/* =========================================================================
   Trang Giới thiệu (/gioi-thieu/) — Eco Terra Pack
   File này CHỈ được nạp khi is_page('gioi-thieu') (xem functions.php).
   Mọi luật đều nằm dưới .etp-about nên không ảnh hưởng trang chủ, trang sản
   phẩm hay trang Tuyển đại lý.

   Lưu ý độ ưu tiên: theme cha có ".vs-scope h1/h2/h3", ".vs-scope p",
   ".vs-scope a" (0,1,1) — mạnh hơn class đơn. Vì vậy các luật chữ ở đây đều
   gắn tiền tố .etp-about để thắng mà không cần !important.
   ========================================================================= */

.etp-about {
    --etp-ink: #17281d;
    --etp-muted: #5a6b60;
    --etp-line: #e2e8e3;
    --etp-soft: #f6f8f5;
    /* Xanh dùng cho CHỮ trên nền sáng. Xanh thương hiệu #00A651 chỉ đạt
       3.19:1 trên nền trắng — dưới chuẩn WCAG AA (4.5:1) cho chữ thường.
       Bản đậm hơn đạt 4.99:1, vẫn đúng tông thương hiệu. */
    --etp-green-text: var(--vs-primary-dark, #00813F);
    color: var(--etp-ink);
}

/* --- Khung section dùng chung --- */
.etp-about .etp-about__section {
    padding-block: clamp(2.75rem, 6vw, 4.5rem);
}
.etp-about .etp-about__section--soft {
    background: var(--etp-soft);
}
.etp-about .etp-about__head {
    max-width: 62ch;
    margin: 0 auto clamp(1.75rem, 3.5vw, 2.5rem);
    text-align: center;
}
.etp-about .etp-about__head h2 {
    margin: 0 0 .6rem;
    color: var(--etp-green-text);
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    line-height: 1.25;
    text-wrap: balance;
}
.etp-about .etp-about__head p {
    margin: 0;
    color: var(--etp-muted);
    font-size: .95rem;
    line-height: 1.7;
}
.etp-about .etp-about__eyebrow {
    display: inline-block;
    margin-bottom: .55rem;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--vs-gold-text, #96610c);
}

/* --- Nút --- */
.etp-about .etp-about__cta {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
}
.etp-about .etp-about__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    min-height: 48px;              /* vùng chạm >= 44px */
    padding: .8rem 1.5rem;
    border-radius: 999px;
    border: 1.6px solid transparent;
    font-weight: 700;
    font-size: .95rem;
    line-height: 1.2;
    text-decoration: none;
    transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.etp-about .etp-about__btn .vs-ico {
    width: 18px;
    height: 18px;
    flex: none;
}
.etp-about .etp-about__btn--solid {
    background: var(--etp-green-text);
    color: #fff;
}
.etp-about .etp-about__btn--solid:hover,
.etp-about .etp-about__btn--solid:focus-visible {
    background: var(--vs-primary-dark);
    color: #fff;
    transform: translateY(-2px);
}
.etp-about .etp-about__btn--line {
    border-color: var(--etp-green-text);
    color: var(--etp-green-text);
}
.etp-about .etp-about__btn--line:hover,
.etp-about .etp-about__btn--line:focus-visible {
    background: var(--etp-green-text);
    color: #fff;
}
.etp-about a:focus-visible,
.etp-about button:focus-visible {
    outline: 3px solid var(--vs-accent);
    outline-offset: 3px;
}

/* =========================================================================
   PHẦN 1 — HERO
   ========================================================================= */
.etp-about .etp-about__hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(90% 120% at 85% 0%, rgba(255, 255, 255, .16), transparent 60%),
        linear-gradient(140deg, var(--vs-primary-dark) 0%, #04632f 90%);
    color: #fff;
}
.etp-about .etp-about__hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    padding-block: clamp(2.5rem, 5.5vw, 4.25rem);
}
.etp-about .etp-about__crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem;
    margin-bottom: 1.1rem;
    font-size: .82rem;
    color: rgba(255, 255, 255, .72);
}
.etp-about .etp-about__crumb a {
    color: rgba(255, 255, 255, .88);
    text-decoration: none;
}
.etp-about .etp-about__crumb a:hover {
    color: #fff;
    text-decoration: underline;
}
.etp-about .etp-about__title {
    margin: 0 0 1rem;
    color: #fff;
    font-size: clamp(1.75rem, 3.2vw, 2.85rem);
    line-height: 1.12;
    letter-spacing: -.02em;
    font-weight: 800;
    text-wrap: balance;
}
.etp-about .etp-about__lead {
    margin: 0 0 1.75rem;
    max-width: 58ch;
    color: rgba(255, 255, 255, .88);
    font-size: clamp(.98rem, 1vw, 1.05rem);
    line-height: 1.75;
}
.etp-about .etp-about__hero .etp-about__btn--solid {
    background: #fff;
    color: var(--vs-primary-dark);
}
.etp-about .etp-about__hero .etp-about__btn--solid:hover,
.etp-about .etp-about__hero .etp-about__btn--solid:focus-visible {
    background: #fff;
    color: var(--vs-primary-dark);
}
.etp-about .etp-about__hero .etp-about__btn--line {
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
}
.etp-about .etp-about__hero .etp-about__btn--line:hover,
.etp-about .etp-about__hero .etp-about__btn--line:focus-visible {
    background: rgba(255, 255, 255, .14);
    border-color: #fff;
    color: #fff;
}

