/* ==========================================================
   Real English – Trang "Cơ hội mới nhất"
   ========================================================== */
:root {
    --re-navy: #14275c;
    --re-navy-dark: #0f1d45;
    --re-red: #e1253f;
    --re-red-dark: #c41a32;
    --re-text: #1f2a44;
    --re-muted: #5d6680;
    --re-bg-alt: #f5f7fc;
    --re-border: #e6e9f2;
    --re-radius: 6px;
    --re-shadow: 0 6px 22px rgba(20, 39, 92, .08);
    --re-font: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
    --re-hand: "Caveat", cursive;
}

body {
    font-family: var(--re-font);
    color: var(--re-text);
    background: #fff;
    font-size: 15px;
}

a { text-decoration: none; }
img { max-width: 100%; }

/* ---------- Buttons ---------- */
.re-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    font-weight: 600;
    font-size: .875rem;
    border-radius: var(--re-radius);
    padding: .6rem 1.25rem;
    transition: all .2s ease;
}
.re-btn i { transition: transform .2s ease; }
.re-btn:hover i { transform: translateX(3px); }

.re-btn--primary { background: var(--re-red); color: #fff; border: 1px solid var(--re-red); }
.re-btn--primary:hover { background: var(--re-red-dark); border-color: var(--re-red-dark); color: #fff; }

.re-btn--outline { background: #fff; color: var(--re-red); border: 1px solid var(--re-red); }
.re-btn--outline:hover { background: var(--re-red); color: #fff; }

.re-btn--lg { padding: .85rem 1.5rem; font-size: .95rem; }

.re-link { color: var(--re-red); font-weight: 600; font-size: .875rem; white-space: nowrap; }
.re-link:hover { color: var(--re-red-dark); }

/* ---------- Header ---------- */
.re-header {
    background: #fff;
    box-shadow: 0 1px 0 var(--re-border);
    transition: box-shadow .2s;
}
.re-header.is-scrolled { box-shadow: 0 4px 18px rgba(20, 39, 92, .1); }
.re-header .navbar { padding: .6rem 0; }

.re-logo { display: flex; align-items: center; gap: .6rem; color: var(--re-navy); }
.re-logo:hover { color: var(--re-navy); }
.re-logo__icon { width: 38px; height: 38px; color: var(--re-navy); }
.re-logo strong { display: block; font-size: 1.05rem; font-weight: 800; letter-spacing: .5px; line-height: 1.1; }
.re-logo small { display: block; font-size: .62rem; color: var(--re-muted); }

.re-header .nav-link {
    color: var(--re-text);
    font-size: .82rem;
    font-weight: 500;
    padding: .5rem .7rem !important;
    border-radius: 4px;
}
.re-header .nav-link:hover { color: var(--re-red); }
.re-header .nav-link.active { background: var(--re-navy); color: #fff !important; }
.re-header .dropdown-toggle::after { vertical-align: .15em; border-top-width: .28em; border-left-width: .28em; border-right-width: .28em; }

.re-header .dropdown-menu {
    border: 0;
    box-shadow: var(--re-shadow);
    border-radius: var(--re-radius);
    padding: .5rem;
    min-width: 220px;
}
.re-header .dropdown-item {
    font-size: .82rem;
    padding: .55rem .75rem;
    border-radius: 4px;
    display: flex;
    gap: .6rem;
    align-items: center;
}
.re-header .dropdown-item i { color: var(--re-navy); }
.re-header .dropdown-item:hover { background: var(--re-bg-alt); color: var(--re-red); }

.re-search-btn { background: none; border: 0; font-size: 1.15rem; color: var(--re-text); }
.navbar-toggler { border: 0; font-size: 1.8rem; color: var(--re-navy); }
.navbar-toggler:focus { box-shadow: none; }

@media (min-width: 1200px) {
    /* Mở dropdown khi hover trên desktop */
    .re-header .dropdown:hover > .dropdown-menu { display: block; margin-top: 0; }
}

/* ---------- Hero ---------- */
.re-hero {
    position: relative;
    padding: 2.25rem 0 2.75rem;
    min-height: 300px;
    background:
        linear-gradient(90deg, #f2f6fd 0%, rgba(242, 246, 253, .95) 40%, rgba(242, 246, 253, .3) 62%, rgba(242, 246, 253, 0) 75%),
        url("../img/mockup/hero.svg") right center / cover no-repeat,
        #e8eef9;
    overflow: hidden;
}
.re-eyebrow { font-size: .8rem; font-weight: 500; letter-spacing: .3px; color: var(--re-text); margin-bottom: .75rem; }
.re-hero__title { color: var(--re-navy); font-weight: 800; line-height: 1.12; margin-bottom: 1rem; }
.re-hero__title span { display: block; font-size: clamp(1.4rem, 2.6vw, 1.75rem); }
.re-hero__title .big { font-size: clamp(1.9rem, 3.6vw, 2.4rem); }
.re-hero__desc { color: var(--re-text); max-width: 470px; margin-bottom: 1.5rem; }

