/*
Theme Name:   Minh TV — Giao diện mới
Theme URI:    https://minh.tv
Description:  Child theme của Hello Elementor. Chỉ thêm một mẫu trang chủ mới. Toàn bộ trang Elementor cũ, bài viết và plugin giữ nguyên không đổi.
Author:       Trần Hoàng Minh
Template:     hello-elementor
Version:      1.0.0
Text Domain:  minhtv
*/

/* =============================================================
   Bảng màu & biến dùng chung
   Muốn đổi màu toàn trang: chỉ cần sửa trong khối :root này.
============================================================= */
:root {
  --xanh:        #3f6d5f;   /* xanh lá trầm - màu thương hiệu */
  --xanh-dam:    #2c4f44;
  --xanh-nhat:   #e8f0ec;
  --cam:         #d98555;   /* cam đất - màu nhấn */
  --cam-nhat:    #fbeee4;

  --nen:         #fdfbf7;   /* kem ấm */
  --nen-2:       #f5f1e9;
  --trang:       #ffffff;
  --chu:         #2a2926;
  --chu-nhat:    #6b6862;
  --vien:        #e6e0d5;

  --bo-goc:      18px;
  --bo-goc-nho:  12px;
  --bong:        0 2px 8px rgba(42,41,38,.05);
  --bong-cao:    0 14px 40px rgba(42,41,38,.10);

  --cot:         1140px;
  --dem-section: clamp(56px, 8vw, 104px);

  --font-chinh:  'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-tieude: 'Lora', Georgia, serif;
}


/* =============================================================
   Thiết lập cơ bản
   Bọc trong .minhtv để không ảnh hưởng các trang Elementor khác
============================================================= */
html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body.minhtv {
  margin: 0;
  font-family: var(--font-chinh);
  font-size: 17px;
  line-height: 1.7;
  color: var(--chu);
  background: var(--nen);
  -webkit-font-smoothing: antialiased;
}

.minhtv *, .minhtv *::before, .minhtv *::after { box-sizing: border-box; }

.minhtv img { max-width: 100%; height: auto; display: block; }

.minhtv a { color: var(--xanh); text-decoration: none; }
.minhtv a:hover { color: var(--cam); }

.minhtv h1, .minhtv h2, .minhtv h3, .minhtv h4 {
  font-family: var(--font-tieude);
  font-weight: 600;
  line-height: 1.25;
  color: var(--xanh-dam);
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}
.minhtv h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
.minhtv h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
.minhtv h3 { font-size: 1.2rem; }
.minhtv p  { margin: 0 0 1em; }

.wrap { width: min(100% - 40px, var(--cot)); margin-inline: auto; }

.eyebrow {
  font-family: var(--font-chinh);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cam);
  margin-bottom: .6em;
}

.skip-link {
  position: absolute; left: -9999px;
  background: var(--xanh); color: #fff;
  padding: 12px 20px; border-radius: 0 0 var(--bo-goc-nho) 0; z-index: 999;
}
.skip-link:focus { left: 0; top: 0; color: #fff; }

.minhtv :focus-visible { outline: 3px solid var(--cam); outline-offset: 3px; border-radius: 4px; }

/* Chừa chỗ cho thanh quản trị WordPress khi thầy đang đăng nhập */
.admin-bar .site-header { top: 32px; }
@media screen and (max-width: 782px) {
  .admin-bar .site-header { top: 46px; }
}


/* =============================================================
   Nút bấm
============================================================= */
.minhtv .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-chinh);
  font-size: 1rem; font-weight: 600;
  padding: 14px 28px;
  border: 1.5px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.minhtv .btn:active { transform: translateY(1px); }

.minhtv .btn-primary { background: var(--xanh); color: #fff; box-shadow: 0 6px 18px rgba(63,109,95,.25); }
.minhtv .btn-primary:hover { background: var(--xanh-dam); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(63,109,95,.3); }

.minhtv .btn-ghost { background: transparent; color: var(--xanh-dam); border-color: var(--vien); }
.minhtv .btn-ghost:hover { background: var(--trang); border-color: var(--xanh); color: var(--xanh-dam); transform: translateY(-2px); }

.minhtv .btn-sm    { padding: 10px 20px; font-size: .94rem; }
.minhtv .btn-block { width: 100%; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: .96rem;
}
.link-arrow span { transition: transform .2s ease; }
.link-arrow:hover span { transform: translateX(4px); }


/* =============================================================
   Thanh điều hướng
============================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(253,251,247,.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { border-bottom-color: var(--vien); box-shadow: var(--bong); }

