/* ========== RESET & BASE ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;text-wrap-style:balance}
:root{
  /* ===== Brand design tokens ===== */
  --color-primary: #002058;
  --color-primary-dark: #0d3a6e;
  --color-primary-light: #2a6bc4;
  --color-secondary: #39a653;
  --color-sun: #f7b500;

  --color-text: #002058;
  --color-text-light: #000000CC;

  /* Typography */
  /* --font-family: "Noto Sans", sans-serif; */
  --font-size-base: 14px;
  --line-height-base: 1.6;

  /* Spacing */
  /* --container-max: 1200px; */
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.30);

  /* ===== Aliases so the rest of this stylesheet (--brand, --bio, --accent, --maxw...)
     stays wired to the brand tokens above ===== */
  --bg:#ffffff;
  --ink:var(--color-text);
  --ink-soft:var(--color-text-light);
  --muted:#5c6b85;
  --line:#e1e6f0;
  --bg-soft:#f4f6fb;
  --bg-tint:#eaf0f9;

  --brand:var(--color-primary);         /* navy */
  --brand-dark:var(--color-primary-dark);
  --brand-light:var(--color-primary-light);
  --bio:var(--color-secondary);         /* green accent, replaces old neon */
  --bio-dark:#2e7d43;                   /* darker shade of --color-secondary */
  --accent:var(--color-sun);            /* yellow, replaces old orange */
  --accent-dark:#c99200;                /* darker shade of --color-sun */
  --warn:var(--color-sun);

  --radius:18px;
  --radius-sm:10px;
  --shadow-glow:0 0 60px rgba(57,166,83,.35);
  --maxw:var(--container-max);
  --header-h:var(--header-height);
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  font-size:var(--font-size-base);
  color:var(--ink);
  background:var(--bg);
  line-height:var(--line-height-base);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.first-lego-league .container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ========== HEADER ========== */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand-dark)}
.logo__mark{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:18px;
  box-shadow:var(--shadow-sm);
}
.logo__txt{font-size:16px;line-height:1.1}
.logo__txt small{display:block;font-weight:500;font-size:11px;color:var(--muted);letter-spacing:.05em;text-transform:uppercase}
.nav{display:flex;gap:28px;align-items:center}
.nav a{font-weight:500;font-size:14px;color:var(--ink-soft);transition:color .2s}
.nav a:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:999px;
  font-weight:700;font-size:14px;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(247,181,0,.35)}
.btn--primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:#fff;border:2px solid #fff; transition:all .2s ease}
.btn--ghost:hover{background:var(--color-secondary);color:#fff; border: 2px solid var(--color-secondary);transform:translateY(-1px)}
.btn--bio{
  background:linear-gradient(135deg,var(--bio) 0%,var(--bio-dark) 100%);
  color:#fff;
  font-weight:800;
  box-shadow:0 8px 24px rgba(57,166,83,.45);
}
.btn--bio:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(57,166,83,.55)}

/* ========== HERO ========== */
.hero{
  position:relative;
  background-image:url('https://kidleaderhub.com/wp-content/uploads/2026/04/COG03943.jpeg');
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  padding: 8rem 0 80px;
  overflow:hidden;
}
.hero__overlay{
  position:absolute;
  inset:0;
  background:rgba(0,32,88,.74);   /* xanh navy thay vì đen */
  z-index:0;
}
.hero__grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  position:relative;z-index:1;
}
.hero__badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgb(57 166 83);
  border:1px solid rgba(255,255,255,.3);   /* viền sáng nhẹ cho nổi trên nền badge xanh */
  color:#fff;                               /* đổi từ brand-dark → trắng, khớp ảnh */
  font-weight:700;
  font-size:13px;
  padding:8px 14px;
  border-radius:999px;
  margin-bottom:24px;
  box-shadow:0 6px 16px rgba(57,166,83,.35); /* thêm chút bóng đổ cho nổi khối, giống ảnh */
}
.hero__badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:#fff;                          /* dot trắng thay vì xanh lá như bản cũ */
  box-shadow:0 0 8px rgba(255,255,255,.8);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}
.hero h1{
  font-size:clamp(34px,5vw,64px);
  line-height:1.05;font-weight:900;color:var(--brand-dark);
  letter-spacing:-.02em;
  margin-bottom:20px;
  color:#fff;
}
.hero h1 .hl{
  color: var(--color-secondary);
  display:inline-block;
}
.hero p.lead{
  font-size:18px;color:#fff;margin-bottom:32px;max-width:560px;
}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:560px}
.stat{padding:14px 16px;background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:12px;backdrop-filter:blur(8px)}
.stat__num{font-family:'Space Grotesk',sans-serif;font-size:26px;font-weight:700;color:var(--brand-dark);line-height:1}
.stat__lbl{font-size:12px;color:var(--color-primary);margin-top:4px;display:block;text-transform:uppercase;letter-spacing:.05em}

