/* ============================================================
   TEKORA THEME — dựng theo hệ thống giao diện demo NASANI
   (sourcephp85_v5): font Anton + Arsenal, bố cục topbar/header/
   menu/footer giống mẫu; màu chủ đạo đổi sang xanh TEKORA.
   ============================================================ */

:root {
  --dv-blue: #0b5fa5;        /* màu chủ đạo TEKORA (thay đỏ #e20702 của mẫu) */
  --dv-blue-dark: #083d6e;
  --dv-navy: #0a2e52;        /* nền footer xanh dương đậm như mẫu */
  --dv-yellow: #fce26c;      /* vàng thanh menu như mẫu */
  --dv-yellow-btn: #f9c960;
}

body {
  font-family: 'Be Vietnam Pro', Arial, Helvetica, sans-serif;
}
strong, b { font-family: 'Be Vietnam Pro', Arial, sans-serif; font-weight: 700; }

h1, h2 {
  font-family: 'Be Vietnam Pro', 'Arsenal', sans-serif;
  text-transform: uppercase;
  letter-spacing: .02em;
  font-weight: 400;
}

/* --- Topbar (giống mẫu: trái email | giữa hotline | phải địa chỉ) --- */
.dv-topbar {
  background: var(--dv-blue);
  color: #fff;
  font-size: 13.5px;
}
.dv-topbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.dv-topbar a { color: #fff; text-decoration: none; }
.dv-topbar__phone { font-family: 'Be Vietnam Pro', sans-serif; font-weight: 700; letter-spacing: .03em; }
@media (max-width: 768px) {
  .dv-topbar__addr { display: none; }
}

/* --- Header / menu --- */
.site-header { background: #fff; }
.header-logo__img { max-height: 64px; width: auto; }
.nav-menu > li > a {
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: #1c2733;
}
.nav-menu > li > a:hover,
.nav-menu > li > a.active { color: var(--dv-blue); }
.btn-contact {
  background: var(--dv-blue) !important;
  color: #fff !important;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: .04em;
}
.btn-contact:hover { background: var(--dv-blue-dark) !important; }

/* --- Nút bấm chính --- */
.btn-primary, .btn-submit, button[type="submit"].btn {
  background: var(--dv-blue);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
}
.btn-primary:hover, .btn-submit:hover { background: var(--dv-blue-dark); }

/* --- Footer nền xanh dương đậm như mẫu --- */
.site-footer { background: var(--dv-navy); }
.footer-col__title {
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: .03em;
}

/* --- Bảng giá kiểu digiz --- */
.pricing-note { text-align: center; color: #7a8794; font-size: 14px; margin-top: 18px; }
.pricing-card { border: 1px solid #e3ebf4; border-radius: 20px; background: #fff; }
.pricing-card__amount { font-family: 'Montserrat', sans-serif; color: var(--dv-blue); letter-spacing: .02em; }
.pricing-card__badge {
  background: var(--dv-yellow); color: #5b4a00; font-family: 'Be Vietnam Pro', sans-serif; font-weight: 700;
  border-radius: 999px; padding: 5px 14px;
}
.pricing-card--featured {
  background: linear-gradient(160deg, var(--dv-blue), var(--dv-blue-dark));
  color: #fff; border: none; box-shadow: 0 24px 48px rgba(11,95,165,.28);
}
.pricing-card--featured .pricing-card__amount,
.pricing-card--featured h3 { color: #fff; }
.pricing-card--featured .pricing-card__btn { background: #fff; color: var(--dv-blue); }

