/* =========================
   AiKAO Landing — Stylesheet
   ========================= */

:root{
  --teal:#1FD0CF;
  --teal-dark:#0FB5B5;
  --teal-light:#D6F8F7;
  --navy:#0E1E3A;
  --navy-2:#142A52;
  --ink:#0E1E3A;
  --text:#2A3A55;
  --muted:#6B7794;
  --bg:#FFFFFF;
  --bg-soft:#F5FAFC;
  --green-soft:#C7F6D6;
  --green-mid:#B3F0C7;
  --violet:#B7B2F7;
  --violet-2:#A29CF2;
  --line:#E6ECF2;
  --shadow-lg:0 30px 60px -20px rgba(14, 30, 58, .25);
  --shadow-md:0 14px 30px -10px rgba(14, 30, 58, .18);
  --radius:18px;
  --radius-lg:28px;

  --container:1440px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:1rem;}
body{
  font-family:'Google Sans Flex', system-ui, -apple-system, sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}

.container{
  max-width:var(--container);
  width:90%;
  margin:0 auto;
}
.header__inner{
  width:100%;
  max-width:100%;
  padding:0 24px;
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:1rem;
  transition:transform .2s ease, box-shadow .2s ease, background .2s;
  white-space:nowrap;
}
.btn--primary{
  background:linear-gradient(135deg, #FFB547 0%, #FF8E2E 100%);
  color:#fff;
  box-shadow:0 10px 24px -8px rgba(255,142,46,.6);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -8px rgba(255,142,46,.7);}
.btn--white{background:#fff;color:var(--navy);}
.btn--white:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn--outline{background:transparent;color:#fff;border:1.5px solid #fff;}
.btn--outline:hover{background:#fff;color:var(--navy);}

/* ====== Header ====== */
.header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:relative;
  height:74px;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:8px;color:var(--teal);}
.logo__mark{width:30px;height:30px;color:var(--teal);}
.logo__text{font-weight:800;font-size:1.375rem;color:var(--navy);letter-spacing:-.5px;}
.nav{display:flex;gap:32px;position:absolute;left:50%;transform:translateX(-50%);}
.nav__link{
  color:var(--navy);
  font-weight:500;
  font-size:1rem;
  position:relative;
  padding:6px 0;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:0;
  width:0;
  height:2px;
  background:var(--teal);
  transition:.25s;
  transform:translateX(-50%);
}
.nav__link:hover::after{width:100%;}

.header__actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.header__cta{padding:11px 22px;font-size:0.875rem;}

/* Language toggle */
.lang-toggle{
    background: transparent;
    border: 1.5px solid var(--line);
    color: var(--navy);
    font: 700 0.875rem / 1 'Google Sans Flex', sans-serif;
    border-radius: 999px;
    cursor: pointer;
    transition: background .2s, color .2s, border-color .2s;
    letter-spacing: .08em;
    flex-shrink: 0;
    padding: 14px 14px;
}
.lang-toggle:hover{
  background:var(--teal);
  border-color:var(--teal);
  color:#fff;
}

