/* ==========================================================================
   REDESIGN 2026 — Trang chu (Hero / Role Selector / Visual Showcase / B2B)
   Nhanh: feature/ui-ux-redesign-2026 — theo MISSION BRIEF UI/UX cua Eric.

   Pham vi: CHI anh huong #page-home (trang chu) va .atm-cookie-banner (toan site).
   KHONG dong den bien --color-blue / class dung chung trong style.css de tranh
   anh huong cac trang khac (~100+ trang dang dung style.css hien tai).
   ========================================================================== */

#page-home {
    /* ---- Design tokens (chi scope trong #page-home) ---- */
    --atm-primary: #235FA8;
    --atm-primary-light: #1E88E5;
    --atm-accent: #D88A27;
    --atm-success: #48A042;
    --atm-bg-page: #F8FAFC;
    --atm-white: #FFFFFF;
    --atm-bg-b2b: #EDF4F9;
    --atm-text-dark: #0F172A;
    --atm-text-body: #475569;
    --atm-text-muted: #94A3B8;

    --atm-font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --atm-font-body: 'Inter', 'Be Vietnam Pro', sans-serif;

    background: var(--atm-bg-page);
}

#page-home h1, #page-home h2, #page-home h3, #page-home h4 {
    font-family: var(--atm-font-heading);
    color: var(--atm-text-dark);
}

#page-home p, #page-home span, #page-home a, #page-home li {
    font-family: var(--atm-font-body);
}

#page-home .atm-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

/* --------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------- */
#page-home #atm-hero {
    padding: 56px 0;
    background: linear-gradient(180deg, var(--atm-bg-b2b) 0%, var(--atm-bg-page) 100%);
    overflow: hidden;
}

#page-home .atm-hero__grid {
    display: flex;
    align-items: center;
    gap: 40px;
}

#page-home .atm-hero__content {
    flex: 1 1 50%;
    min-width: 0;
}

#page-home .atm-hero__media {
    flex: 1 1 50%;
    min-width: 0;
    text-align: center;
}

#page-home .atm-hero__media img {
    max-width: 100%;
    width: 560px;
    height: auto;
}

/* 2026-09-18 (Eric): Hero doi anh tinh -> owl-carousel tu chay qua nhieu anh
   "Nhan su chuyen nghiep" (cung co che voi carousel logo doi tac ben duoi).
   2026-09-19 (Eric, vong 7): "tang chieu ngang anh ben tay phai de anh hien
   day du" - 2 viec: (1) rong 420px -> 560px (gan het co RONG cot 50% con
   lai cua .atm-hero__grid, container 1200px - xem tinh toan trong commit),
   (2) doi ty le khung tu 4:3 (1.33) qua 16:9 (1.78, gan voi ty le that cua
   8 anh hero-slide-*.webp dang dung, ~1.76-2.07) + object-fit:contain (thay
   vi cover) de KHONG con cat anh nua, dung MAU XANH THUONG HIEU lam nen 2
   ben (cung 1 cach da dung cho .slider .carousel-item img phia tren). */
#page-home .atm-hero__slider {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
    border-radius: 14px;
    overflow: hidden;
}

#page-home .atm-hero__slider .item {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #2da0f2;
}

#page-home .atm-hero__slider .item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 2026-09-18 (Eric, phan hoi sau deploy that): banner slider CU (admin quan
   ly qua bang `sliders`, KHONG phai code redesign) bi crop qua nang tren
   desktop - container 540px cao x ~1400px rong (ty le ~2.6:1) ep object-fit:
   cover len anh that (thuong ty le ~16:9 hoac ~4:3), cat mat phan lon anh.
   Sua bang cach doi sang contain + nen (khong mat noi dung anh), CHI cho
   #page-home (component nay chi dung o trang chu - da xac nhan qua grep) -
   khong dong den style.css dung chung cho ~100+ trang khac.
   2026-09-18 (vong 2): Eric bao 2 ben letterbox mau DEN nhin la, doi sang
   dung DUNG mau xanh thuong hieu cua site (#2da0f2 - lay tu chinh
   background-color cua #atm-reason/#our-partners trong style.css dong
   1211, khong bia mau moi). */
#page-home .slider .carousel-inner .carousel-item img {
    object-fit: contain;
    background: #2da0f2;
}