/* --- Panel LIÊN HỆ kiểu digiz (tông xanh TEKORA + decor) --- */
.dv-contact { padding: 70px 15px; background: #f4f8fc; }
.dv-contact__panel {
  position: relative; overflow: hidden; max-width: 1200px; margin: 0 auto;
  border-radius: 28px; padding: 48px;
  background: linear-gradient(120deg, #0d6cb8 0%, var(--dv-blue) 42%, var(--dv-blue-dark) 78%, var(--dv-navy) 100%);
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; color: #fff;
  box-shadow: 0 30px 60px rgba(8,61,110,.25);
}
.dv-contact__decor { position: absolute; border-radius: 50%; pointer-events: none; }
.dv-contact__decor--1 { width: 340px; height: 340px; right: -110px; top: -130px; background: rgba(255,255,255,.07); }
.dv-contact__decor--2 { width: 220px; height: 220px; left: -70px; bottom: -90px; border: 34px solid rgba(255,255,255,.06); }
.dv-contact__decor--3 { width: 130px; height: 130px; left: 44%; top: -60px; background: rgba(252,226,108,.14); }
.dv-contact__dots {
  position: absolute; left: 26px; bottom: 22px; width: 180px; height: 84px; opacity: .35; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.5) 1.6px, transparent 1.7px); background-size: 16px 16px;
}
.dv-contact__left, .dv-contact__card { position: relative; z-index: 1; }
.dv-contact__kicker { font-family: 'Montserrat', sans-serif; letter-spacing: .22em; font-size: 13px; color: var(--dv-yellow); margin-bottom: 14px; }
.dv-contact__left h2 { font-size: 40px; line-height: 1.15; color: #fff; margin-bottom: 14px; }
.dv-contact__sub { color: rgba(255,255,255,.85); font-size: 16.5px; max-width: 92%; }
.dv-contact__info { list-style: none; margin-top: 30px; display: grid; gap: 20px; }
.dv-contact__info li { display: flex; gap: 14px; align-items: center; }
.dv-contact__ico {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 14px;
  background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center;
}
.dv-contact__ico svg { width: 21px; height: 21px; color: #fff; }
.dv-contact__info small { display: block; color: rgba(255,255,255,.65); font-size: 13px; }
.dv-contact__info strong { font-size: 16.5px; }
.dv-contact__info a { color: #fff; text-decoration: none; }
.dv-contact__card { background: #fff; color: #1c2733; border-radius: 20px; padding: 30px; box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.dv-contact__card h3 { font-family: 'Montserrat', sans-serif; font-size: 21px; letter-spacing: .02em; margin-bottom: 18px; color: var(--dv-navy); }
.dv-contact__row { margin-bottom: 13px; }
.dv-contact__row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
.dv-contact input[type="text"], .dv-contact input[type="tel"], .dv-contact input[type="email"], .dv-contact textarea {
  width: 100%; border: 1px solid #e4eaf1; background: #f6f8fb; border-radius: 12px;
  padding: 13px 15px; font-family: 'Be Vietnam Pro', sans-serif; font-size: 15px; outline: none; resize: vertical;
}
.dv-contact input:focus, .dv-contact textarea:focus { border-color: var(--dv-blue); background: #fff; box-shadow: 0 0 0 3px rgba(11,95,165,.12); }
.dv-contact__label { font-weight: 700; font-size: 14.5px; margin: 4px 0 10px; }
.dv-contact__pills { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 15px; }
.dv-pill input { position: absolute; opacity: 0; pointer-events: none; }
.dv-pill span {
  display: inline-block; padding: 8px 15px; border-radius: 999px; background: #eef3f9; color: #41505f;
  font-size: 14px; cursor: pointer; transition: all .15s;
}
.dv-pill input:checked + span { background: var(--dv-blue); color: #fff; }
.dv-contact__btn {
  width: 100%; border: none; cursor: pointer; padding: 15px; border-radius: 999px;
  background: linear-gradient(90deg, #0d6cb8, var(--dv-blue-dark)); color: #fff;
  font-family: 'Montserrat', sans-serif; font-size: 16px; letter-spacing: .05em; text-transform: uppercase;
}
.dv-contact__btn:hover { filter: brightness(1.1); }
.dv-contact__note { text-align: center; color: #93a1af; font-size: 12.5px; margin-top: 13px; }
@media (max-width: 900px) {
  .dv-contact__panel { grid-template-columns: 1fr; padding: 30px 22px; gap: 30px; }
  .dv-contact__left h2 { font-size: 31px; }
  .dv-contact__row--2 { grid-template-columns: 1fr; }
}

