--yellow); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
@media (max-width: 480px) { .hero__art.founders { padding: 1rem; gap: .7rem; } .fh-name b { font-size: .9rem; } }

.hero__badge {
  position: absolute; background: #fff; color: var(--ink); border-radius: 16px;
  padding: .7rem .9rem; box-shadow: var(--shadow-sm); font-weight: 700; font-size: .85rem;
  display: flex; align-items: center; gap: .55rem;
}
.hero__badge .dot { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; font-size: 1.1rem; }
.hero__badge.b1 { top: 8%; left: -4%; }
.hero__badge.b2 { bottom: 10%; right: -5%; }

/* ---------- Marquee / trust strip ---------- */
.trust {
  background: var(--ink); color: #f0e6da; padding: .9rem 0;
  font-weight: 700; font-size: .9rem;
}
.trust .container { display: flex; flex-wrap: wrap; gap: 1.4rem 2.2rem; align-items: center; justify-content: center; }
.trust b { color: var(--yellow); }

/* ---------- Sections ---------- */
section.block { padding: clamp(3rem, 6vw, 5.5rem) 0; }
.block.alt { background: var(--white); }
.block.cream2 { background: var(--cream-2); }
.head-center { text-align: center; margin-inline: auto; }
.head-center .section-sub { margin-inline: auto; }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 1.3rem; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ic {
  width: 54px; height: 54px; border-radius: 14px; display: grid; place-items: center;
  font-size: 1.5rem; margin-bottom: .9rem;
  background: linear-gradient(135deg, #fff2cf, #ffdf87); color: var(--red-dark);
}
.card h3 { margin: .2rem 0 .5rem; font-weight: 800; font-size: 1.16rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: .96rem; }

/* value card on red */
.vgrid .card { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #fff; box-shadow: none; }
.vgrid .card h3 { color: #fff; }
.vgrid .card p { color: #ffe1dd; }
.vgrid .card .ic { background: rgba(255,255,255,.15); color: var(--yellow); }

/* ---------- Founders ---------- */
.founder {
  display: grid; grid-template-columns: 150px 1fr; gap: 1.3rem; align-items: start;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow-sm);
}
.founder__ava {
  width: 150px; height: 150px; border-radius: 18px; object-fit: cover;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  display: grid; place-items: center; color: var(--yellow); font-size: 3rem; font-weight: 900;
}
.founder h3 { margin: 0; font-size: 1.35rem; font-weight: 900; }
.founder .role { color: var(--red); font-weight: 800; font-size: .9rem; letter-spacing: .04em; text-transform: uppercase; }
.founder .fb {
  display: inline-flex; align-items: center; gap: .4rem; margin-top: .6rem;
  font-weight: 700; font-size: .88rem; color: var(--red-dark);
}

/* ---------- Product cards ---------- */
.product { overflow: hidden; padding: 0; }
.product__img {
  aspect-ratio: 4/3; display: grid; place-items: center; font-size: 3.4rem;
  background: linear-gradient(135deg, #fff3d1, #ffd873);
}
.product__body { padding: 1.3rem 1.4rem 1.5rem; }
.product__tag { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--red); background: #ffe1e0; padding: .25rem .6rem; border-radius: 999px; }
.product h3 { margin: .6rem 0 .4rem; font-size: 1.2rem; font-weight: 900; }
.product ul { margin: .6rem 0 1rem; padding-left: 1.1rem; color: var(--ink-soft); font-size: .93rem; }
.product ul li { margin-bottom: .25rem; }

/* ---------- Steps / roadmap ---------- */
.steps { counter-reset: step; display: grid; gap: 1.1rem; }
.steps .step { display: grid; grid-template-columns: 56px 1fr; gap: 1rem; align-items: start; }
.steps .step .n {
  counter-increment: step; width: 56px; height: 56px; border-radius: 16px;
  display: grid; place-items: center; font-weight: 900; font-size: 1.4rem; color: #fff;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
}
.steps .step .n::before { content: counter(step); }
.steps .step h4 { margin: .35rem 0 .3rem; font-weight: 800; }
.steps .step p { margin: 0; color: var(--ink-soft); }

