/* =========================
   ABOUTUS – FULL STYLE (match screenshot)
========================= */

.about-page{
  background:#fff;
  color:#1c1d1f;
}

/* ===== HERO band full width (#f7f9fa) ===== */
.about-hero{
  position:relative;
  padding: 64px 0 48px;
  z-index:1;
}

/* full-bleed background like your hero-dark technique */
.about-hero::before{
  content:"";
  position:absolute;
  top:0; bottom:0;
  left:50%; right:50%;
  margin-left:-50vw;
  margin-right:-50vw;
  background:#f7f9fa;
  z-index:-1;
}

.about-hero-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items:center;
}

.about-hero-left{
  padding-top: 6px;
}

.about-hero-title{
  font-size: clamp(2.3rem, 4.5vw, 3.35rem);
  line-height: 1.12;
  font-weight: 800;
  margin:0;
  letter-spacing: -.2px;
}

.about-hero-media{
  position:relative;
  justify-self:end;
  display:flex;
  align-items:flex-end;
  min-height: 260px;
}

.about-hero-hex{
  position:absolute;
  width: 320px;
  height: 320px;
  right: 70px;
  top: 50%;
  transform: translateY(-45%);
  background: linear-gradient(135deg, #a435f0, #6d28d2);
  clip-path: polygon(25% 6%, 75% 6%, 100% 50%, 75% 94%, 25% 94%, 0% 50%);
  z-index:1;
  opacity: .98;
}

.about-hero-img{
  position:relative;
  z-index:2;
  width: min(420px, 100%);
  height: auto;
  display:block;
  border-radius: 0; /* screenshot looks “cut” style, not card */
}

/* ===== CENTER title/desc ===== */
.about-center{
  padding: 4rem 0;
  background:#fff;
}

.about-center-inner{
  max-width: 720px;
  margin: 0 auto;
  text-align:center;
}

.about-center-title{
  font-size: clamp(1.9rem, 3.2vw, 2.55rem);
  line-height: 1.2;
  font-weight: 800;
  margin:0 0 14px;
  letter-spacing: -.2px;
}

.about-center-desc{
  margin:0;
  color:#5f6368;
  line-height: 1.75;
  font-size: 1rem;
}

/* ===== STORY block (video left, text right) ===== */
.about-story{
  /*padding: 90px 0 110px;*/
}

.about-story-grid{
  display:grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 80px;
  align-items:center;
}


.about-story-title{
  font-size: clamp(1.65rem, 2.6vw, 2.15rem);
  font-weight: 800;
  line-height: 1.25;
  margin:0 0 12px;
}

.about-story-desc{
  margin:0;
  color:#5f6368;
  line-height: 1.75;
  font-size: 1rem;
}

/* ===== MODAL (simple + clean) ===== */
.about-modal{
  position:fixed;
  inset:0;
  display:none;
  z-index: 3000;
}

.about-modal.is-open{ display:block; }

.about-modal-backdrop{
  position:absolute;
  inset:0;
  background: rgba(0,0,0,.6);
}

.about-modal-dialog{
  position:relative;
  max-width: 980px;
  margin: 6vh auto;
  border-radius: 14px;
  overflow:hidden;
  background:#000;
  box-shadow: 0 24px 70px rgba(0,0,0,.45);
}

.about-modal-video video{
  width:100%;
  height:auto;
  display:block;
}

.about-modal-close{
  position:absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border:0;
  background: rgba(0,0,0,.55);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  z-index:2;
}

/* =========================
   RESPONSIVE – giống ảnh mobile bạn gửi
========================= */
@media (max-width: 991.98px){
  .about-hero{
    padding: 44px 0 26px;
  }

  .about-hero-grid{
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .about-hero-media{
    justify-self: start;
    width: 100%;
    min-height: auto;
  }

  .about-hero-hex{
    width: 240px;
    height: 240px;
    right: 22%;
    top: 55%;
    transform: translateY(-50%);
  }

  .about-hero-img{
    width: min(360px, 86vw);
  }

  .about-center{
    padding: 56px 0 60px;
  }

  .about-story{
    padding: 56px 0 70px;
  }

  .about-story-grid{
    grid-template-columns: 1fr;
    gap: 22px;
  }
}

@media (max-width: 575.98px){
  .about-hero-title{
    font-size: 2.05rem;
  }

  .about-hero-hex{
    width: 210px;
    height: 210px;
    right: 16%;
  }

  .about-modal-dialog{
    margin: 10vh 12px;
  }
}


.about-story-text{
  position: relative;
  padding: 32px 28px;
  z-index: 1;
}

/* dải nền mờ phía sau */
.about-story-text::before{
  content:"";
  position:absolute;
  left: -100vw;
  right: -100vw;
  top: 50%;
  height: 90%;
  transform: translateY(-50%);
  background: #f7f9fa;
  border-radius: 18px;
  z-index: -1;
}