/* --- Mục DỰ ÁN kiểu digiz (khung trình duyệt) --- */
.dv-projects { padding: 76px 15px 60px; background: radial-gradient(900px 420px at 85% 0%, rgba(11,95,165,.07), transparent 60%), #fff; }
.dv-projects__inner { max-width: 1200px; margin: 0 auto; }
.dv-projects__heading { text-align: center; max-width: 720px; margin: 0 auto 42px; }
.dv-projects__tag { font-family: 'Montserrat', sans-serif; letter-spacing: .22em; font-size: 13px; color: var(--dv-blue); text-transform: uppercase; }
.dv-projects__heading h2 { font-size: 40px; margin: 10px 0 12px; color: var(--dv-navy); }
.dv-projects__heading h2 span { color: var(--dv-blue); }
.dv-projects__heading p { color: #66727f; font-size: 16.5px; }
.dv-projects__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 26px; }
.dv-project { text-decoration: none; color: inherit; display: block; }
.dv-project--big { grid-row: span 2; }
.dv-browser { display: block; border-radius: 18px; overflow: hidden; border: 1px solid #e6edf5; background: #fff; box-shadow: 0 16px 38px rgba(8,61,110,.10); transition: transform .25s, box-shadow .25s; }
.dv-project:hover .dv-browser { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(8,61,110,.16); }
.dv-browser__bar { display: flex; align-items: center; gap: 12px; background: #f2f6fa; padding: 9px 14px; border-bottom: 1px solid #e6edf5; }
.dv-browser__dots { display: inline-flex; gap: 6px; }
.dv-browser__dots i { width: 10px; height: 10px; border-radius: 50%; background: #f26d6d; display: block; }
.dv-browser__dots i:nth-child(2) { background: #f5bf4f; }
.dv-browser__dots i:nth-child(3) { background: #57c46a; }
.dv-browser__url { flex: 1; max-width: 340px; margin: 0 auto; background: #fff; border: 1px solid #e6edf5; border-radius: 8px; font-size: 12.5px; color: #8494a5; text-align: center; padding: 3px 10px; }
.dv-browser img { width: 100%; height: 100%; max-height: 300px; object-fit: cover; display: block; }
.dv-project--big .dv-browser img { max-height: 600px; height: 600px; }
.dv-project__meta { display: flex; align-items: center; gap: 10px; margin-top: 16px; }
.dv-project__pill { background: rgba(11,95,165,.1); color: var(--dv-blue); font-weight: 700; font-size: 13px; border-radius: 999px; padding: 4px 13px; }
.dv-project__cat { color: #8494a5; font-size: 14px; }
.dv-project h3 { font-family: 'Montserrat', sans-serif; font-size: 21px; letter-spacing: .02em; margin: 9px 0 6px; color: var(--dv-navy); text-transform: uppercase; }
.dv-project p { color: #66727f; font-size: 15px; }
.dv-project__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.dv-chip { background: #f2f6fa; color: #41505f; font-size: 13px; border-radius: 999px; padding: 5px 12px; }
.dv-projects__more { text-align: center; margin-top: 36px; }
.dv-projects__btn {
  display: inline-block; padding: 13px 30px; border-radius: 999px; border: 2px solid var(--dv-blue);
  color: var(--dv-blue); font-family: 'Montserrat', sans-serif; letter-spacing: .04em; text-decoration: none; text-transform: uppercase;
}
.dv-projects__btn:hover { background: var(--dv-blue); color: #fff; }
@media (max-width: 900px) {
  .dv-projects__grid { grid-template-columns: 1fr; }
  .dv-project--big { grid-row: auto; }
  .dv-projects__heading h2 { font-size: 30px; }
}

/* Tieu de Be Vietnam Pro dam */
h1, h2, h3 { font-weight: 800; }
/* Icon cac buoc quy trinh (SVG inline) */
.process-step__icon { width: 54px; height: 54px; flex: 0 0 54px; border-radius: 15px; background: #eef4fb; color: var(--dv-blue); display: flex; align-items: center; justify-content: center; }
.process-step__icon svg { width: 27px; height: 27px; }
.process-label__img { background: radial-gradient(300px 200px at 70% 20%, rgba(11,95,165,.14), transparent 70%); border-radius: 20px; }