/* hero visual */
/* hero visual */
.hero__visual{
  position:relative;
  aspect-ratio:1/1;
  max-width:480px;
  margin-left:auto;
  padding-bottom:60px; /* chừa chỗ cho card featured thò ra dưới, tránh bị cắt */
}
.hero__visual .glow{
  position:absolute;inset:0;
  background:radial-gradient(circle, rgba(57,166,83,.35) 0%, transparent 60%);
  filter:blur(30px);
}
.hero__card{
  position:relative;
  z-index:2;                 /* NẰM TRÊN featured */
  background:#fff;
  border-radius:24px;
  padding:28px;
  width:100%;
  max-width:380px;           /* rộng ra để không bị vỡ chữ / xuống dòng lệch */
  box-shadow:var(--shadow-md);
  border:1px solid var(--line);
  transform:rotate(-2deg);
}
.hero__card.featured{
  z-index:1;                 /* NẰM DƯỚI card chính */
  transform:rotate(3deg);
  position:absolute;
  right:166px;
  bottom:-10px;               /* đẩy xuống thấp hơn để chỉ ló góc, không che nội dung */
  width:60%;                  /* thu nhỏ lại, không rộng bằng card chính */
  background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand) 100%);
  color:#fff;
  padding:18px 22px;
  border-radius:16px;
  box-shadow:0 18px 40px rgba(13,58,110,.35);
  width: 100%;
}
.hero__card .row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;white-space:nowrap;gap:16px}
.hero__card .row:last-child{border-bottom:0}
.hero__card .row span:last-child{font-weight:700;color:var(--brand)}
.hero__card .ttl{font-weight:800;font-size:18px;color:var(--brand-dark);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.hero__card.featured .ttl{color:var(--bio)}
.hero__card.featured strong{font-family:'Space Grotesk',sans-serif;font-size:20px;color:#fff}
.hero__logo{
  position:absolute;left:-20px;top:-20px;
  background:#fff;padding:10px 14px;border-radius:14px;font-weight:900;color:var(--brand-dark);
  box-shadow:var(--shadow-sm);font-size:13px;display:flex;align-items:center;gap:6px;
}
/* ----- Tablet: ≤1024px ----- */
@media (max-width: 1024px) {
  .hero__visual{
    margin: 0 auto;
    padding-bottom:80px;
  }
  .hero__card.featured{
    right:5%;
    /* width:60%; */
  }
}

/* ----- Tablet nhỏ / Mobile ngang: ≤768px ----- */
/* @media (max-width: 768px) {
  .hero__card{ max-width:320px; }
  .hero__card.featured{
    right:0;
    left:0;
    margin:0 auto;
    width:80%;
    bottom:-30px;
  }
} */

/* ----- Mobile: ≤480px ----- */
@media (max-width: 768px) {
  .hero__visual{
    max-width:100%;
    padding-bottom:70px;
  }
  .hero__card{ max-width:100%; }
  .hero__card.featured{
    position:absolute;
    right:0;
    left:0;
    margin:0 auto;
    width:90%;
    bottom:-45px;
    padding:14px 18px;
  }
  .hero__card.featured strong{ font-size:14px; }
}

/* ========== TRUST BAR ========== */
.trustbar{
  background:var(--brand-dark);color:#fff;padding:24px 0;
}
.trustbar .container {
  max-width: 1300px;
}
.trustbar__inner{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;
}
.trustbar__item{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px}
.trustbar__item .ico{
  width:36px;height:36px;border-radius:8px;background:rgba(57,166,83,.18);
  display:grid;place-items:center;color:var(--bio);
}