.re-hand {
    font-family: var(--re-hand);
    color: var(--re-navy);
    font-size: 1.45rem;
    line-height: 1.1;
    position: absolute;
    margin: 0;
}
.re-hero__hand-1 { top: 1.5rem; left: 45%; transform: rotate(-10deg); }
.re-hero__hand-1::after,
.re-hero__hand-2::after,
.re-newsletter__hand::after {
    content: "";
    display: block;
    width: 70px;
    height: 3px;
    margin-top: 4px;
    background: #f5b800;
    border-radius: 2px;
    transform: rotate(-12deg);
}
.re-hero__hand-2 { right: 1rem; bottom: 1.5rem; color: #fff; text-shadow: 0 1px 6px rgba(0, 0, 0, .35); transform: rotate(-12deg); }

/* ---------- Sections ---------- */
.re-section { padding: 2.25rem 0; }
.re-section--alt { background: var(--re-bg-alt); }

.re-section__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.re-section__title { display: flex; gap: 1rem; align-items: center; }
.re-section__icon { font-size: 2.6rem; color: var(--re-navy); line-height: 1; }
.re-section__title h2 { color: var(--re-navy); font-weight: 800; font-size: 1.35rem; margin: 0 0 .15rem; }
.re-section__title p { color: var(--re-muted); font-size: .82rem; margin: 0; }
.re-section__head .re-link { margin-top: .6rem; }

/* ---------- Slider ---------- */
.re-slider { position: relative; }
.re-slider__viewport { overflow: hidden; margin: -10px; padding: 10px; }
.re-slider__track {
    display: flex;
    transition: transform .45s cubic-bezier(.25, .8, .25, 1);
    will-change: transform;
}
.re-slider__item {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 .65rem;
}
.re-slider__track { margin: 0 -.65rem; }

.re-slider__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--re-border);
    background: #fff;
    color: var(--re-navy);
    box-shadow: var(--re-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
}
.re-slider__nav:hover:not(:disabled) { background: var(--re-navy); color: #fff; }
.re-slider__nav:disabled { opacity: .4; cursor: default; }
.re-slider__nav--prev { left: -50px; }
.re-slider__nav--next { right: -50px; }

@media (max-width: 1399.98px) {
    .re-slider__nav--prev { left: -18px; }
    .re-slider__nav--next { right: -18px; }
}
@media (max-width: 991.98px) {
    .re-slider__item { flex-basis: 50%; max-width: 50%; }
}
@media (max-width: 575.98px) {
    .re-slider__item { flex-basis: 86%; max-width: 86%; }
    .re-slider__nav--prev { left: -8px; }
    .re-slider__nav--next { right: -8px; }
}

/* ---------- Card ---------- */
.re-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #fff;
    border-radius: var(--re-radius);
    box-shadow: var(--re-shadow);
    overflow: hidden;
    color: var(--re-text);
    transition: transform .25s ease, box-shadow .25s ease;
}
.re-card:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(20, 39, 92, .14); color: var(--re-text); }

.re-card__img {
    position: relative;
    height: 150px;
    background: linear-gradient(135deg, #c9d6ee, #8ea4cf);
    overflow: hidden;
}
.re-card__img--sm { height: 120px; }
.re-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.re-card:hover .re-card__img img { transform: scale(1.05); }

.re-card__body { padding: 1.1rem 1.1rem 1.2rem; display: flex; flex-direction: column; flex: 1; }
.re-card__body > .re-btn { margin-top: auto; }

.re-card__title { font-size: .9rem; font-weight: 600; color: var(--re-navy); margin-bottom: .75rem; line-height: 1.35; }
.re-card__title--lg { font-size: 1rem; }
.re-card--news .re-card__title { margin-bottom: .4rem; }
.re-card__excerpt { font-size: .78rem; color: var(--re-muted); margin-bottom: .6rem; }

.re-school { display: flex; align-items: center; gap: .6rem; margin-bottom: .6rem; min-height: 38px; }
.re-school h3 { font-size: .95rem; font-weight: 700; color: var(--re-navy); margin: 0; }
.re-school small { font-size: .75rem; color: var(--re-muted); }
.re-school__logo {
    flex: 0 0 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--re-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--re-navy);
}
.re-school__logo--plain { border: 0; font-size: 1.4rem; color: var(--re-red); }

.re-meta { list-style: none; padding: 0; margin: 0 0 1rem; font-size: .78rem; }
.re-meta li { display: flex; gap: .6rem; margin-bottom: .3rem; color: var(--re-text); }
.re-meta i { color: var(--re-navy); flex: 0 0 auto; }

.re-date { font-size: .72rem; color: var(--re-muted); margin-top: auto; }

/* ---------- Badges / tags ---------- */
.re-badge {
    position: absolute;
    top: .6rem;
    right: .6rem;
    font-size: .72rem;
    font-weight: 600;
    color: #fff;
    padding: .3rem .6rem;
    border-radius: 4px;
}
.re-badge--red { background: var(--re-red); }