/* ---------- Blog cards ---------- */
.post { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.post__cover { aspect-ratio: 16/9; display: grid; place-items: center; font-size: 2.6rem; background: linear-gradient(135deg, var(--red), var(--red-dark)); color: var(--yellow); }
.post__body { padding: 1.2rem 1.3rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.post__meta { font-size: .78rem; color: #9a8b7b; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.post h3 { margin: .4rem 0 .5rem; font-size: 1.1rem; font-weight: 800; }
.post p { margin: 0 0 1rem; color: var(--ink-soft); font-size: .93rem; flex: 1; }
.post a.more { font-weight: 800; color: var(--red); font-size: .9rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--red-dark), var(--red)); color: #fff;
  border-radius: 26px; padding: clamp(2rem, 4vw, 3.2rem); text-align: center;
  box-shadow: var(--shadow);
}
.cta-band h2 { font-weight: 900; font-size: clamp(1.6rem, 1.1rem + 2vw, 2.4rem); margin: 0 0 .6rem; }
.cta-band p { color: #ffe1dd; max-width: 52ch; margin: 0 auto 1.4rem; }

/* ---------- Lead form ---------- */
.lead-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; align-items: stretch; }
.form-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: var(--shadow-sm);
}
.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: .35rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .8rem .95rem; border: 1.5px solid var(--line); border-radius: 12px;
  font: inherit; background: var(--cream); transition: border .15s, box-shadow .15s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(228,20,27,.12); background: #fff;
}
.field textarea { min-height: 96px; resize: vertical; }
.form-note { font-size: .82rem; color: #9a8b7b; margin-top: .3rem; }
.form-msg { margin-top: .9rem; padding: .8rem 1rem; border-radius: 12px; font-weight: 700; font-size: .92rem; display: none; }
.form-msg.ok { display: block; background: #e8f7ec; color: #1a7f3c; border: 1px solid #b7e5c4; }
.form-msg.err { display: block; background: #fdeaea; color: #b3261e; border: 1px solid #f3c2c0; }

.contact-list { display: grid; gap: 1rem; }
.contact-item { display: flex; gap: .9rem; align-items: flex-start; }
.contact-item .ic { width: 46px; height: 46px; border-radius: 12px; background: linear-gradient(135deg,#fff2cf,#ffdf87); color: var(--red-dark); display: grid; place-items: center; font-size: 1.2rem; flex: none; }
.contact-item b { display: block; font-size: .95rem; }
.contact-item span { color: var(--ink-soft); font-size: .92rem; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  background: linear-gradient(135deg, var(--red-deep), var(--red)); color: #fff;
  padding: clamp(2.4rem, 4vw, 3.6rem) 0; text-align: center;
}
.page-hero h1 { font-weight: 900; font-size: clamp(1.9rem, 1.2rem + 3vw, 3rem); margin: .3rem 0 .5rem; }
.page-hero p { color: #ffe1dd; max-width: 60ch; margin: 0 auto; }
.crumbs { font-size: .85rem; color: #ffd9d5; font-weight: 600; }
.crumbs a { color: var(--yellow); }

/* ---------- FAQ ---------- */
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem 1.2rem; margin-bottom: .8rem;
}
.faq summary { font-weight: 800; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-weight: 900; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: .7rem 0 0; color: var(--ink-soft); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #d9ccbd; padding: 3rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2rem; }
.site-footer h4 { color: #fff; font-weight: 800; margin: 0 0 .9rem; font-size: 1rem; }
.site-footer a { display: block; color: #d9ccbd; padding: .25rem 0; font-size: .93rem; }
.site-footer a:hover { color: var(--yellow); }
.footer-brand p { color: #b8a893; font-size: .92rem; margin: .8rem 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2rem; padding-top: 1.2rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .84rem; color: #9a8b7b; }

/* ---------- Placeholder marker ---------- */
/* Dấu "nội dung mẫu" — giữ tinh tế, KHÔNG nền để không phá phối màu.
   Bật lại đường gạch mờ khi soạn nội dung bằng cách thêm class 'show-ph' vào <body>. */
.ph { }
body.show-ph .ph { outline: 1px dashed rgba(0,0,0,.25); outline-offset: 2px; border-radius: 3px; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__art { max-width: 380px; margin-inline: auto; }
  .lead-wrap { grid-template-columns: 1fr; }
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav__links, .nav__cta .btn-ghost { display: none; }
  .nav__toggle { display: grid; place-items: center; }
  .site-header.open .nav__links {
    display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column;
    background: var(--ink); padding: 1rem; gap: .2rem; border-bottom: 3px solid var(--red);
  }
  .site-header.open .nav__links a { width: 100%; }
}
@media (max-width: 560px) {
  .grid.cols-3, .grid.cols-4, .grid.cols-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .founder { grid-template-columns: 1fr; }
  .founder__ava { width: 100%; height: 200px; }
  .hero__stats { gap: 1.2rem; }
}