/* Nav: chu nho di 3px, font Montserrat nhu digiz */
.nav-menu > li > a { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.86rem; }
.nav-menu .arrow svg { transition: transform .2s; }
.has-dropdown:hover .arrow svg { transform: rotate(180deg); }
/* Hover: phong to nhe cac element */
.process-row, .pricing-card, .advantage-card, .brand-card { transition: transform .25s ease, box-shadow .25s ease; }
.process-row:hover { transform: scale(1.02); }
.pricing-card:hover { transform: translateY(-4px) scale(1.015); }
.advantage-card:hover, .brand-card:hover { transform: translateY(-3px) scale(1.02); }
/* Khoi 3D isometric cho quy trinh */
.dv-cube { width: 78px; height: 78px; flex: 0 0 78px; filter: drop-shadow(0 12px 14px rgba(8,61,110,.20)); }
.process-step__icon { background: #f4f9fd; border-radius: 16px; width: 62px; height: 62px; flex: 0 0 62px; }
.process-step__icon svg { width: 46px; height: 46px; }
.process-section { position: relative; overflow: hidden; }
.process-section::before { content: ''; position: absolute; left: -140px; top: 60px; width: 400px; height: 400px; border-radius: 50%; background: radial-gradient(circle, rgba(11,95,165,.13), transparent 65%); pointer-events: none; }
.dv-tri { position: absolute; width: 0; height: 0; border-left: 9px solid transparent; border-right: 9px solid transparent; border-bottom: 16px solid #f5bf4f; opacity: .85; pointer-events: none; }

/* --- FOOTER dong bo xanh TEKORA --- */
.footer-main { background: linear-gradient(165deg, #0d6cb8 0%, var(--dv-blue) 34%, var(--dv-blue-dark) 68%, #062544 100%) !important; }
.footer-main::before { color: rgba(255,255,255,.05) !important; }
.footer-main::after { background: radial-gradient(circle, rgba(87,168,236,.22) 0%, transparent 70%) !important; }
/* Mau chu footer: nang tuong phan tren nen xanh sang (ban cu de chu xam slate cua nen toi nen kho doc) */
.footer-col { color: #d9e9f8 !important; }
.footer-col__title { color: #fff !important; border-bottom-color: rgba(255,255,255,.20) !important; }
.footer-col__title::after { background: linear-gradient(90deg, var(--dv-yellow), #57a8ec) !important; }
.footer-brand__company { color: #fff !important; font-size: 1.05rem !important; }
.footer-info li { color: #d0e4f6 !important; }
.footer-info__icon { color: #9fd0ff !important; }
.footer-links a { color: #d9e9f8 !important; }
.footer-links a:hover { color: #fff !important; }
.footer-links li::before { color: #8ec9f5 !important; }
.footer-support__label, .footer-support__follow { color: #aacdec !important; }
/* So dien thoai: ha co chu ve cung thang bac voi footer (ban cu to bat lech), email tra ve kieu chu thuong */
.footer-support__phone { color: #fff !important; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.05rem !important; letter-spacing: .01em; }
.footer-support__phone--alt { color: #d9e9f8 !important; font-family: 'Be Vietnam Pro', sans-serif; font-weight: 600; font-size: .95rem !important; letter-spacing: 0; }
.footer-support__phone--alt:hover { color: #fff !important; text-decoration: underline; }
.footer-social__link { background: rgba(255,255,255,.10) !important; border-color: rgba(255,255,255,.16) !important; color: #eaf3fc !important; }
.footer-social__link:hover { background: rgba(255,255,255,.22) !important; color: #fff !important; }
.footer-copy p { color: #9db8d2 !important; }
.footer-copy strong { color: #e6f0fa !important; }
.footer-fanpage { background: #fff; border-radius: 12px; padding: 8px; overflow: hidden; }
.dv-footer__logochip { background: #fff; border-radius: 12px; padding: 9px 16px; display: inline-block; margin-bottom: 16px; box-shadow: 0 8px 20px rgba(0,0,0,.18); }
.dv-footer__logochip img { height: 42px; width: auto; display: block; }
.dv-footer__cta { display: block; margin-top: 14px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.28); color: #cfe3f5; border-radius: 12px; padding: 12px 14px; text-align: center; text-decoration: none; font-size: 14px; line-height: 1.5; }
.dv-footer__cta strong { color: #fff; font-family: 'Montserrat', sans-serif; font-size: 18px; }
.dv-footer__cta:hover { background: rgba(255,255,255,.18); }
.footer-copy { background: #041a30 !important; }