.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }

.logo { display: flex; align-items: center; gap: 12px; color: inherit; }
.logo-mark {
  width: 42px; height: 42px; flex: none;
  display: grid; place-items: center;
  background: var(--xanh); color: #fff;
  font-family: var(--font-tieude); font-size: 1.35rem; font-weight: 600;
  border-radius: 50%;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-family: var(--font-tieude); font-size: 1.06rem; color: var(--xanh-dam); }
.logo-text small  { font-size: .76rem; color: var(--chu-nhat); }

.nav { display: flex; align-items: center; gap: 6px; }
.nav > a {
  padding: 9px 13px;
  font-size: .95rem; font-weight: 500;
  color: var(--chu); border-radius: 999px;
  transition: background .18s ease, color .18s ease;
}
.nav > a:hover { background: var(--xanh-nhat); color: var(--xanh-dam); }
.nav-cta { margin-left: 8px; color: #fff !important; }
.nav-cta:hover { background: var(--xanh-dam) !important; }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  background: var(--trang); border: 1px solid var(--vien); border-radius: 12px;
  cursor: pointer; padding: 0;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 20px; height: 2px; border-radius: 2px;
  background: var(--xanh-dam); transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* =============================================================
   Hero
============================================================= */
.hero {
  position: relative;
  padding: clamp(48px, 7vw, 92px) 0 clamp(60px, 9vw, 120px);
  background:
    radial-gradient(680px 400px at 88% 8%, var(--cam-nhat), transparent 68%),
    radial-gradient(760px 460px at 4% 88%, var(--xanh-nhat), transparent 70%),
    var(--nen);
  overflow: hidden;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
.minhtv .hero h1 { margin-bottom: .35em; }
.minhtv .hero h1 em { font-style: italic; color: var(--cam); }

.lead { font-size: 1.13rem; color: var(--chu-nhat); max-width: 52ch; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 36px; }

.hero-trust {
  display: flex; flex-wrap: wrap; gap: 32px;
  list-style: none; margin: 0; padding: 24px 0 0;
  border-top: 1px solid var(--vien);
}
.hero-trust li { display: flex; flex-direction: column; }
.hero-trust strong { font-family: var(--font-tieude); font-size: 1.75rem; color: var(--xanh); line-height: 1.1; }
.hero-trust span   { font-size: .88rem; color: var(--chu-nhat); }

.hero-media { position: relative; margin: 0; }
.hero-media img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: 200px 200px var(--bo-goc) var(--bo-goc);
  box-shadow: var(--bong-cao);
  background: var(--nen-2);
}
.hero-media figcaption {
  position: absolute; left: -18px; bottom: 28px;
  max-width: 250px;
  background: var(--trang); color: var(--xanh-dam);
  font-family: var(--font-tieude); font-style: italic; font-size: 1rem; line-height: 1.5;
  padding: 18px 22px; border-radius: var(--bo-goc);
  box-shadow: var(--bong-cao);
}
.quote-mark {
  display: block; font-size: 2.4rem; line-height: .6; color: var(--cam); margin-bottom: 6px;
}


/* =============================================================
   Khối section chung
============================================================= */
.section { padding: var(--dem-section) 0; }
.section-tight { padding: clamp(36px, 5vw, 56px) 0; }
.section-alt { background: var(--nen-2); }

.section-head { max-width: 640px; margin: 0 auto clamp(36px, 5vw, 56px); text-align: center; }
.section-sub  { color: var(--chu-nhat); font-size: 1.05rem; margin: 0; }


/* =============================================================
   3 trụ cột
============================================================= */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pillar {
  background: var(--trang);
  border: 1px solid var(--vien);
  border-radius: var(--bo-goc);
  padding: 30px 28px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--bong-cao); }
.pillar-icon {
  width: 52px; height: 52px; display: grid; place-items: center;
  font-size: 1.5rem; background: var(--xanh-nhat); border-radius: 14px; margin-bottom: 16px;
}
.minhtv .pillar p { margin: 0; color: var(--chu-nhat); font-size: .98rem; }


/* =============================================================
   Giới thiệu
============================================================= */
.about-grid {
  display: grid; grid-template-columns: .95fr 1.05fr;
  gap: clamp(32px, 5vw, 72px); align-items: center;
}
.about-media { position: relative; }
.about-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--bo-goc); box-shadow: var(--bong-cao); background: var(--nen-2);
}
.about-badge {
  position: absolute; right: -14px; bottom: -22px;
  display: flex; flex-direction: column; gap: 2px;
  background: var(--xanh); color: #fff;
  padding: 16px 20px; border-radius: var(--bo-goc-nho);
  box-shadow: var(--bong-cao); max-width: 240px;
}
.about-badge strong { font-family: var(--font-tieude); font-size: 1.02rem; }
.about-badge span   { font-size: .82rem; opacity: .88; line-height: 1.4; }