.hamburger{
  display:none;
  width:42px;height:42px;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}
.hamburger span{
  width:24px;height:2px;background:var(--navy);
  border-radius:2px;
  transition:.25s;
}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ====== Hero ====== */
.hero{
  position:relative;
  min-height:calc(100vh - 74px);
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:60%;
  background:linear-gradient(to top, rgb(31 208 208 / 59%) 0%, transparent 100%);
  z-index:-1;
}
.hero__inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:60px;
  align-items:center;
  padding:60px 0;
  width:90%;
}
.hero__title{
  font-size:clamp(1.75rem, 1.5rem + 2.5vw, 3rem);
  line-height:1.15;
  color:var(--navy);
  font-weight:800;
  margin:0 0 10px;
  letter-spacing:-.5px;
}
.hero__subs{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin:0 0 22px;
}
.hero__sub{
  font-size:clamp(1.75rem, 1.5rem + 2.5vw, 3rem);
  line-height:1.3;
  color:var(--navy);
  font-weight:700;
  margin:0;
  letter-spacing:-.3px;
}
.accent{color:var(--teal-dark);}
.hero__desc{
  font-size:1rem;
  color:var(--muted);
  max-width:520px;
  margin:0 0 36px;
}
.hero__video{
  position:relative;
  width:100%;
  max-width:460px;
  aspect-ratio:16/10;
  border-radius:var(--radius);
  background:#FDE6E6;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  box-shadow:var(--shadow-md);
  overflow:hidden;
  transition:transform .3s;
}
.hero__video:hover{transform:translateY(-3px);}
.hero__video-bg{
  position:absolute;inset:0;
  overflow:hidden;
  border-radius:inherit;
  background:#000;
}
.hero__video-bg iframe{
  position:absolute;
  height:100%;
  width:111.11%; /* bù tỷ lệ 16:9 vào container 16:10 */
  left:50%;top:50%;
  transform:translate(-50%,-50%);
  pointer-events:none;
  border:0;
}
.hero__video-poster{
  position:absolute;inset:0;
  background:linear-gradient(to bottom, rgba(14,30,58,.15) 0%, rgba(14,30,58,.45) 100%);
}
.play-btn{
  position:relative;
  z-index:2;
  width:100px;height:100px;
  border-radius:50%;
  background:#ffffff6c;
  color:var(--teal-dark);
  box-shadow:0 10px 30px -5px rgba(0,0,0,.25);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s;
  animation:pulse-play 2.5s ease-in-out infinite;
}
@keyframes pulse-play{
  0%,100%{box-shadow:0 10px 30px -5px rgba(0,0,0,.25);}
  50%{box-shadow:0 10px 30px -5px rgba(0,0,0,.35), 0 0 0 14px rgba(255,255,255,.18);}
}
.play-btn svg{width:28px;height:28px;margin-left:4px;}
.hero__video:hover .play-btn{transform:scale(1.08);}

/* Hero visual & phone */
.hero__visual{
  position:relative;
  display:flex;justify-content:center;align-items:center;
  min-height:520px;
}
.hero__phone{
  position:relative;
  width:100%;
}

.phone-frame{
  position:relative;
  width:280px;
  aspect-ratio:9/19;
  background:#0E1E3A;
  border-radius:46px;
  padding:8px;
  box-shadow:var(--shadow-lg);
}
.phone-frame--sm{width:240px;border-radius:38px;padding:7px;}
.phone-frame--md{width:260px;border-radius:42px;padding:7px;}

.phone-notch{
  position:absolute;
  top:14px;left:50%;
  transform:translateX(-50%);
  width:100px;height:24px;
  background:#0E1E3A;
  border-radius:14px;
  z-index:2;
}
.phone-screen{
  width:100%;height:100%;
  background:linear-gradient(160deg, #E8FBFB 0%, #BFF1F0 100%);
  border-radius:38px;
  overflow:hidden;
  position:relative;
}
.phone-frame--sm .phone-screen,
.phone-frame--md .phone-screen{border-radius:32px;}

.phone-app{
  padding:54px 18px 16px;
  text-align:center;
  height:100%;
  display:flex;flex-direction:column;
}
.phone-greet{margin:0;font-size:0.8125rem;color:var(--navy);font-weight:500;}
.phone-time{
  margin:6px 0 4px;
  font-size:2.125rem;
  font-weight:800;
  color:var(--navy);
  letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
}
.phone-frame--sm .phone-time{font-size:1.875rem;}
.phone-date{margin:0 0 16px;font-size:0.6875rem;color:var(--muted);}
.phone-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  background:#fff;
  border-radius:14px;
  padding:10px 6px;
  margin-bottom:16px;
  box-shadow:0 4px 12px -2px rgba(14,30,58,.08);
}
.stat{display:flex;flex-direction:column;align-items:center;}
.stat strong{font-size:1.125rem;color:var(--navy);font-weight:700;}
.stat span{font-size:0.5625rem;color:var(--muted);}
.phone-checkin{
  width:120px;height:120px;
  margin:auto;
  border-radius:50%;
  background:linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color:#fff;
  font-weight:700;
  font-size:1rem;
  letter-spacing:.5px;
  box-shadow:0 12px 24px -6px rgba(15,181,181,.5);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s;
}
.phone-checkin:hover{transform:scale(1.05);}
.phone-frame--sm .phone-checkin{width:100px;height:100px;font-size:0.8125rem;}
.phone-tabbar{
  display:flex;justify-content:space-around;
  margin-top:auto;padding-top:10px;
}
.phone-tabbar span{
  width:22px;height:22px;border-radius:6px;
  background:rgba(14,30,58,.15);
}

/* Hero phone image */
.hero__phone-img{
  display:block;
  width:100%;
  margin:0 auto;
  filter:drop-shadow(0 40px 60px rgba(14,30,58,.18));
  animation:float 6s ease-in-out infinite;
  user-select:none;
}
@keyframes float{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-12px);}
}