.about-media{
  position: relative;
  width: 100%;
  z-index:1000;
}

.about-image-wrap{
  position: relative;
  overflow: hidden;
}

.about-image{
  width: 100%;
  height: auto;
  display: block;
}

/* Play button */
.about-play{
  position: absolute;
  inset: 0;
  margin: auto;
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: transparent;
  border:1px solid white;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
  z-index:1000000;
  transform: scale(1.08);
}

.about-play:hover{
  transform: scale(1.2);
}

/* VIDEO */
.about-video-wrap{
  display: none;
  border-radius: 16px;
  overflow: hidden;
}

.about-video-wrap video{
  width: 100%;
  height: auto;
  display: block;
}






/* =========================================================
   ABOUT EXTRA (NO CONFLICT) - prefix: aboutx-
   ========================================================= */

.aboutx-block{
  padding: 2rem 0;
}

.aboutx-head{
  max-width: 780px;
  margin-bottom: 22px;
}

.aboutx-kicker{
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 800;
  color:#6a6f73;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.aboutx-title{
  font-size: 32px;
  line-height: 1.1;
  font-weight: 900;
  color:#1c1d1f;
  margin: 0 0 10px;
}

.aboutx-sub{
  color:#2d2f31;
  opacity: .9;
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
}

/* ===== Our Story cards ===== */
.aboutx-story-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.aboutx-story-card{
  border:1px solid #e9eaf2;
  border-radius: 14px;
  padding: 18px;
  background:#fff;
}

.aboutx-story-card-title{
  font-weight: 900;
  color:#1c1d1f;
  margin-bottom: 8px;
}

.aboutx-story-card-desc{
  margin:0;
  color:#2d2f31;
  opacity:.9;
  line-height: 1.6;
  font-size: 14.5px;
}

/* ===== What makes us different ===== */
.aboutx-diff-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.aboutx-diff-item{
  border:1px solid #e9eaf2;
  border-radius: 14px;
  background:#fff;
  padding: 18px;
  display:flex;
  gap: 14px;
  align-items:flex-start;
}

.aboutx-diff-ic{
  width:44px;
  height:44px;
  border-radius: 999px;
  background:#f6f7f9;
  display:flex;
  align-items:center;
  justify-content:center;
  flex: 0 0 auto;
}

.aboutx-diff-ic i{
  font-size: 20px;
  color: #2d2f31;
}

.aboutx-diff-title{
  font-weight: 900;
  color:#1c1d1f;
  margin-bottom: 6px;
}

.aboutx-diff-desc{
  margin:0;
  color:#2d2f31;
  opacity:.9;
  line-height: 1.6;
  font-size: 14.5px;
}

/* ===== Mission box (CoursePerks-ish) ===== */
.aboutx-mission-box{
  border:1px solid #e9eaf2;
  border-radius: 18px;
  background:#fff;
  padding: 22px;
  display:grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
  align-items:start;
}

.aboutx-mission-actions{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.aboutx-mission-more{
  margin-top: 12px;
  display:none;
}

.aboutx-mission-more.is-open{
  display:block;
}

.aboutx-mission-more-inner{
  border-top:1px solid rgba(0,0,0,.08);
  padding-top: 14px;
  color:#2d2f31;
  opacity:.95;
}

.aboutx-mission-list{
  margin: 0;
  padding-left: 18px;
}
.aboutx-mission-list li{
  margin: 6px 0;
}

.aboutx-mission-right{
  border-left: 1px solid rgba(0,0,0,.08);
  padding-left: 18px;
  display:grid;
  gap: 12px;
}

.aboutx-mission-stat{
  border:1px solid rgba(0,0,0,.08);
  border-radius: 14px;
  padding: 14px;
  background:#f7f9fa;
}

.aboutx-mission-stat-num{
  font-weight: 900;
  font-size: 22px;
  color:#1c1d1f;
  margin-bottom: 2px;
}

.aboutx-mission-stat-label{
  color:#6a6f73;
  font-size: 13px;
  font-weight: 700;
}

/* ===== Responsive ===== */
@media (max-width: 991.98px){
  .aboutx-title{ font-size: 26px; }

  .aboutx-story-grid{
    grid-template-columns: 1fr;
  }
  .aboutx-diff-grid{
    grid-template-columns: 1fr;
  }
  .aboutx-mission-box{
    grid-template-columns: 1fr;
  }
  .aboutx-mission-right{
    border-left: 0;
    padding-left: 0;
  }
}