.credentials { list-style: none; margin: 24px 0 28px; padding: 0; display: grid; gap: 10px; }
.credentials li {
  position: relative; padding-left: 30px;
  font-size: .98rem; color: var(--chu-nhat);
}
.credentials li::before {
  content: "✓";
  position: absolute; left: 0; top: 1px;
  width: 20px; height: 20px; display: grid; place-items: center;
  font-size: .7rem; font-weight: 700;
  color: var(--xanh); background: var(--xanh-nhat); border-radius: 50%;
}


/* =============================================================
   Thẻ khóa học
============================================================= */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  display: flex; flex-direction: column;
  background: var(--trang);
  border: 1px solid var(--vien); border-radius: var(--bo-goc);
  padding: 28px 26px;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--bong-cao); border-color: transparent; }
.minhtv .card p { color: var(--chu-nhat); font-size: .97rem; flex: 1; }
.card-tag {
  align-self: flex-start;
  font-size: .74rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--xanh); background: var(--xanh-nhat);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 14px;
}
.card-featured { border-color: var(--cam); box-shadow: 0 10px 30px rgba(217,133,85,.14); }
.card-featured .card-tag { color: #fff; background: var(--cam); }


/* =============================================================
   4 bước
============================================================= */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.step {
  position: relative;
  background: var(--trang); border: 1px solid var(--vien);
  border-radius: var(--bo-goc); padding: 30px 24px 26px;
}
.step-num {
  display: inline-block;
  font-family: var(--font-tieude); font-size: 2rem; font-weight: 600;
  color: var(--cam); opacity: .5; line-height: 1; margin-bottom: 10px;
}
.minhtv .step p { margin: 0; color: var(--chu-nhat); font-size: .95rem; }


/* =============================================================
   Câu chuyện cha mẹ
============================================================= */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.quote {
  margin: 0; background: var(--trang);
  border: 1px solid var(--vien); border-left: 4px solid var(--cam);
  border-radius: var(--bo-goc); padding: 28px 26px;
}
.minhtv .quote blockquote {
  margin: 0 0 14px; padding: 0; border: 0; background: none;
  font-family: var(--font-tieude); font-style: italic; font-size: 1.05rem;
  line-height: 1.6; color: var(--xanh-dam);
}
.quote figcaption { font-size: .88rem; color: var(--chu-nhat); font-weight: 500; }

.note {
  margin: 28px auto 0; max-width: 620px; text-align: center;
  font-size: .87rem; color: var(--chu-nhat);
}


/* =============================================================
   Bài viết
============================================================= */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.post {
  display: flex; flex-direction: column;
  background: var(--trang); border: 1px solid var(--vien);
  border-radius: var(--bo-goc); padding: 26px;
  color: inherit;
  transition: transform .22s ease, box-shadow .22s ease;
}
.post:hover { transform: translateY(-5px); box-shadow: var(--bong-cao); color: inherit; }
.post-cat {
  align-self: flex-start; font-size: .74rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; color: var(--cam);
  margin-bottom: 10px;
}
.minhtv .post p { color: var(--chu-nhat); font-size: .95rem; flex: 1; }
.post-more { font-weight: 600; font-size: .93rem; color: var(--xanh); }

.posts-more { text-align: center; margin-top: 32px; }


/* =============================================================
   Dải đăng ký + biểu mẫu
============================================================= */
.cta-band {
  background:
    radial-gradient(600px 340px at 82% 12%, rgba(217,133,85,.20), transparent 68%),
    var(--xanh-dam);
  color: #fff;
}
.minhtv .cta-band h2 { color: #fff; }
.cta-inner {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.minhtv .cta-text p { color: rgba(255,255,255,.82); font-size: 1.05rem; }
.cta-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; }
.cta-list li {
  position: relative; padding-left: 28px;
  font-size: .97rem; color: rgba(255,255,255,.9);
}
.cta-list li::before {
  content: "✓"; position: absolute; left: 0;
  color: var(--cam); font-weight: 700;
}

.form {
  background: var(--trang);
  border-radius: var(--bo-goc);
  padding: 30px 28px;
  box-shadow: var(--bong-cao);
}
.field { margin-bottom: 16px; }
.minhtv .field label {
  display: block; margin-bottom: 6px;
  font-size: .9rem; font-weight: 600; color: var(--xanh-dam);
}
.field .opt { font-weight: 400; color: var(--chu-nhat); }
.minhtv .field input,
.minhtv .field select,
.minhtv .field textarea {
  width: 100%;
  font-family: inherit; font-size: 1rem; color: var(--chu);
  padding: 12px 15px;
  background: var(--nen);
  border: 1.5px solid var(--vien); border-radius: var(--bo-goc-nho);
  box-shadow: none;
  transition: border-color .18s ease, background .18s ease;
}
.minhtv .field input:focus,
.minhtv .field select:focus,
.minhtv .field textarea:focus {
  outline: none; border-color: var(--xanh); background: #fff;
}
.minhtv .field input::placeholder,
.minhtv .field textarea::placeholder { color: #a8a49b; }
.minhtv .field textarea { resize: vertical; }