/* Stars decoration */
.hero__star{
  position:absolute;
  color:var(--teal);
  font-size:1.375rem;
  animation:twinkle 3s infinite ease-in-out;
}
.hero__star--1{top:8%;left:-2%;animation-delay:0s;}
.hero__star--2{top:30%;right:-5%;font-size:1.125rem;animation-delay:1s;}
.hero__star--3{bottom:5%;left:8%;font-size:1.5rem;animation-delay:2s;}
@keyframes twinkle{
  0%,100%{opacity:.4;transform:scale(1) rotate(0deg);}
  50%{opacity:1;transform:scale(1.2) rotate(180deg);}
}

/* ====== Section base ====== */
.section{padding:80px 0;position:relative;}
.section__title{
  text-align:center;
  font-size:clamp(2rem, 2rem + 1.5vw, 3rem);
  font-weight:800;
  color:var(--navy);
  margin:0 0 60px;
  letter-spacing:-.5px;
  line-height:1.25;
}
.section__title--light{color:#fff;}
.text-accent{color:var(--teal-dark);}
.section__lead{
  text-align:center;
  max-width:760px;
  margin:0 auto 80px;
  font-size:1rem;
  color:var(--muted);
}
.section__lead--light{color:rgba(255,255,255,.85);}

/* ====== Smart features ====== */
.smart__grid{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  gap:40px;
  align-items:center;
  margin-top:40px;
}
.smart__col{display:flex;flex-direction:column;gap:24px;}
.smart__col--left{align-items:flex-end;}
.smart__col--right{align-items:flex-start;}
.smart__phone{display:flex;justify-content:center;align-items:center;}
.smart__phone-img{width:auto;display:block;}

.feature-pill{
  display:flex;
  align-items:center;
  gap:14px;
  padding:14px 20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 6px 18px -6px rgba(14,30,58,.08);
  min-width:240px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.feature-pill:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 28px -6px rgba(14,30,58,.15);
}
.smart__col--left .feature-pill{justify-content:space-between;}
.smart__col--right .feature-pill{flex-direction:row;}
.feature-pill__label{font-weight:600;color:var(--navy);font-size:1rem;}
.feature-pill__check{
  width:36px;height:36px;
  background:none;
  color:#fff;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.feature-pill__check svg{width:36px;height:36px;}
.smart__col--right .feature-pill__check{background:none;}

/* ====== Hero → Smart stacking ====== */
.hero-stack{position:relative;}
.hero-stack .hero{
  position:sticky;
  top:74px;
  z-index:1;
  will-change:transform, opacity;
  transform-origin:top center;
}
.hero-stack .smart{
  position:relative;
  z-index:2;
  background:var(--bg);
}

/* ====== Stacking card scroll ====== */
.role-stack{
  position:relative;
}
.role-stack .role--hr,
.role-stack .role--emp{
  position:sticky;
  top:74px;            /* hauteur du header */
  will-change:transform, opacity;
}

/* ====== Role sections ====== */
.role--hr{
    background: linear-gradient(135deg, #C7F6D6 0%, #B3F0C7 100%);
    z-index: 1;
    transform-origin: top center;
    min-height: calc(80vh - 74px);
    display: flex;
    align-items: center;
    width: 98%;
    margin: auto;
    border-radius: 20px;
}
.role--emp{
  background: linear-gradient(135deg, #ccc8ff 0%, #cac7fb 100%);
  z-index:2;
  transform-origin: top center;
  min-height: calc(80vh - 74px);
  display: flex;
  align-items: center;
  width: 98%;
  margin: auto;
  border-radius: 20px;
}

.role__inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.role__inner--reverse .role__visual{order:1;}
.role__inner--reverse .role__text{order:2;color:#fff;}
.role__eyebrow{color:#fff;}
.role__list li{color:rgba(255,255,255,.95);}
.role__list li::before{background:#fff;}

.role__eyebrow{
  font-size:1.125rem;
  font-weight:500;
  color:var(--navy);
  margin:0 0 6px;
}
.role__title{
  font-size:clamp(1.75rem, 3.4vw, 2.5rem);
  font-weight:800;
  color:var(--navy);
  margin:0 0 50px;
  letter-spacing:-.5px;
  line-height:1.2;
}
.role__list{display:flex;flex-direction:column;gap:14px;}
.role__list li{
  position:relative;
  padding-left:22px;
  color:var(--navy);
  font-size:1rem;
  font-weight:500;
}
.role__list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:10px;height:10px;
  background:#252a2f;
  border-radius:50%;
}