/* Bố cục 3 thẻ sản phẩm — dựng bằng CSS/SVG vì chưa có ảnh chụp thật */
.etp-about .etp-about__hero-visual {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .9rem;
}
.etp-about .etp-about__hero-card {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;           /* khai báo tỉ lệ để không gây CLS */
    padding: 1rem;
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, .17), rgba(255, 255, 255, .06));
    border: 1px solid rgba(255, 255, 255, .24);
    color: #fff;
}
.etp-about .etp-about__hero-card--a {
    grid-column: 1 / 2;
    grid-row: 1 / 3;
    aspect-ratio: auto;
}
.etp-about .etp-about__art {
    width: 100%;
    height: auto;
    max-width: 180px;
    display: block;
}

/* =========================================================================
   PHẦN 2 — VĂN XUÔI (nội dung sửa trong quản trị)
   ========================================================================= */
.etp-about .etp-about__prose {
    max-width: 76ch;
}
.etp-about .etp-about__prose h2 {
    margin: 0 0 1rem;
    color: var(--etp-green-text);
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    line-height: 1.25;
}
.etp-about .etp-about__prose h3 {
    margin: 1.75rem 0 .6rem;
    color: var(--etp-green-text);
    font-size: 1.15rem;
}
.etp-about .etp-about__prose p {
    margin: 0 0 1.1rem;
    color: var(--etp-ink);
    font-size: 1rem;
    line-height: 1.85;
}
.etp-about .etp-about__prose p:last-child {
    margin-bottom: 0;
}

/* =========================================================================
   PHẦN 3, 4 — LƯỚI THẺ
   ========================================================================= */
.etp-about .etp-about__grid {
    display: grid;
    gap: clamp(1rem, 2vw, 1.4rem);
}
.etp-about .etp-about__grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.etp-about .etp-about__grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.etp-about .etp-about__card {
    padding: 1.6rem;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--etp-line);
    box-shadow: 0 1px 3px rgba(23, 40, 29, .05);
}
.etp-about .etp-about__section--soft .etp-about__card {
    background: #fff;
}
.etp-about .etp-about__card h3 {
    margin: .9rem 0 .5rem;
    color: var(--etp-green-text);
    font-size: 1.05rem;
    line-height: 1.4;
}
.etp-about .etp-about__card p {
    margin: 0;
    color: var(--etp-muted);
    font-size: .9rem;
    line-height: 1.7;
}
.etp-about .etp-about__chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    color: #fff;
    background: var(--_c, var(--vs-primary));
}
.etp-about .etp-about__chip .vs-ico {
    width: 24px;
    height: 24px;
}
.etp-about .etp-about__chip--t1 { --_c: linear-gradient(135deg, #17B85C 0%, #0B6E38 100%); }
.etp-about .etp-about__chip--t2 { --_c: linear-gradient(135deg, #F2B705 0%, #B97F12 100%); }
.etp-about .etp-about__chip--t3 { --_c: linear-gradient(135deg, #19B0B0 0%, #0C6E70 100%); }
.etp-about .etp-about__chip--t4 { --_c: linear-gradient(135deg, #8B6BE0 0%, #5B3CC4 100%); }
.etp-about .etp-about__chip--t5 { --_c: linear-gradient(135deg, #F5903F 0%, #C2560F 100%); }