/* ==========================================================================
   PREMIUM COMPONENTS (v2) — nâng cấp đẳng cấp, chuẩn nhận diện Cao Lên
   ========================================================================== */

/* ---------- Top bar ---------- */
.topbar { background: var(--red-dark); color: #ffdede; font-size: .82rem; font-weight: 600; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .45rem 0; }
.topbar a { color: #fff; transition: color .15s; }
.topbar a:hover { color: var(--yellow); }
.topbar .tb-left { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.topbar .tb-left span, .topbar .tb-left a { display: inline-flex; align-items: center; gap: .35rem; }
.topbar .tb-right { display: flex; align-items: center; gap: .9rem; }
.topbar .socials { display: flex; gap: .5rem; }
.topbar .socials a { width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; background: rgba(255,255,255,.14); font-size: .8rem; }
.topbar .socials a:hover { background: var(--yellow); color: var(--red-dark); }

/* nav dropdown */
.nav__links .has-sub { position: relative; }
.nav__links .has-sub > a { display: inline-flex; align-items: center; white-space: nowrap; }
.nav__links .has-sub > a::before { content: "\25BE"; order: 2; margin-left: .3em; font-size: .75em; opacity: .8; position: static; background: none; }
.submenu { position: absolute; top: 100%; left: 0; min-width: 244px; background: #fff; color: var(--ink); border-radius: 14px; box-shadow: 0 20px 45px -18px rgba(0,0,0,.4); padding: .5rem; opacity: 0; visibility: hidden; transform: translateY(8px); transition: .18s; z-index: 60; border: 1px solid var(--line); }
.nav__links .has-sub:hover .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; width: 100%; white-space: nowrap; color: var(--ink) !important; padding: .55rem .8rem !important; border-radius: 9px; font-size: .9rem; }
.submenu a:hover { background: var(--cream-2); color: var(--red) !important; }

/* ---------- Stats band ---------- */
.stats-band { background: linear-gradient(135deg, var(--red-dark), var(--red) 60%, var(--red-bright)); color: #fff; }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding: 2.2rem 0; }
.stat { text-align: center; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 15%; height: 70%; width: 1px; background: rgba(255,255,255,.22); }
.stat b { display: block; font-weight: 900; font-size: clamp(1.9rem, 1.3rem + 2vw, 2.8rem); color: var(--yellow); line-height: 1; }
.stat span { font-size: .9rem; color: #ffe0e0; font-weight: 600; }

/* ---------- Section header ---------- */
.sec-head { max-width: 760px; }
.sec-head.center { margin-inline: auto; text-align: center; }
.sec-head.center .section-sub { margin-inline: auto; }

/* ---------- Why choose (5 cột) ---------- */
.why-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.why { text-align: center; padding: 1.6rem 1.1rem; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .2s; }
.why:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--yellow-deep); }
.why .ic { width: 64px; height: 64px; margin: 0 auto .8rem; border-radius: 18px; display: grid; place-items: center; font-size: 1.7rem; background: linear-gradient(135deg, var(--red), var(--red-dark)); color: var(--yellow); }
.why h3 { font-size: 1.02rem; font-weight: 800; margin: .2rem 0 .4rem; }
.why p { font-size: .88rem; color: var(--ink-soft); margin: 0; }

/* ---------- Testimonials ---------- */
.testi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow-sm); position: relative; }
.testi .stars { color: #FFB800; letter-spacing: 2px; font-size: .95rem; }
.testi p { color: var(--ink-soft); font-size: .96rem; margin: .6rem 0 1.1rem; }
.testi .who { display: flex; align-items: center; gap: .7rem; }
.testi .who .av { width: 46px; height: 46px; border-radius: 50%; flex: none; display: grid; place-items: center; background: linear-gradient(135deg, var(--red), var(--red-dark)); color: var(--yellow); font-weight: 900; }
.testi .who b { display: block; font-size: .95rem; }
.testi .who span { font-size: .82rem; color: #98897a; }