.role__visual{display:flex;justify-content:center;align-items:center;}
.role__img{width:100%;height:auto;display:block;border-radius:var(--radius);}
.laptop{
  width:100%;max-width:560px;
  position:relative;
}
.laptop__screen{
  background:#0E1E3A;
  border-radius:14px 14px 4px 4px;
  padding:14px 14px 10px;
  box-shadow:var(--shadow-lg);
}
.dash{
  background:#fff;
  border-radius:8px;
  overflow:hidden;
  display:grid;
  grid-template-columns:90px 1fr;
  min-height:260px;
}
.dash__side{background:var(--teal-light);padding:14px 10px;}
.dash__user{display:flex;align-items:center;gap:6px;margin-bottom:14px;}
.avatar{width:22px;height:22px;border-radius:50%;background:var(--teal);}
.lines{display:flex;flex-direction:column;gap:3px;flex:1;}
.lines i{display:block;height:4px;background:rgba(14,30,58,.2);border-radius:2px;}
.dash__line{
  display:block;
  height:8px;
  background:rgba(14,30,58,.12);
  border-radius:4px;
  margin-bottom:10px;
}
.dash__main{padding:14px;}
.dash__title{display:block;width:60%;height:14px;background:rgba(14,30,58,.18);border-radius:4px;margin-bottom:14px;}
.dash__row{
  display:grid;
  grid-template-columns:1fr 1fr 1fr 60px;
  gap:8px;
  padding:8px 0;
  border-bottom:1px solid var(--line);
}
.dash__row i{height:8px;background:rgba(14,30,58,.1);border-radius:3px;}
.laptop__base{
  height:8px;
  background:linear-gradient(180deg, #C3CDDB 0%, #97A4B8 100%);
  border-radius:0 0 8px 8px;
  margin:0 -16px;
  position:relative;
}
.laptop__base::after{
  content:"";
  position:absolute;
  left:50%;top:0;
  width:60px;height:4px;
  background:rgba(14,30,58,.15);
  border-radius:0 0 6px 6px;
  transform:translateX(-50%);
}

/* Employee phone mock */
.emp-app{padding:54px 14px 14px;}
.phone-screen--emp{background:#E8FBFB;}
.emp-title{
  display:block;width:70%;height:14px;
  background:rgba(14,30,58,.2);
  border-radius:4px;
  margin:0 auto 14px;
}
.emp-tabs{display:flex;gap:8px;margin-bottom:12px;}
.emp-tabs span{flex:1;height:24px;background:#fff;border-radius:8px;}
.emp-tabs span:first-child{background:var(--teal);}
.emp-list{display:flex;flex-direction:column;gap:8px;}
.emp-list li{
  display:flex;justify-content:space-between;align-items:center;
  background:#fff;padding:10px;border-radius:8px;
}
.emp-list li i{display:block;height:6px;background:rgba(14,30,58,.15);border-radius:3px;}
.emp-list li i:first-child{width:50%;}
.emp-list li i:last-child{width:25%;background:var(--teal);}

/* ====== Pricing ====== */
.pricing__note{
  display:flex;align-items:center;justify-content:center;
  gap:10px;
  color:var(--teal-dark);
  font-weight:600;
  font-size:1rem;
  margin-bottom:80px;
}
.pricing__note__red {
    color: #F59E0B;

}

.pricing__check{
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.pricing__check svg{width:22px;height:22px;}

.pricing__wrap{
  position:relative;
  margin:0;
}
.pricing__scroll{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:18px;
  padding:0 24px;
}

.plan{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  display:flex;flex-direction:column;
  gap:18px;
  position:relative;
  transition:transform .3s, box-shadow .3s;
}
.plan:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
}

.plan--featured{
  background:linear-gradient(180deg, #1B2D5C 0%, #0E1E3A 100%);
  color:#fff;
  border-color:transparent;
  transform:scale(1.04);
  box-shadow:var(--shadow-lg);
}
.plan--featured:hover{transform:scale(1.04) translateY(-6px);}

.plan__badge{
  position:absolute;
  top:24px;right:22px;
  background:linear-gradient(135deg, #FFB547, #FF8E2E);
  color:#fff;
  font-size:0.6875rem;
  font-weight:700;
  padding:4px 10px;
  border-radius:999px;
}
.plan__name{margin:0;font-size:1.25rem;font-weight:700;}
.plan__range{margin:4px 0 0;font-size:0.75rem;opacity:.7;}
.plan--featured .plan__range{color:rgba(255,255,255,.75);}