#page-home .atm-hero__eyebrow {
    display: inline-block;
    color: var(--atm-primary);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

/* 2026-09-18 (Eric): chen mascot truoc tieu de, cao bang dung 2 dong tieu de
   (dung flex align-items:stretch de mascot tu gian theo chieu cao h1). */
#page-home .atm-hero__title-row {
    display: flex;
    align-items: stretch;
    gap: 16px;
    margin-bottom: 16px;
}

#page-home .atm-hero__title-mascot {
    width: auto;
    /* 2026-09-18 (Eric, vong 4): mascot cao bang h1 lam h1 bi hep qua, chu
       "vụ"/"sạn" bi day xuong dong rieng. Gioi han max-width de tra lai du
       cho tieu de xuong dung 2 dong nhu thiet ke ban dau (truoc khi co
       mascot), khong con "stretch" tuyet doi theo chieu cao h1 nua. */
    max-width: 90px;
    flex-shrink: 0;
}

#page-home .atm-hero__title {
    font-size: 35px;
    line-height: 1.15;
    font-weight: 800;
    margin: 0;
}

@media (max-width: 991px) {
    #page-home .atm-hero__title { font-size: 32px; }
}

@media (max-width: 767px) {
    /* Tren mobile tieu de xuong nhieu dong hon (man hinh hep) nen "cao bang
       2 dong" se lam mascot phong qua to - gioi han lai o mobile cho gon. */
    #page-home .atm-hero__title-row { justify-content: center; align-items: center; }
    #page-home .atm-hero__title-mascot { height: 90px !important; width: auto; }
}

#page-home .atm-hero__subtitle {
    font-size: 16px;
    color: var(--atm-text-body);
    margin: 0 0 28px;
    max-width: 520px;
}

#page-home .atm-hero__ctas {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

#page-home .atm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
    border: 2px solid transparent;
}

#page-home .atm-btn:hover { transform: translateY(-1px); text-decoration: none; }

#page-home .atm-btn--primary {
    background: var(--atm-primary);
    color: var(--atm-white);
    box-shadow: 0 6px 16px rgba(35, 95, 168, .25);
}

#page-home .atm-btn--primary:hover { background: var(--atm-primary-light); color: var(--atm-white); }

#page-home .atm-btn--outline {
    background: transparent;
    color: var(--atm-primary);
    border-color: var(--atm-primary);
}

#page-home .atm-btn--outline:hover { background: var(--atm-bg-b2b); color: var(--atm-primary); }

@media (max-width: 767px) {
    #page-home .atm-hero__grid { flex-direction: column; }
    #page-home .atm-hero__content { order: 1; text-align: center; }
    /* 2026-09-19 (vong 7): phat hien khi tang .atm-hero__media img len 560px -
       ".atm-hero__grid" co "align-items:center", trong flex-direction:column
       thi align-items dieu khien truc NGANG (cross-axis) bang cach CO KHUNG
       VE VUA NOI DUNG (shrink-to-fit) thay vi keo dan het chieu rong cot,
       nen ".atm-hero__media" tu rong ra bang dung 560px (chieu rong co dinh
       cua img) DU man hinh mobile chi ~343px - bi trang overflow 2 ben, chi
       khong thay vi "#atm-hero{overflow:hidden}" che di (khong phai da sua
       dung). Ep rong 100% + bo chieu rong co dinh cua slider/img khi da
       xep chong (column) de an toan that su, khong chi che di. */
    #page-home .atm-hero__media { order: 2; width: 100%; }
    #page-home .atm-hero__ctas { justify-content: center; }
    #page-home .atm-hero__subtitle { margin-left: auto; margin-right: auto; }
}

/* --------------------------------------------------------------------
   INTERACTIVE ROLE SELECTOR
   -------------------------------------------------------------------- */
#page-home #atm-role-selector {
    padding: 64px 0;
}

#page-home .atm-section__title {
    font-size: 30px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

#page-home .atm-section__subtitle {
    text-align: center;
    color: var(--atm-text-body);
    font-size: 15px;
    margin-bottom: 32px;
}