/* ========== SECTION COMMONS ========== */
.section{padding:88px 0}
.section--alt{background:var(--bg-soft)}
.section--dark{
  background:linear-gradient(180deg,var(--brand-dark) 0%,#001238 100%);
  color:#fff;
}
.section__head{text-align:center;max-width:880px;margin:0 auto 56px}
.eyebrow{
  display:inline-block;font-weight:700;font-size:18px;
  text-transform:uppercase;letter-spacing:.14em;
  color:var(--brand-light);margin-bottom:14px;
}
.section--dark .eyebrow{color:var(--bio)}
.section__head h2{
  font-size:clamp(28px,3.8vw,44px);
  font-weight:800;color:var(--brand-dark);
  letter-spacing:-.01em;line-height:1.25;
}
.section--dark .section__head h2{color:#fff}
.section__head p{font-size:17px;color:var(--ink-soft);margin-top:14px}
.section--dark .section__head p{color:rgba(255,255,255,.78)}

/* ========== OVERVIEW / FIRST LEGO LEAGUE ========== */
.fl-intro{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.fl-intro__media{
  position:relative;border-radius:24px;overflow:hidden;
  aspect-ratio:4/3;
  background:linear-gradient(135deg,#001238 0%,var(--brand) 100%);
  display:grid;place-items:center;color:#fff;
}
.fl-intro__media::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 30% 40%, rgba(57,166,83,.3) 0px, transparent 30%),
    radial-gradient(circle at 70% 70%, rgba(57,166,83,.2) 0px, transparent 30%);
}
.fl-intro__big{
  position:relative;z-index:1;text-align:center;padding:32px;
}
.fl-intro__big .num{
  font-family:'Space Grotesk',sans-serif;
  font-size:120px;font-weight:700;line-height:1;
  background:linear-gradient(135deg,var(--bio) 0%,#fff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.fl-intro__big small{font-size:20px;font-weight: 700 ; letter-spacing:.2em;text-transform:uppercase;color:var(--bio);display:block;margin-top:8px}
.fl-intro__chip{
  position:absolute;top:20px;left:20px;
  background:rgba(57,166,83,.9);color:#fff;
  padding:8px 14px;border-radius:999px;font-weight:800;font-size:12px;
  z-index:2;
}
.fl-intro__content h3{font-size:24px;color:var(--brand-dark);margin-bottom:14px;font-weight:800}
.fl-intro__content p{color:var(--ink-soft);margin-bottom:20px;font-size:16px}
.fl-intro__list{list-style:none}
.fl-intro__list li{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-weight:500}
.fl-intro__list li:last-child{border-bottom:0}
.fl-intro__list .tick{
  flex:0 0 24px;height:24px;border-radius:50%;
  background:var(--color-secondary);color:#fff;
  display:grid;place-items:center;font-size:11px;font-weight:700;
}

/* ========== 3 PILLARS ========== */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pillar{
  background:#fff;padding:32px 28px;border-radius:var(--radius);
  border:2px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .3s,box-shadow .3s;
  position:relative;overflow:hidden;
}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.pillar::before{
  content:"";position:absolute;top:0;left:0;right:0;height:5px;
  background:linear-gradient(90deg,var(--brand) 0%,var(--bio) 100%);
  opacity:0;transition:opacity .3s;
}
.pillar:hover::before{opacity:1}
.pillar__num{
  font-family:'Space Grotesk',sans-serif;font-size:54px;font-weight:700; 
  color:var(--color-secondary);line-height:1;margin-bottom:14px; text-transform: uppercase;
}
.pillar__ttl{font-size:22px;font-weight:800;color:var(--brand-dark);margin-bottom:8px}
.pillar__lbl{font-size:18px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--brand-light);margin-bottom:14px;display:block}
.pillar__desc{color:var(--ink-soft);font-size:15px;margin-bottom:18px}
.pillar__ico{
  width:54px;height:54px;border-radius:14px; font-size: 18px;
  background:var(--bg-tint);color:var(--brand);
  display:grid;place-items:center;
  margin-bottom:18px;font-weight:800;
}

/* ========== AUDIENCE / AGE ========== */
.audience{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.aud-card{
  background:#fff;border-radius:var(--radius);
  padding:36px 32px;border:1px solid var(--line);
  position:relative;transition:all .3s;
}
.aud-card--explore{border-color:var(--bio-dark);background:linear-gradient(180deg,#fff 0%,#eaf7ee 100%)}
.aud-card--challenge{border-color:var(--brand);background:linear-gradient(180deg,#fff 0%,#eaf0f9 100%)}
.aud-card__tag{
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    background: var(--color-secondary);
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 14px;
}
.aud-card--challenge .aud-card__tag{
  background: var(--color-primary);
}
.aud-card h3{font-size:30px;font-weight:800;color:var(--brand-dark);margin-bottom:8px}
.aud-card .age{font-family:'Space Grotesk',sans-serif;font-size:42px;font-weight:700;color:var(--brand);line-height:1;margin-bottom:18px}
.aud-card ul{list-style:none;margin:18px 0}
.aud-card ul li{padding:8px 0;padding-left:24px;position:relative;color:var(--ink-soft)}
.aud-card ul li::before{
  content:"";position:absolute;left:0;top:14px;width:14px;height:14px;
  border-radius:50%;background:var(--bio);
}