/* Ô bẫy spam — ẩn với người, robot vẫn thấy và điền vào */
.honeypot { position: absolute !important; left: -9999px !important; }

.form-note { margin: 12px 0 0; font-size: .9rem; text-align: center; min-height: 1.2em; }
.form-note.ok  { color: var(--xanh); }
.form-note.err { color: #c0563a; }


/* =============================================================
   Liên hệ
============================================================= */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-card {
  background: var(--trang); border: 1px solid var(--vien);
  border-radius: var(--bo-goc); padding: 26px 24px;
  color: inherit; text-align: center;
  transition: transform .22s ease, box-shadow .22s ease;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--bong-cao); color: inherit; }
.contact-icon {
  width: 52px; height: 52px; margin: 0 auto 14px;
  display: grid; place-items: center; font-size: 1.4rem;
  background: var(--cam-nhat); border-radius: 50%;
}
.minhtv .contact-card h3 { font-size: 1.02rem; margin-bottom: 4px; }
.minhtv .contact-card p  { margin: 0; font-size: .94rem; color: var(--chu-nhat); word-break: break-word; }


/* =============================================================
   Chân trang
============================================================= */
.site-footer { background: var(--nen-2); border-top: 1px solid var(--vien); padding: clamp(44px, 6vw, 68px) 0 26px; }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 36px; padding-bottom: 34px;
}
.minhtv .footer-brand p { margin-top: 14px; font-size: .93rem; color: var(--chu-nhat); max-width: 34ch; }
.footer-col { display: flex; flex-direction: column; gap: 9px; }
.minhtv .footer-col h4 {
  font-family: var(--font-chinh); font-size: .8rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--chu-nhat);
  margin: 0 0 6px;
}
.footer-col a, .footer-col span { font-size: .94rem; color: var(--chu); }
.footer-col a:hover { color: var(--cam); }
.footer-col span { color: var(--chu-nhat); }

.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  padding-top: 22px; border-top: 1px solid var(--vien);
  font-size: .87rem; color: var(--chu-nhat);
}
.minhtv .footer-bottom p { margin: 0; }


/* =============================================================
   Nút liên hệ nổi
   Nếu plugin "button-contact-vr" đã có nút nổi rồi, xoá khối
   .floating-actions trong template-trang-chu.php để không bị hai lớp.
============================================================= */
.floating-actions {
  position: fixed; right: 16px; bottom: 16px; z-index: 90;
  display: flex; flex-direction: column; gap: 10px;
}
.fab {
  width: 52px; height: 52px;
  display: grid; place-items: center; font-size: 1.3rem;
  border-radius: 50%; color: #fff;
  box-shadow: 0 6px 18px rgba(0,0,0,.18);
  transition: transform .2s ease;
}
.fab:hover { transform: scale(1.08); color: #fff; }
.fab-call { background: var(--xanh); }
.fab-zalo { background: var(--cam); }


/* =============================================================
   Hiệu ứng xuất hiện khi cuộn
   Chỉ ẩn khi Javascript đã chạy (thẻ <html> có lớp .js) — nếu JS
   lỗi hoặc bị chặn, nội dung vẫn hiện đủ, không bao giờ trắng trang.
============================================================= */
.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.visible { opacity: 1; transform: none; }


/* =============================================================
   Responsive — máy tính bảng
============================================================= */
@media (max-width: 1000px) {
  .cards, .quotes, .posts { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* =============================================================
   Responsive — điện thoại
============================================================= */
@media (max-width: 860px) {
  body.minhtv { font-size: 16px; }

  .nav-toggle { display: flex; }
  .nav {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--nen);
    border-bottom: 1px solid var(--vien);
    padding: 12px 20px 20px;
    box-shadow: var(--bong-cao);
    display: none;
  }
  .nav.open { display: flex; }
  .nav > a { padding: 13px 14px; border-radius: var(--bo-goc-nho); }
  .nav-cta { margin: 8px 0 0; text-align: center; justify-content: center; }

  .hero-grid, .about-grid, .cta-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 380px; margin-inline: auto; }
  .hero-media img { border-radius: var(--bo-goc); aspect-ratio: 1 / 1; }
  .hero-media figcaption { left: 12px; right: 12px; bottom: -22px; max-width: none; }
  .hero-trust { gap: 24px; }
  .hero-trust li { flex: 1 1 40%; }

  .about-badge { position: static; margin-top: 16px; max-width: none; }

  .pillars, .cards, .quotes, .posts, .steps, .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }

  .floating-actions { right: 12px; bottom: 12px; }
}


/* =============================================================
   Tôn trọng lựa chọn giảm chuyển động của người dùng
============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .minhtv *, .minhtv *::before, .minhtv *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}