/* ---------- Experts / founders ---------- */
.expert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); text-align: center; transition: transform .18s, box-shadow .2s; }
.expert:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.expert__top { background: linear-gradient(135deg, var(--red), var(--red-dark)); padding: 1.6rem; }
.expert__ava { width: 108px; height: 108px; border-radius: 50%; margin: 0 auto; background: #fff; display: grid; place-items: center; color: var(--red); font-size: 2.4rem; font-weight: 900; border: 4px solid var(--yellow); }
.expert__body { padding: 1.1rem 1.2rem 1.4rem; }
.expert h3 { margin: 0; font-size: 1.15rem; font-weight: 900; }
.expert .role { color: var(--red); font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
.expert p { font-size: .88rem; color: var(--ink-soft); margin: .6rem 0 .8rem; }

/* ---------- Media strip ---------- */
.media-strip { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: center; justify-content: center; }
.media-strip .logo { padding: .7rem 1.3rem; border-radius: 12px; background: #fff; border: 1px solid var(--line); font-weight: 800; color: #9a8b7b; font-size: .95rem; box-shadow: var(--shadow-sm); }

/* ---------- Split feature ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split.rev .split__media { order: 2; }
.split__media { aspect-ratio: 4/3; border-radius: 24px; background: linear-gradient(135deg, var(--red), var(--red-dark)); display: grid; place-items: center; color: var(--yellow); font-size: 4rem; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.split__media img { width: 100%; height: 100%; object-fit: cover; }
.check-list { list-style: none; padding: 0; margin: 1.2rem 0 0; }
.check-list li { display: flex; gap: .7rem; align-items: flex-start; margin-bottom: .7rem; font-size: .98rem; }
.check-list li::before { content: "\2713"; flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--red); color: #fff; display: grid; place-items: center; font-size: .8rem; font-weight: 900; }

/* ---------- Multi-field registration ---------- */
.reg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.reg-grid .full { grid-column: 1 / -1; }

/* ---------- Responsive v2 ---------- */
@media (max-width: 1000px) { .why-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) {
  .topbar .tb-left { display: none; }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); gap: 1.6rem; }
  .stat + .stat::before { display: none; }
  .split { grid-template-columns: 1fr; gap: 1.6rem; }
  .split.rev .split__media { order: 0; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .reg-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .why-grid { grid-template-columns: 1fr; }
  .stats-band .container { grid-template-columns: 1fr 1fr; }
}

/* ---------- Thanh tuyển dụng trên cùng ---------- */
.recruit-bar { background: linear-gradient(90deg, var(--yellow), var(--yellow-deep)); color: #5a3600; }
.recruit-bar .container { display: flex; align-items: center; justify-content: center; gap: .9rem; padding: .5rem 0; flex-wrap: wrap; text-align: center; font-weight: 700; font-size: .86rem; }
.recruit-bar .rb-txt b { color: #7e0009; font-weight: 900; }
.recruit-bar .rb-btn { background: #17181a; color: #fff; padding: .32rem 1rem; border-radius: 999px; font-weight: 800; font-size: .8rem; white-space: nowrap; transition: background .15s, transform .15s; }
.recruit-bar .rb-btn:hover { background: var(--red); transform: translateY(-1px); }
@media (max-width: 560px) { .recruit-bar .container { font-size: .78rem; gap: .5rem; } }

/* ---------- Nút liên hệ nổi (gọi điện + Zalo) ---------- */
.float-contact { position: fixed; right: 16px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: 12px; }
.float-contact a {
  width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center;
  color: #fff; box-shadow: 0 10px 22px -6px rgba(0,0,0,.45); position: relative; transition: transform .15s;
}
.float-contact a:hover { transform: scale(1.08); }
.float-contact a svg { width: 30px; height: 30px; }
.fc-call { background: #E60012; }
.fc-call::before, .fc-call::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(230,0,18,.5);
  animation: fc-wave 1.8s ease-out infinite;
}
.fc-call::after { animation-delay: .6s; }
@keyframes fc-wave { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(1.7); opacity: 0; } }
.fc-zalo { background: #0068FF; font-weight: 900; font-size: .92rem; letter-spacing: .01em; }
@media (max-width: 560px) { .float-contact a { width: 48px; height: 48px; } .float-contact a svg { width: 26px; height: 26px; } .fc-zalo { font-size: .82rem; } }

/* icon mạng xã hội trong topbar (SVG) */
.topbar .socials a svg { width: 15px; height: 15px; display: block; }