.plan__price{
  margin:0;
  display:flex;align-items:baseline;flex-wrap:wrap;gap:4px;
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.plan--featured .plan__price{border-bottom-color:rgba(255,255,255,.2);}
.plan__price strong{font-size:1.875rem;font-weight:800;color:var(--navy);letter-spacing:-1px;}
.plan--featured .plan__price strong{color:#fff;}
.plan__price sup{font-size:1rem;font-weight:600;color:var(--navy);}
.plan--featured .plan__price sup{color:#fff;}
.plan__price span{font-size:0.8125rem;color:var(--muted);font-weight:500;}
.plan--featured .plan__price span{color:rgba(255,255,255,.7);}

.plan__contact-title{
  font-size:1.5rem;
  font-weight:800;
  color:var(--navy);
  margin:0;
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}

.plan__cta{width:100%;padding:12px;font-size:1rem;}

.plan__list{display:flex;flex-direction:column;gap:10px;}
.plan__list li{
  position:relative;
  padding-left:22px;
  font-size:1rem;
  color:var(--text);
}
.plan--featured .plan__list li{color:rgba(255,255,255,.9);}
.plan__list li::before{
  content:"✓";
  position:absolute;
  left:0;top:0;
  color:var(--teal);
  font-weight:700;
}
.plan__highlight{color:#FFB547 !important;font-weight:600;}
.plan--featured .plan__highlight::before{color:#FFB547;}

.pricing__foot{
  display:flex;align-items:center;justify-content:center;
  gap:10px;
  margin:40px 0 12px;
  color:var(--text);
  font-size:1rem;
  text-align:center;
  flex-wrap:wrap;
}
.pricing__hot{
  text-align:center;
  font-weight:600;
  color:var(--navy);
}
.pricing__hot a{color:var(--teal-dark);}
.pricing__cta{text-align:center;margin-top:24px;}

/* ====== Process ====== */
.process{
  background:linear-gradient(135deg, #0E1E3A 0%, #142A52 100%);
  color:#fff;
}
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  position:relative;
  margin-top:40px;
}
.steps::before{
  content:"";
  position:absolute;
  top:50px;
  left:8%;right:8%;
  height:2px;
  background:repeating-linear-gradient(90deg, rgba(255,255,255,.3) 0 6px, transparent 6px 12px);
  z-index:0;
}
.step{
  text-align:center;
  position:relative;
  z-index:1;
}
.step__num{
  width:100px;height:100px;
  margin:0 auto 18px;
  border-radius:50%;
  background:linear-gradient(135deg, #1B2D5C 0%, #0E1E3A 100%);
  border:2px solid rgba(255,255,255,.15);
  color:#fff;
  font-size:2.625rem;
  font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 30px -10px rgba(0,0,0,.5);
}
.step__title{margin:0 0 8px;font-size:1.25rem;font-weight:700;color:#fff;}
.step__desc{
  margin:0 0 14px;
  font-size:1rem;
  color:rgba(255,255,255,.7);
  max-width:200px;
  margin-left:auto;
  margin-right:auto;
}
.step__tag{
  display:inline-block;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(31,208,207,.2);
  color:var(--teal);
  font-size:0.75rem;
  font-weight:600;
  border:1px solid rgba(31,208,207,.4);
}

/* ====== Ticker ====== */
.ticker{
  background:var(--teal);
  color:#fff;
  padding:18px 0;
  overflow:hidden;
}
.ticker__track{
  display:flex;
  white-space:nowrap;
  animation:ticker 18s linear infinite;
  font-weight:700;
  font-size:1.125rem;
  letter-spacing:1px;
  will-change:transform;
}
.ticker__track span{flex-shrink:0;margin-right:60px;}
@keyframes ticker{
  from{transform:translateX(0);}
  to{transform:translateX(var(--ticker-shift,-50%));}
}