/* ========== ROADMAP / 48 BUỔI ========== */
.roadmap{position:relative}
.roadmap__line{
  display:flex;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
}
.stage{
  flex:1;padding:28px 24px;border-right:1px solid var(--line);
  position:relative;transition:all .3s;
}
.stage{
  display:flex;
  flex-direction:column;
}
.stage__desc{
  flex:1;
}
.stage:last-child{border-right:0}
.stage:hover{background:var(--bg-tint)}
.stage__count{
  font-family: 'Space Grotesk', sans-serif;
    font-size: 24px; /* Giảm size một chút cho cân đối với khung */
    font-weight: 700;
    color: #ffffff; /* Đổi màu số thành màu trắng */
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background-color:var(--color-primary); /* Màu nền xanh đen lá mạ/tối như ảnh */
    border-radius: 10px; /* Bo góc nhẹ */
}
.stage__ttl{font-size:18px;font-weight:800;color:var(--brand-dark);margin:8px 0 4px}
.stage__sess{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px;display:block}
.stage__desc{font-size:14px;color:var(--ink-soft);line-height:1.55}
.stage__bar{height:6px;border-radius:3px;background:var(--bg-tint);margin-top:18px;overflow:hidden}
.stage__bar i{display:block;height:100%;background: var(--color-secondary);}
.stage--1 .stage__bar i{width:8%}
.stage--2 .stage__bar i{width:40%}
.stage--3 .stage__bar i{width:74%}
.stage--4 .stage__bar i{width:100%}

/* ========== CORE VALUES ========== */
.values{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.value{
  text-align:center;padding:24px 12px;background:#fff;border-radius:var(--radius);
  border:1px solid var(--line);transition:all .3s;
}
.value:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--bio)}
.value__ico{
  width:54px;height:54px;border-radius:50%;
      border: 1px solid var(--color-secondary);;
  margin:0 auto 12px;color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px;
}
.value__ttl{font-size:15px;font-weight:800;color:var(--brand-dark);margin-bottom:2px}
.value__lbl{font-size:12px;color:var(--muted)}

/* ========== METHOD ========== */
.method{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.method__item{
  background:rgba(255,255,255,.06);border:1px solid rgba(57,166,83,.3);
  padding:24px 10px;border-radius:var(--radius);text-align:center;
}
.method__num{
  font-family:'Space Grotesk',sans-serif;font-size:32px;font-weight:700;color:var(--bio);
}
.method__ttl{color:#fff;font-weight:700;font-size:14px;margin:8px 0}
.method__desc{color:rgba(255,255,255,.7);font-size:13px;line-height:1.5}

/* ========== PRICING CARD ========== */
/* ========== PRICING CARD ========== */
.pricing-wrap{display:grid;grid-template-columns:1fr 1.4fr;gap:32px;align-items:stretch;margin-top:32px}

.pricing__panel{
  background:linear-gradient(135deg,var(--brand-dark) 0%,var(--brand) 100%);
  color:#fff;padding:36px;border-radius:var(--radius);
  position:relative;overflow:hidden;
}
.pricing__panel::before{
  content:"";position:absolute;top:-40px;right:-40px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle, rgba(57,166,83,.4) 0%, transparent 70%);
  filter:blur(20px);
}
.pricing__panel h3{ color:#fff; font-size:24px;font-weight:800;margin-bottom:8px }
.pricing__panel .meta{ color:var(--bio);font-size:13px;font-weight:600;display:block;letter-spacing:.05em;margin-bottom:24px }

.price-offer{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.15);
  border-radius:14px;
  padding:16px 18px;
  margin-bottom:22px;
}
.price-offer__ico{ font-size:22px; line-height:1; }
.price-offer__ttl{ font-size:13px;font-weight:700;color:rgba(255,255,255,.75);margin-bottom:4px; }
.price-offer__val{ font-size:19px;font-weight:800;color:var(--bio); }
.price-offer__note{ font-size:12px;color:rgba(255,255,255,.55);margin-top:4px; }