/* =========================================================================
   PHẦN 5 — THẺ GIẢI PHÁP
   ========================================================================= */
.etp-about .etp-about__sol {
    display: flex;
    flex-direction: column;
    padding: 1.35rem;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--etp-line);
    box-shadow: 0 1px 3px rgba(23, 40, 29, .05);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.etp-about .etp-about__sol:hover {
    transform: translateY(-3px);
    border-color: #c6dbcd;
    box-shadow: 0 10px 26px -14px rgba(23, 40, 29, .35);
}
.etp-about .etp-about__sol-art {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 16 / 11;         /* giữ chỗ cố định, tránh nhảy layout */
    margin-bottom: 1rem;
    border-radius: 12px;
    background: var(--etp-soft);
    color: var(--etp-green-text);
}
.etp-about .etp-about__sol-art .etp-about__art {
    max-width: 128px;
}
.etp-about .etp-about__sol h3 {
    margin: 0 0 .5rem;
    color: var(--etp-green-text);
    font-size: 1.02rem;
    line-height: 1.4;
}
.etp-about .etp-about__sol p {
    margin: 0 0 1rem;
    color: var(--etp-muted);
    font-size: .88rem;
    line-height: 1.7;
}
.etp-about .etp-about__sol-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    margin-top: auto;
    padding: .35rem 0;
    color: var(--etp-green-text);
    font-size: .875rem;
    font-weight: 700;
    text-decoration: none;
}
.etp-about .etp-about__sol-link .vs-ico {
    width: 16px;
    height: 16px;
    transition: transform .18s ease;
}
.etp-about .etp-about__sol-link:hover {
    color: var(--vs-primary-dark);
    text-decoration: underline;
}
.etp-about .etp-about__sol-link:hover .vs-ico {
    transform: translateX(3px);
}

/* =========================================================================
   PHẦN 6 — NHÓM KHÁCH HÀNG
   ========================================================================= */
.etp-about .etp-about__audience {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.4rem);
    margin: 0;
    padding: 0;
    list-style: none;
}
.etp-about .etp-about__aud {
    display: flex;
    gap: .9rem;
    margin: 0;
    padding: 1.25rem;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--etp-line);
}
.etp-about .etp-about__aud-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: none;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #e7f3ea;
    color: var(--etp-green-text);
}
.etp-about .etp-about__aud-ico .vs-ico {
    width: 22px;
    height: 22px;
}
.etp-about .etp-about__aud h3 {
    margin: 0 0 .3rem;
    color: var(--etp-green-text);
    font-size: .98rem;
    line-height: 1.4;
}
.etp-about .etp-about__aud p {
    margin: 0;
    color: var(--etp-muted);
    font-size: .86rem;
    line-height: 1.65;
}

/* =========================================================================
   PHẦN 7 — QUY TRÌNH
   ========================================================================= */
.etp-about .etp-about__steps {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.25rem);
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: none;
}
.etp-about .etp-about__step {
    position: relative;
    margin: 0;
    padding: 1.4rem 1.2rem;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--etp-line);
}
.etp-about .etp-about__step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: .8rem;
    border-radius: 50%;
    background: var(--etp-green-text);
    color: #fff;
    font-weight: 800;
    font-size: .9rem;
}
.etp-about .etp-about__step h3 {
    margin: 0 0 .4rem;
    color: var(--etp-green-text);
    font-size: .98rem;
    line-height: 1.4;
}
.etp-about .etp-about__step p {
    margin: 0;
    color: var(--etp-muted);
    font-size: .85rem;
    line-height: 1.65;
}

/* =========================================================================
   PHẦN 8 — LỰA CHỌN CÓ TRÁCH NHIỆM
   ========================================================================= */
.etp-about .etp-about__section--dark {
    background: var(--vs-primary-dark);
    color: #fff;
}
.etp-about .etp-about__responsible {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, .95fr);
    gap: clamp(1.75rem, 4vw, 3.5rem);
    align-items: start;
}
.etp-about .etp-about__section--dark .etp-about__eyebrow {
    color: var(--vs-accent);
}
.etp-about .etp-about__resp-copy h2 {
    margin: 0 0 1.1rem;
    color: #fff;
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    line-height: 1.25;
    text-wrap: balance;
}
.etp-about .etp-about__resp-copy p {
    margin: 0 0 1.1rem;
    color: rgba(255, 255, 255, .86);
    font-size: .97rem;
    line-height: 1.85;
}
.etp-about .etp-about__resp-copy p:last-child {
    margin-bottom: 0;
}
.etp-about .etp-about__resp-list {
    display: grid;
    gap: .85rem;
    margin: 0;
    padding: 1.5rem;
    list-style: none;
    border-radius: 16px;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .16);
}
.etp-about .etp-about__resp-list li {
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    margin: 0;
    color: rgba(255, 255, 255, .9);
    font-size: .9rem;
    line-height: 1.6;
}
.etp-about .etp-about__resp-list .vs-ico {
    width: 18px;
    height: 18px;
    flex: none;
    margin-top: .15rem;
    color: var(--vs-accent);
}