#page-home .atm-role-tabs-wrap {
    position: relative;
}

/* 2026-09-18 (Eric): hover vao 1 nganh se "zoom out" + slide qua anh that cua
   nganh do - popover noi len tren hang tab, khong lam xo lech layout. */
#page-home .atm-role-hover-preview {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 14px);
    transform: translateX(-50%);
    width: 320px;
    height: 190px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--atm-text-dark);
    box-shadow: 0 20px 40px rgba(15, 23, 42, .25);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
    z-index: 5;
}

#page-home .atm-role-hover-preview.is-visible {
    opacity: 1;
}

#page-home .atm-role-hover-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.15);
}

#page-home .atm-role-hover-preview img.is-zoomed {
    opacity: 1;
    transform: scale(1);
    transition: transform .8s ease-out, opacity .4s ease-out;
}

@media (max-width: 767px) {
    #page-home .atm-role-hover-preview { display: none; }
}

#page-home .atm-role-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

#page-home .atm-role-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px 8px 10px;
    border-radius: 999px;
    border: 2px solid #E2E8F0;
    background: var(--atm-white);
    color: var(--atm-text-body);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all .15s ease;
}

#page-home .atm-role-tab img { width: 30px; height: 30px; object-fit: contain; }

#page-home .atm-role-tab:hover {
    border-color: var(--atm-primary-light);
}

#page-home .atm-role-tab.is-active {
    background: var(--atm-primary);
    border-color: var(--atm-primary);
    color: var(--atm-white);
}

#page-home .atm-role-panel {
    display: none;
}

#page-home .atm-role-panel.is-active {
    display: block;
    animation: atmFadeIn .35s ease;
}

@keyframes atmFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

#page-home .atm-course-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

@media (max-width: 1199px) {
    #page-home .atm-course-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
    #page-home .atm-course-grid { grid-template-columns: 1fr; }
}

/* 2026-09-18 (Eric): lap khoang trang con lai cua luoi 4 cot (khi 1 nganh co
   it hon 4 khoa) bang slideshow anh that cua dung nganh do, thay vi de trong.
   2026-09-18 (vong 2): Eric bao anh nay dang QUA TO/rong ep khoi khoa hoc
   ben trai nhin "roi rac" - truoc dung aspect-ratio 4/3 tren toan bo chieu
   rong span (2-3 cot) nen chieu cao bi doi len ~650px, gap doi chieu cao
   1 the khoa hoc (~340px). Sua: dong khung nhu 1 "the" trang giong het
   .atm-course-card (nen trang, bo, shadow, be tron), gioi han chieu cao
   CO DINH bang dung chieu cao 1 the khoa hoc, khong con phu thuoc chieu rong. */
#page-home .atm-course-grid__filler {
    background: var(--atm-white);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(15, 23, 42, .06);
    overflow: hidden;
    height: 344px;
    padding: 10px;
}

#page-home .atm-course-grid__filler-slider,
#page-home .atm-course-grid__filler-slider .owl-stage-outer,
#page-home .atm-course-grid__filler-slider .owl-stage,
#page-home .atm-course-grid__filler-slider .owl-item,
#page-home .atm-course-grid__filler-slider .item {
    height: 100%;
}

#page-home .atm-course-grid__filler-slider .item {
    border-radius: 8px;
    overflow: hidden;
    background: var(--atm-bg-page);
    display: flex;
}

/* 2026-09-18 (Eric, vong 4): "cover" dang cat mat dau nguoi / khong hien
   tron ven hinh trai tim trong 1 vai anh - doi sang "contain" (giong het
   cach da sua cho Visual Showcase truoc do) de KHONG BAO GIO cat anh, du
   la hep khoang trong 2 ben (nen nhat --atm-bg-page cho de chiu, khong con
   trang thuan de khong bi "loe" canh voi khung the trang ben ngoai). */
/* 2026-09-19 (Eric, vong 5): "contain" de trong 2 ben trong khung the trang -
   khong "vua van" nhu Eric muon. Quay lai "cover" de lap day khung dep da
   tao, nhung dung object-position:top (thay vi center mac dinh) de UU TIEN
   giu phan DAU anh (thuong la mat/dau nguoi) khi phai cat bot - tranh lap
   lai dung loi "mat dau nguoi" da sua o vong 4. */
#page-home .atm-course-grid__filler-slider .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