/* ====== Reviews ====== */
.reviews{background:var(--bg-soft);}
.reviews__dots{display:none;}
.reviews__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-top:40px;
}
.review{
  background:#fff;
  border-radius:var(--radius);
  padding:24px;
  display:flex;flex-direction:column;
  gap:16px;
  box-shadow:0 6px 20px -10px rgba(14,30,58,.12);
  border:1px solid var(--line);
  transition:transform .3s;
}
.review:hover{transform:translateY(-4px);}
.review__stars{color:#FFB547;font-size:1rem;letter-spacing:2px;}
.review__text{
  margin:0;
  font-size:1rem;
  color:var(--text);
  line-height:1.6;
  flex:1;
}
.review__by{
  display:flex;
  align-items:center;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
}
.review__avatar{
  width:40px;height:40px;border-radius:50%;
  background:var(--teal);
  flex-shrink:0;
}
.review__avatar--1{background:linear-gradient(135deg, #FF8E2E, #FFB547);}
.review__avatar--2{background:linear-gradient(135deg, #1FD0CF, #0FB5B5);}
.review__avatar--3{background:linear-gradient(135deg, #B7B2F7, #9A95F0);}
.review__avatar--4{background:linear-gradient(135deg, #C7F6D6, #1FD0CF);}
.review__by strong{display:block;font-size:0.875rem;color:var(--navy);font-weight:700;}
.review__by span{display:block;font-size:0.75rem;color:var(--muted);}

/* ====== Contact ====== */
.contact{background:var(--teal);color:#fff;}
.contact__inner{
  display:grid;
  grid-template-columns:2.4fr 1fr;
  gap:60px;
  align-items:start;
}
.contact__title{
  width:90%;
  font-size:clamp(1.625rem, 3.2vw, 2.25rem);
  font-weight:800;
  color:#fff;
  margin: 30px auto;
  max-width: 1440px;
  letter-spacing:-.5px;
}
.contact__form{
  background:rgba(255, 255, 255, 0.164);
  padding:30px;
  border-radius:var(--radius);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255, 255, 255, 0.459);
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.form__group{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.form__group label{font-size:0.875rem;font-weight:500;color:#fff;}
.form__group input,
.form__group textarea{
  padding:13px 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.95);
  color:var(--navy);
  font-size:0.875rem;
  font-family:inherit;
  transition:.2s;
}
.form__group input:focus,
.form__group textarea:focus{
  outline:none;
  border-color:#FFB547;
  background:#fff;
  box-shadow:0 0 0 4px rgba(255,181,71,.2);
}
.input-wrap input{width:100%;}
.input-wrap input.input--error{
  border-color:rgba(255,255,255,.2);
  background:#fff;
}
.form__error{
  display:none;
  font-size:0.75rem;
  color:#e53935;
  margin-top:4px;
}
.form__error.visible{display:block;}
.form__error--check{margin-top:6px;margin-bottom:12px;}
.form__check{
  display:flex;align-items:center;gap:10px;
  font-size:0.875rem;color:#fff;
  margin-bottom:6px;
  cursor:pointer;
}
.form__check input{width:18px;height:18px;accent-color:#FFB547;}
.form__check a{text-decoration:underline;}

.contact__submit{padding:14px 36px;}

/* CAPTCHA */
.captcha-wrap{margin-bottom:18px;}
.captcha__label{
  font-size:0.8rem;font-weight:600;color:#fff;
  margin:0 0 8px;
}
.captcha__row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.captcha__question{
  font-size:1.1rem;font-weight:700;color:#fff;
  background:rgba(255,255,255,.12);
  padding:10px 16px;border-radius:10px;
  letter-spacing:.05em;min-width:80px;text-align:center;
}
.captcha__eq{font-size:1rem;color:#fff;font-weight:600;}
.captcha__input{
  width:90px;
  padding:10px 14px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
  background:#fff;
  font-size:1rem;font-family:inherit;
  text-align:center;
}
.captcha__input:focus{outline:none;border-color:#FFB547;}
.captcha__refresh{
  width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.15);
  color:#fff;font-size:1.1rem;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
}
.captcha__refresh:hover{background:rgba(255,255,255,.28);}

.contact__info{
  padding-top:8px;
}
.contact__addr-title{
  font-size:1rem;
  line-height:1.7;
  color:#fff;
  margin:0 0 24px;
  font-weight:500;
}
.contact__list{display:flex;flex-direction:column;gap:14px;}
.contact__list li{
  display:flex;align-items:center;gap:12px;
  color:#fff;font-size:1rem;
}
.contact__list svg{width:20px;height:20px;flex-shrink:0;}
.contact__list a:hover{text-decoration:underline;}

/* ====== Footer ====== */
.footer{
  background:var(--navy);
  color:#fff;
  padding:20px 0;
}
.footer__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer p{margin:0;font-size:0.875rem;color:rgba(255,255,255,.85);}
.footer__cta{padding:10px 28px;font-size:0.875rem;}