.pricing__panel ul{list-style:none;margin:0 0 24px}
.pricing__panel ul li{display:flex;align-items:flex-start;gap:10px;padding:8px 0;font-size:14px;color:rgba(255,255,255,.9)}
.pricing__panel ul li .chk{color:var(--bio);font-weight:800;flex:0 0 18px}

.btn--block{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;text-align:center;
  margin-bottom:16px;
}
.price-secure{
  margin-top: 10px;
  display:flex;
  align-items:center;      /* icon neo trên, không kéo giãn theo chiều cao khối chữ */
  justify-content:center;      /* căn giữa cả khối icon+chữ theo chiều ngang */
  gap:8px;                     /* bật lại gap, đừng comment out */
  font-size:12.5px;
  color:#fff;
  max-width:280px;             /* giới hạn bề rộng để chữ xuống đúng 2 dòng như ảnh */
  margin:0 auto;
}
.price-secure svg{
  flex:0 0 16px;                /* ép kích thước cố định, không cho co giãn */
  width:16px;
  height:16px;
  color:var(--bio);             /* icon màu xanh lá thay vì currentColor trắng mờ */
  margin-top:2px;               /* canh icon ngang dòng chữ đầu tiên */
}

.pricing__detail{
  background:#fff;padding:36px;border-radius:var(--radius);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
}
.pricing__detail h3{font-size:20px;color:var(--brand-dark);font-weight:800;margin-bottom:20px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}

.detail{
  background:var(--bg-soft);
  border-radius:14px;
  padding:18px 18px;
}
.detail__ico{
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  font-size:16px;margin-bottom:10px;
}
.detail__ico--brand{ background:rgba(0,32,88,.10); color:var(--brand); }
.detail__ico--bio{ background:rgba(57,166,83,.15); color:var(--bio-dark); }
.detail__lbl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.detail__val{font-weight:800;color:var(--brand-dark);font-size:16px;margin-top:4px}
.detail__sub{font-size:12.5px;color:var(--muted);margin-top:2px}

.detail-notice{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(57,166,83,.08);
  border:1px solid rgba(57,166,83,.25);
  border-radius:14px;
  padding:16px 18px;
  margin-top:8px;
      align-items: center;
}
.detail-notice__ico{     stroke: var(--color-secondary); }
.detail-notice strong{ display:block;font-size:14px;color:var(--color-secondary);margin-bottom:2px; }
.detail-notice p{ font-size:13px;color:var(--color-secondary);line-height:1.5; }

/* ========== ENTRANCE TEST ========== */
.test{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.test__item{
  text-align:center;background:#fff;padding:28px 20px;border-radius:var(--radius);
  border:1px solid var(--line);transition:all .3s;
}
.test__item:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.test__num{
  width:54px;height:54px;border-radius:50%;
  background: var(--color-secondary);;color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:22px;
  margin:0 auto 14px;font-family:'Space Grotesk',sans-serif;
}
.test__ttl{font-size:16px;font-weight:800;color:var(--brand-dark);margin-bottom:6px}
.test__desc{font-size:13px;color:var(--ink-soft);line-height:1.55}

/* ========== WHY US / USP ========== */
.usp{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.usp__item{
  background:#fff;padding:32px 28px;border-radius:var(--radius);
  border:1px solid var(--line);
}
.usp__ico{
  width:56px;height:56px;border-radius:14px;
  background:var(--bg-tint);color:var(--brand);
  display:grid;place-items:center;margin-bottom:18px;font-size:24px;font-weight:800;
}
.usp__ttl{font-size:19px;font-weight:800;color:var(--brand-dark);margin-bottom:8px}
.usp__desc{color:var(--ink-soft);font-size:14.5px;line-height:1.6}

/* ========== FAQ ========== */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px;transition:all .3s;
}
.faq__item:hover{border-color:var(--brand);box-shadow:var(--shadow-sm)}
.faq__q{
  font-size:17px;font-weight:700;color:var(--brand-dark);
  margin-bottom:10px;display:flex;align-items:flex-start;gap:10px;
}
.faq__q::before{
  content:"Q";flex:0 0 28px;height:28px;border-radius:8px;
  background:var(--brand);color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:800;font-family:'Space Grotesk',sans-serif;
}
.faq__a{color:var(--ink-soft);font-size:15px;line-height:1.65;padding-left:38px}