.re-tag {
    position: absolute;
    top: .75rem;
    left: .75rem;
    font-size: .72rem;
    font-weight: 700;
    color: #fff;
    padding: .3rem .65rem;
    border-radius: 3px;
}
.re-tag--blue { background: #2f6fe4; }
.re-tag--green { background: #1f8a4c; }
.re-tag--orange { background: #f39a1c; }
.re-tag--purple { background: #6c3fd1; }

.re-pill {
    position: absolute;
    left: .6rem;
    bottom: .5rem;
    font-size: .68rem;
    font-weight: 500;
    padding: .15rem .55rem;
    border-radius: 3px;
}
.re-pill--blue { background: #dfe9ff; color: #2f6fe4; }
.re-pill--pink { background: #ffe1e6; color: var(--re-red); }
.re-pill--navy { background: #2f6fe4; color: #fff; }
.re-pill--green { background: #def5e6; color: #1f8a4c; }

/* ---------- Newsletter ---------- */
.re-newsletter {
    position: relative;
    padding: 2.5rem 0;
    color: #fff;
    background:
        linear-gradient(90deg, var(--re-navy-dark) 0%, rgba(15, 29, 69, .92) 45%, rgba(15, 29, 69, .35) 75%, rgba(15, 29, 69, .2) 100%),
        url("../img/mockup/newsletter.svg") center / cover no-repeat,
        var(--re-navy-dark);
    overflow: hidden;
}
.re-eyebrow--light { color: #dfe5f3; }
.re-newsletter__title { font-weight: 800; font-size: clamp(1.4rem, 2.6vw, 1.75rem); margin-bottom: .6rem; }
.re-newsletter__desc { color: #dfe5f3; max-width: 440px; font-size: .9rem; margin-bottom: 1.25rem; }
.re-newsletter__form { display: flex; gap: .75rem; max-width: 425px; }
.re-newsletter__form .form-control { border-radius: 4px; font-size: .85rem; padding: .65rem .9rem; }
.re-newsletter__form .form-control.is-invalid { border-color: var(--re-red); }
.re-newsletter__form .btn { flex: 0 0 auto; padding-inline: 2rem; }
.re-newsletter__msg { font-size: .82rem; margin-top: .5rem; min-height: 1.2em; }
.re-newsletter__msg.is-error { color: #ffb3bf; }
.re-newsletter__msg.is-success { color: #9ff0c0; }
.re-newsletter__hand { top: 0; right: 1rem; color: #fff; transform: rotate(-8deg); }

@media (max-width: 575.98px) {
    .re-newsletter__form { flex-direction: column; }
}

/* ---------- Stats ---------- */
.re-stats { padding: 1.75rem 0; background: #f8f9fc; }
.re-stat { display: flex; align-items: center; gap: 1rem; position: relative; }
.re-stat > i { font-size: 2.2rem; color: var(--re-navy); line-height: 1; }
.re-stat strong { display: block; font-size: .95rem; color: var(--re-navy); font-weight: 700; }
.re-stat span:not(.re-counter) { display: block; font-size: .75rem; color: var(--re-muted); }
@media (min-width: 992px) {
    .re-stat:not(:last-child)::after {
        content: "";
        position: absolute;
        right: 1rem;
        top: 10%;
        height: 80%;
        width: 1px;
        background: var(--re-border);
    }
}

/* ---------- Responsive ---------- */
@media (max-width: 1199.98px) {
    .re-header .navbar-collapse { padding: 1rem 0; }
    .re-header .nav-link.active { display: inline-block; }
}
@media (max-width: 991.98px) {
    .re-hero {
        background:
            linear-gradient(180deg, rgba(242, 246, 253, .96) 0%, rgba(242, 246, 253, .85) 100%),
            url("../img/mockup/hero.svg") center / cover no-repeat;
    }
    .re-hero__hand-2 { color: var(--re-navy); text-shadow: none; }
}
@media (max-width: 767.98px) {
    .re-section__head { flex-direction: column; }
    .re-section__head .re-link { margin-top: 0; }
    .re-section__icon { font-size: 2rem; }
    .re-section__title h2 { font-size: 1.15rem; }
}

/* ---------- Chống xuống dòng ở header & nút ---------- */
.re-header .nav-link,
.re-header .re-btn { white-space: nowrap; }
.re-card .re-btn { font-size: .8rem; padding: .55rem .75rem; white-space: nowrap; }
@media (min-width: 1200px) and (max-width: 1399.98px) {
    .re-header .nav-link { padding: .5rem .45rem !important; font-size: .78rem; }
    .re-header .re-btn { padding: .55rem .9rem; font-size: .8rem; }
    .re-logo strong { font-size: .95rem; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
    .re-card .re-btn { font-size: .74rem; padding-inline: .5rem; }
}