/* ====== Video modal ====== */
.video-modal{
  position:fixed;inset:0;
  z-index:200;
  background:rgba(10,18,35,.88);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  opacity:0;
  transition:opacity .25s ease;
  pointer-events:none;
}
.video-modal:not([hidden]){opacity:1;pointer-events:auto;}
.video-modal[hidden]{display:flex !important;}
.video-modal__box{
  position:relative;
  width:100%;
  max-width:1440px;
}
.video-modal__ratio{
  position:relative;
  width:100%;
  padding-bottom:56.25%;
  border-radius:var(--radius);
  overflow:hidden;
  background:#000;
  box-shadow:0 40px 80px -20px rgba(0,0,0,.7);
}
.video-modal__ratio iframe{
  position:absolute;inset:0;
  width:100%;height:100%;
  border:0;
}
.video-modal__close{
  position:absolute;
  top:-44px;right:0;
  width:36px;height:36px;
  border-radius:50%;
  background:rgba(255,255,255,.15);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s;
  border:0;cursor:pointer;
  flex-shrink:0;
}
.video-modal__close:hover{background:rgba(255,255,255,.3);}
.video-modal__close svg{width:18px;height:18px;}

/* ====== Floating buttons group ====== */
.float-cta{display:none;}
.float-group{
  position:fixed;
  bottom:24px;right:24px;
  z-index:40;
  display:flex;
  align-items:center;
  gap:10px;
}

/* Shared base cho các nút float */
.float-btn,
.zalo-float{
  display:flex;
  align-items:center;
  justify-content:center;
  height:56px;
  border-radius:999px;
  color:#fff;
  font-weight:700;
  font-size:0.875rem;
  text-decoration:none;
  flex-shrink:0;
  transition:transform .2s ease, box-shadow .2s ease;
}
.float-btn:hover,
.zalo-float:hover{
  transform:translateY(-3px);
}

/* Nút Báo giá */
.float-btn--price{
  padding:0 35px;
  background:linear-gradient(135deg, #FFB547 0%, #FF8E2E 100%);
  box-shadow:0 10px 25px -5px rgba(255,142,46,.55);
  white-space:nowrap;
  animation:pulse-price 2.5s infinite;
}
@keyframes pulse-price{
  0%,100%{box-shadow:0 10px 25px -5px rgba(255,142,46,.55);}
  50%{box-shadow:0 10px 25px -5px rgba(255,142,46,.8), 0 0 0 10px rgba(255,142,46,.1);}
}

/* Nút Phone */
.float-btn--phone{
  width:56px;
  background:#2DCB6A;
  box-shadow:0 10px 25px -5px rgba(45,203,106,.55);
  animation:pulse-phone 2.5s infinite 0.4s;
}
.float-btn--phone svg{
  width:24px;height:24px;
  flex-shrink:0;
}
@keyframes pulse-phone{
  0%,100%{box-shadow:0 10px 25px -5px rgba(45,203,106,.55);}
  50%{box-shadow:0 10px 25px -5px rgba(45,203,106,.8), 0 0 0 10px rgba(45,203,106,.1);}
}

/* Nút Zalo */
.zalo-float{
  width:56px;
  background:#0068FF;
  box-shadow:0 10px 25px -5px rgba(0,104,255,.5);
  animation:pulse-zalo 2.5s infinite 0.8s;
}
@keyframes pulse-zalo{
  0%,100%{box-shadow:0 10px 25px -5px rgba(0,104,255,.5);}
  50%{box-shadow:0 10px 25px -5px rgba(0,104,255,.8), 0 0 0 10px rgba(0,104,255,.1);}
}

/* =========================
   RESPONSIVE
   ========================= */

/* Tablet */
@media (max-width: 1024px){
  .pricing__scroll{
    grid-template-columns:repeat(3, 280px);
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:20px;
    -webkit-overflow-scrolling:touch;
  }
  .plan{scroll-snap-align:start;}
  .plan--featured{transform:none;}

  .reviews__grid{grid-template-columns:repeat(2,1fr);}

  .role__inner{grid-template-columns:1fr;gap:40px;}
  .role__inner--reverse .role__visual{order:2;}
  .role__inner--reverse .role__text{order:1;}
  .role--hr .role__visual{order:2;}
  .role--hr .role__text{order:1;}