/* ========== FINAL CTA ========== */
.cta{
  background:linear-gradient(135deg,var(--brand-dark) 0% 30%,var(--brand) 100%);
  color:#fff;padding:88px 0;position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 90% 10%, rgba(57,166,83,.3) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(57,166,83,.2) 0%, transparent 40%);
}
.cta__inner{position:relative;z-index:1;text-align:center;max-width:760px;margin:0 auto}
.cta h2{font-size:clamp(28px,3.5vw,42px);font-weight:800;line-height:1.2;margin-bottom:18px}
.cta p{color:rgba(255,255,255,.85);font-size:17px;margin-bottom:32px} 
.cta__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:36px}
.cta__contact{
  display:flex;justify-content:center;gap:36px;flex-wrap:wrap;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.15);
}
.cta__contact a{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px;color:#fff}
.cta__contact .ico{color:var(--bio)}


/* ========== ACHIEVEMENTS GALLERY ========== */
.achievements{
  padding:88px 0;
  background:var(--bg);
}
.section__head--left{
  /* text-align:left; */
  max-width:760px;
}
.achievements h2{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;line-height:1.2;
  letter-spacing:-.01em;
  color:var(--ink);
}
.hl-brand{ color:var(--bio); }
.hl-bio{ color:var(--brand); }

.ach-gallery{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-template-rows:auto auto;
  gap:20px;
}
.ach-photo{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--bg-tint);
  box-shadow:var(--shadow-sm);
}
.ach-photo img{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
  transition:transform var(--transition-slow);
}
.ach-photo:hover img{
  transform:scale(1.04);
}
.ach-photo--lg{
  grid-column:span 2;
  aspect-ratio:16/10;
}
.ach-photo--sm{
  grid-column:span 1;
  aspect-ratio:1/1;
}
.ach-photo figcaption{
  position:absolute;
  left:0;right:0;bottom:0;
  padding:14px 18px;
  font-size:14px;font-weight:600;
  color:#fff;
  background:linear-gradient(0deg, rgba(0,0,0,.65) 0%, transparent 100%);
}

/* ===== Responsive ===== */
@media (max-width: 1024px){
  .ach-gallery{ grid-template-columns:repeat(2,1fr); }
  .ach-photo--lg{ grid-column:span 2; }
  .ach-photo--sm{ grid-column:span 1; }
}
@media (max-width: 640px){
  .ach-gallery{ grid-template-columns:1fr; }
  .ach-photo--lg,
  .ach-photo--sm{ grid-column:span 1; }
  .ach-photo--sm{ aspect-ratio:4/3; }
}


/* ========== RESPONSIVE ========== */
/* ========================================================
   RESPONSIVE — 3 breakpoints chuẩn
   Tablet: 1024px · Tablet nhỏ/Mobile ngang: 768px · Mobile: 480px
   ======================================================== */

/* ----- Tablet: ≤1024px ----- */
@media (max-width: 1024px) {
  .container{ padding:0 20px; }
  .hero__grid{ grid-template-columns: 1fr; gap: 40px; }
  .hero__visual{ margin: 0 auto; }
  .fl-intro,
  .pricing-wrap{ grid-template-columns: 1fr; gap: 32px; }
  .pillars,
  .usp,
  .audience{ grid-template-columns: repeat(2, 1fr); }
  .values,
  .method,
  .test{ grid-template-columns: repeat(3, 1fr); }
  .faq{ grid-template-columns: 1fr; }
}

/* ----- Tablet nhỏ / Mobile ngang: ≤768px ----- */
@media (max-width: 768px) {
  .nav{ display: none; }
  .section{ padding: 64px 0; }
  .section__head{ margin-bottom: 40px; }
  .roadmap__line{ flex-direction: column; }
  .stage{ border-right: 0; border-bottom: 1px solid var(--line); }
  .stage:last-child{ border-bottom: 0; }
  .values,
  .method,
  .test{ grid-template-columns: repeat(2, 1fr); }
  .detail-grid{ grid-template-columns: repeat(2, 1fr); }
}

/* ----- Mobile: ≤480px ----- */
@media (max-width: 480px) {
  .hero__stats{ grid-template-columns: repeat(2, 1fr); }
  .pillars,
  .usp,
  .audience,
  .values,
  .method,
  .test,
  .detail-grid{ grid-template-columns: 1fr; }
  .hero__cta,
  .cta__actions{ flex-direction: column; }
  .hero__cta .btn,
  .cta__actions .btn{ width: 100%; justify-content: center; }
}