@media (max-width: 1199px) {
    #page-home .atm-course-grid__filler { grid-column: 1 / -1 !important; height: 280px; }
}

#page-home .atm-course-card {
    background: var(--atm-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(15, 23, 42, .06);
    display: flex;
    flex-direction: column;
    transition: transform .15s ease, box-shadow .15s ease;
}

#page-home .atm-course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, .10);
}

#page-home .atm-course-card__thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--atm-bg-b2b);
}

#page-home .atm-course-card__body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

#page-home .atm-course-card__title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--atm-text-dark);
}

#page-home .atm-course-card__meta {
    display: flex;
    gap: 14px;
    color: var(--atm-text-muted);
    font-size: 13px;
    margin-bottom: 12px;
}

#page-home .atm-course-card__price {
    margin-top: auto;
    display: flex;
    align-items: baseline;
    gap: 8px;
    margin-bottom: 14px;
}

#page-home .atm-course-card__price-final {
    font-size: 18px;
    font-weight: 800;
    color: var(--atm-accent);
}

#page-home .atm-course-card__price-old {
    font-size: 13px;
    color: var(--atm-text-muted);
    text-decoration: line-through;
}

#page-home .atm-course-card__cta {
    display: block;
    text-align: center;
    padding: 10px;
    border-radius: 8px;
    background: var(--atm-primary);
    color: var(--atm-white);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
}

#page-home .atm-course-card__cta:hover { background: var(--atm-primary-light); color: var(--atm-white); text-decoration: none; }

#page-home .atm-role-panel__empty {
    text-align: center;
    color: var(--atm-text-muted);
    padding: 40px 0;
}

#page-home .atm-role-panel__footer {
    text-align: center;
    margin-top: 24px;
}

/* "Tai lieu tham khao" - tach rieng khoi 4 tab nganh nghe (khong phai khoa hoc) */
#page-home .atm-ref-card {
    margin-top: 32px;
    padding: 18px 22px;
    border-radius: 12px;
    background: var(--atm-bg-page);
    border: 1px dashed #CBD5E1;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

#page-home .atm-ref-card img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    flex-shrink: 0;
}

#page-home .atm-ref-card__text {
    flex: 1 1 auto;
    min-width: 200px;
}

#page-home .atm-ref-card__text h4 {
    margin: 0 0 2px;
    font-size: 15px;
    font-weight: 700;
    color: var(--atm-text-dark);
}

#page-home .atm-ref-card__text p {
    margin: 0;
    font-size: 13px;
    color: var(--atm-text-body);
}

/* --------------------------------------------------------------------
   VISUAL PROGRAM EXPLORER
   -------------------------------------------------------------------- */
#page-home #atm-visual-showcase {
    padding: 64px 0;
    background: var(--atm-white);
}

#page-home .atm-showcase__grid {
    display: flex;
    gap: 32px;
    align-items: stretch;
}

#page-home .atm-showcase__media {
    flex: 1 1 55%;
    min-width: 0;
    border-radius: 14px;
    overflow: hidden;
    background: #0F172A;
    display: flex;
}

#page-home .atm-showcase__media video,
#page-home .atm-showcase__media img {
    width: 100%;
    height: 100%;
    /* 2026-09-18 (Eric): "cho ảnh hiện đầy đủ" - doi tu cover sang contain de
       khong cat mat noi dung anh, nen toi #0F172A o tren lam khung letterbox. */
    object-fit: contain;
}

#page-home .atm-showcase__triggers {
    flex: 1 1 45%;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#page-home .atm-trigger-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #E2E8F0;
    background: var(--atm-bg-page);
    text-align: left;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: border-color .15s ease, background .15s ease;
}

#page-home .atm-trigger-card:hover { text-decoration: none; color: inherit; }

/* 2026-09-19 (Eric): dong "bai trai nghiem" that duoi moi nghiep vu - co the
   bam de mo thang bai hoc (xem redesign-2026.js), nen them gach chan +
   con tro tay de bao hieu day la link rieng, khac voi phan con lai cua the
   (chi doi anh preview). */
#page-home .atm-trigger-card__trial {
    margin-top: 4px;
    font-size: 12px;
    color: var(--atm-primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

#page-home .atm-trigger-card__trial:hover { color: var(--atm-primary-dark, var(--atm-primary)); }