  .smart__grid{grid-template-columns:1fr;gap:30px;}
  .smart__col{flex-direction:row;flex-wrap:wrap;justify-content:center;}
  .smart__col--left,
  .smart__col--right{align-items:center;}
  .smart__col--left{order:1;justify-content:flex-start;align-items:flex-start;}
  .smart__col--right{order:2;}
  .smart__phone{order:3;}

  .hero__inner{grid-template-columns:1fr;gap:50px;text-align:center;}
  .hero__desc{margin-left:auto;margin-right:auto;}
  .hero__video{margin:0 auto;}

  .steps{grid-template-columns:repeat(2, 1fr);gap:40px 20px;}
  .steps::before{display:none;}
}

/* Mobile */
@media (max-width: 768px){
  .container{padding:0 18px; width: 100%; gap:10px;}
  .section{padding:56px 0;}
  .role--hr {width:90%}
  .role--emp {width:90%}
  .role {padding-bottom: 0px;}

  /* Header */
  .nav{
    width:100%;
    position:fixed;
    top:74px;right:0;
    background:#fff;
    flex-direction:column;
    gap:0;
    padding:0;
    max-height:0;
    overflow:hidden;
    box-shadow:0 10px 24px -8px rgba(14,30,58,.15);
    transition:max-height .3s ease;
    border-top:1px solid var(--line);
  }
  .nav.is-open{max-height:300px;}
  .nav__link{padding:14px 24px;border-bottom:1px solid var(--line);width:100%; text-align: center;}
  .nav__link:last-child{border-bottom:0;}
  .header__cta{display:none;}
  .float-cta{display:flex;align-items:center;height:48px;padding:0 22px;font-size:0.75rem;border-radius:100px;}
  .lang-toggle{font-size:0.8rem;padding:12px 12px;}
  .hamburger{display:flex;}

  /* Hero */
  .hero__inner{padding:40px 20px;}
  .hero__visual{display:none;}

  /* Pricing */
  .pricing__scroll{
    display:flex;
    flex-direction:column;
    gap:16px;
    overflow-x:visible;
    padding:0;
  }
  .hero-stack .hero{position:unset;transform:none !important;opacity:1 !important;}
  .hero-stack .smart{z-index:unset;}
  .role-stack .role--hr, .role-stack .role--emp.role-stack .role--hr, .role-stack .role--emp {
    position: unset;
    transform: none !important;
    margin-bottom: 20px;
  }
  .plan{scroll-snap-align:unset;}

  /* Smart */
  .feature-pill{min-width:0;width:100%;}
  .smart__col--left .feature-pill{flex-direction:row;justify-content:flex-start;}
  .smart__col--left .feature-pill__check{order:-1;}
  .smart__col--left .feature-pill__label{order:0;}


  /* Pricing */
  .plan--featured{transform:none;}

  /* Reviews — horizontal scroll */
  .reviews__grid{
    display:flex;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    gap:16px;
    padding-bottom:12px;
    scrollbar-width:none;
    grid-template-columns:unset;
  }
  .reviews__grid::-webkit-scrollbar{display:none;}
  .review{width:100%; min-width:100%;scroll-snap-align:start;flex-shrink:0;}
  .reviews__dots{
    display:flex;justify-content:center;gap:8px;margin-top:20px;
  }
  .reviews__dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--line);border:none;padding:0;cursor:pointer;
    transition:background .25s, transform .25s;
  }
  .reviews__dot.is-active{background:var(--teal);transform:scale(1.3);}


  /* Process */
  .steps{grid-template-columns:1fr 1fr;gap:32px 20px;}
  .step__num{width:80px;height:80px;font-size:2rem;}


  /* Contact */
  .contact__inner{grid-template-columns:1fr;gap:36px;}
  .contact__form{padding:20px;}
  .form__row{grid-template-columns:1fr;gap:0;margin-bottom:0;}
  .contact{padding-top:1px;}

  /* Footer */
  .footer__inner{flex-direction:column;text-align:center;}

  .ticker__track{font-size:0.875rem;}
  .ticker__track span{margin-right:30px;}

  .float-group{bottom:18px;right:18px;gap:8px;}
  .float-btn,.zalo-float{height:48px;font-size:0.75rem;}
  .float-btn--phone,.zalo-float{width:48px;}
  .float-btn--price{padding:0 28px;}
  .float-btn--phone svg{width:20px;height:20px;}
}

@media (max-width: 480px){
  .hero__title{font-size:2.5rem;}
  .section__title{font-size:clamp(1.75rem, 3.4vw, 2.5rem);}
  .plan{padding:20px 18px;}
  .review{padding:20px;}
}