/* =========================================================================
   PHẦN 9 + 10 — THÔNG TIN DOANH NGHIỆP & CTA
   ========================================================================= */
.etp-about .etp-about__contact {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(1.25rem, 3vw, 2rem);
    align-items: stretch;
}
.etp-about .etp-about__info,
.etp-about .etp-about__cta-card {
    padding: clamp(1.5rem, 3vw, 2.15rem);
    border-radius: 18px;
}
.etp-about .etp-about__info {
    background: #fff;
    border: 1px solid var(--etp-line);
}
.etp-about .etp-about__info h2 {
    margin: 0 0 1.25rem;
    color: var(--etp-green-text);
    font-size: clamp(1.3rem, 2.2vw, 1.6rem);
}
.etp-about .etp-about__dl {
    display: grid;
    gap: .9rem;
    margin: 0;
}
.etp-about .etp-about__dl > div {
    display: grid;
    grid-template-columns: 11.5rem minmax(0, 1fr);
    gap: .5rem 1rem;
    padding-bottom: .9rem;
    border-bottom: 1px solid var(--etp-line);
}
.etp-about .etp-about__dl > div:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}
.etp-about .etp-about__dl dt {
    margin: 0;
    color: var(--etp-muted);
    font-size: .86rem;
    font-weight: 600;
}
.etp-about .etp-about__dl dd {
    margin: 0;
    color: var(--etp-ink);
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.6;
}
.etp-about .etp-about__dl dd address {
    font-style: normal;
    font-weight: 600;
}
.etp-about .etp-about__dl dd a {
    color: var(--etp-green-text);
    text-decoration: none;
}
.etp-about .etp-about__dl dd a:hover {
    text-decoration: underline;
}
.etp-about .etp-about__cta-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(140deg, var(--vs-primary-dark) 0%, #04632f 100%);
    color: #fff;
}
.etp-about .etp-about__cta-card h2 {
    margin: 0 0 .75rem;
    color: #fff;
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    line-height: 1.3;
    text-wrap: balance;
}
.etp-about .etp-about__cta-card p {
    margin: 0 0 1.5rem;
    color: rgba(255, 255, 255, .87);
    font-size: .95rem;
    line-height: 1.75;
}
.etp-about .etp-about__cta-card .etp-about__btn--solid {
    background: #fff;
    color: var(--vs-primary-dark);
}
.etp-about .etp-about__cta-card .etp-about__btn--solid:hover,
.etp-about .etp-about__cta-card .etp-about__btn--solid:focus-visible {
    background: #fff;
    color: var(--vs-primary-dark);
}
.etp-about .etp-about__cta-card .etp-about__btn--line {
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
}
.etp-about .etp-about__cta-card .etp-about__btn--line:hover,
.etp-about .etp-about__cta-card .etp-about__btn--line:focus-visible {
    background: rgba(255, 255, 255, .14);
    border-color: #fff;
    color: #fff;
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1100px) {
    .etp-about .etp-about__grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .etp-about .etp-about__steps {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}
@media (max-width: 980px) {
    .etp-about .etp-about__hero-inner,
    .etp-about .etp-about__responsible,
    .etp-about .etp-about__contact {
        grid-template-columns: 1fr;
    }
    .etp-about .etp-about__hero-visual {
        max-width: 460px;
    }
    .etp-about .etp-about__grid--3,
    .etp-about .etp-about__audience {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 720px) {
    .etp-about .etp-about__grid--3,
    .etp-about .etp-about__grid--4,
    .etp-about .etp-about__audience,
    .etp-about .etp-about__steps {
        grid-template-columns: 1fr;
    }
    .etp-about .etp-about__head {
        text-align: left;
    }
    .etp-about .etp-about__dl > div {
        grid-template-columns: 1fr;
        gap: .2rem;
    }
    .etp-about .etp-about__btn {
        flex: 1 1 auto;
    }
    .etp-about .etp-about__hero-card--a {
        grid-row: auto;
        aspect-ratio: 1 / 1;
    }
}
@media (max-width: 420px) {
    .etp-about .etp-about__hero-visual {
        grid-template-columns: 1fr 1fr;
    }
    .etp-about .etp-about__hero-card--c {
        display: none;             /* 2 thẻ là đủ ở màn hẹp, tránh dồn chật */
    }
}

@media (prefers-reduced-motion: reduce) {
    .etp-about .etp-about__btn,
    .etp-about .etp-about__sol,
    .etp-about .etp-about__sol-link .vs-ico {
        transition: none;
    }
    .etp-about .etp-about__btn:hover,
    .etp-about .etp-about__sol:hover {
        transform: none;
    }
}

/* Vùng chạm cho link "Xem sản phẩm" trong thẻ giải pháp — đủ 44px chiều cao
   theo khuyến nghị về kích thước mục tiêu chạm trên thiết bị cảm ứng. */
.etp-about .etp-about__sol-link {
    min-height: 44px;
    align-self: flex-start;
}