#page-home .atm-trigger-card__trial em {
    color: var(--atm-text-muted);
    font-weight: 500;
    font-style: normal;
    text-decoration: none;
}

#page-home .atm-trigger-card:hover {
    border-color: var(--atm-primary-light);
    background: var(--atm-bg-b2b);
}

#page-home .atm-trigger-card.is-active {
    border-color: var(--atm-primary);
    background: var(--atm-bg-b2b);
}

#page-home .atm-trigger-card__icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--atm-white);
}

#page-home .atm-trigger-card__icon img { width: 34px; height: 34px; object-fit: contain; }

#page-home .atm-trigger-card__title {
    font-weight: 700;
    font-size: 15px;
    color: var(--atm-text-dark);
    margin: 0 0 2px;
}

#page-home .atm-trigger-card__desc {
    font-size: 13px;
    color: var(--atm-text-body);
    margin: 0;
}

#page-home .atm-trigger-card--mascot .atm-trigger-card__icon {
    background: var(--atm-bg-b2b);
}

@media (max-width: 767px) {
    #page-home .atm-showcase__grid { flex-direction: column; }
    #page-home .atm-showcase__media { aspect-ratio: 16 / 9; }
}

/* --------------------------------------------------------------------
   B2B CORPORATE TRAINING SECTION
   -------------------------------------------------------------------- */
#page-home #atm-b2b {
    padding: 56px 0;
}

#page-home .atm-b2b__box {
    background: var(--atm-bg-b2b);
    border: 1px solid var(--atm-success);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

#page-home .atm-b2b__photo {
    flex: 1 1 340px;
    min-width: 260px;
    border-radius: 12px;
    overflow: hidden;
    line-height: 0;
}

#page-home .atm-b2b__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

/* 2026-09-18 (Eric): "cho ảnh slide ở đây giống như phần logo các đối tác" */
#page-home .atm-b2b__slider .item {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

#page-home .atm-b2b__slider .item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#page-home .atm-b2b__text { flex: 1 1 320px; min-width: 260px; }

#page-home .atm-b2b__title {
    font-size: 26px;
    font-weight: 800;
    margin: 0 0 8px;
}

#page-home .atm-b2b__desc {
    color: var(--atm-text-body);
    font-size: 15px;
    margin: 0 0 20px;
}

#page-home .atm-b2b__cta {
    flex-shrink: 0;
}

@media (max-width: 575px) {
    #page-home .atm-b2b__box { padding: 24px 20px; text-align: center; }
    #page-home .atm-b2b__cta { display: flex; justify-content: center; }
}

/* ==========================================================================
   COOKIE CONSENT BANNER — toan site (khong scope #page-home), toi gian, <=48px,
   khong phai popup che man hinh (tranh anti-pattern nhu ahlei.servsafebrands.com).
   ========================================================================== */
.atm-cookie-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 100000;
    background: #0F172A;
    color: #F8FAFC;
    padding: 10px 16px;
    display: none;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, .18);
}

.atm-cookie-banner.is-visible { display: flex; }

.atm-cookie-banner__text { margin: 0; max-width: 720px; }

.atm-cookie-banner__text a { color: #93C5FD; text-decoration: underline; }

.atm-cookie-banner__btn {
    flex-shrink: 0;
    background: #235FA8;
    color: #fff;
    border: none;
    padding: 7px 18px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
}

.atm-cookie-banner__btn:hover { background: #1E88E5; }

@media (max-width: 575px) {
    .atm-cookie-banner { justify-content: flex-start; text-align: left; }
}

/* 2026-09-18 (Eric): dong trich dan lon, rieng, ben duoi hang 4 icon "Ly do
   ban nen hoc" (thay vi nhet vao trong 1 the) - #atm-reason co nen xanh +
   tieu de trang co san (style.css dong ~1163), nen dung chu trang cho dong
   nay de dong bo, khong dung mau den nhu phac thao (de bao dam do tuong phan
   tren nen xanh). */
#page-home #atm-reason .atm-reason__quote {
    margin: 28px 0 0;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    font-style: italic;
}

@media (max-width: 575px) {
    #page-home #atm-reason .atm-reason__quote { font-size: 17px; }
}