.process-label h2 { font-size: clamp(27px, 3vw, 38px); }

/* Fix 22:14: tieu de quy trinh khong con bi de (bo nowrap, cho xuong dong gon) */
.process-label h2 { white-space: normal; font-size: clamp(26px, 2.4vw, 34px); line-height: 1.3; }
/* Gia: "Lien he / tron goi" khong xuong hang giua chung */
.pricing-card__price { display: flex; align-items: baseline; gap: 7px; flex-wrap: nowrap; }
.pricing-card__unit { white-space: nowrap; }
/* Mui ten menu: can giua theo chieu doc */
.nav-menu li.has-dropdown > a { display: inline-flex; align-items: center; gap: 6px; }
.nav-menu .arrow { display: inline-flex; align-items: center; line-height: 0; }

/* ===== HERO OVERLAY ===== */
.slideshow { position: relative; }
.hero-overlay { position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; background: linear-gradient(90deg, rgba(4,26,48,.74) 0%, rgba(4,26,48,.48) 48%, rgba(4,26,48,.06) 78%); pointer-events: none; }
.hero-overlay__inner { width: min(1200px, 92%); margin: 0 auto; max-width: none; }
.hero-overlay__inner > * { max-width: 620px; }
.hero-overlay__kick { display: inline-block; background: rgba(252,226,108,.92); color: #5b4a00; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.hero-overlay h1 { color: #fff; font-size: clamp(28px, 4.2vw, 52px); line-height: 1.14; margin: 0 0 14px; text-shadow: 0 3px 18px rgba(0,0,0,.35); }
.hero-overlay h1 span { color: var(--dv-yellow); }
.hero-overlay__sub { color: #dcecf9; font-size: clamp(14px, 1.4vw, 17px); line-height: 1.65; margin: 0 0 24px; }
.hero-overlay__cta { display: flex; gap: 12px; flex-wrap: wrap; pointer-events: auto; }
.hero-btn { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; padding: 13px 26px; border-radius: 999px; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.hero-btn--primary { background: var(--dv-yellow); color: #4a3a00; box-shadow: 0 10px 24px rgba(0,0,0,.28); }
.hero-btn--ghost { background: rgba(255,255,255,.14); color: #fff; border: 1.5px solid rgba(255,255,255,.65); }
.hero-btn:hover { transform: translateY(-2px) scale(1.02); }
.slide-btn, .slide-dots { z-index: 5; }
@media (max-width: 640px) {
  .hero-overlay__sub { display: none; }
  .hero-btn { padding: 10px 18px; font-size: 13.5px; }
  /* Mobile: chu slideshow nho lai cho vua khung 220px, tranh mui ten de len chu */
  .hero-overlay__inner { padding: 0 30px; }
  .hero-overlay__kick { font-size: 10.5px; padding: 5px 11px; margin-bottom: 10px; letter-spacing: .05em; }
  .hero-overlay h1 { font-size: 19px; line-height: 1.25; margin-bottom: 10px; }
  .hero-overlay__cta { gap: 8px; }
  .hero-btn { padding: 9px 15px; font-size: 12.5px; }
}

/* ===== TIEU DE MUC DUNG CHUNG ===== */
.dv-sec__kick { text-align: center; color: var(--dv-blue); font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.dv-sec__title { text-align: center; font-size: clamp(25px, 3vw, 36px); color: #12283f; margin: 0 0 12px; }
.dv-sec__sub { text-align: center; color: #5b7186; max-width: 680px; margin: 0 auto 36px; line-height: 1.7; }

/* ===== DICH VU ===== */
.dv-services { position: relative; overflow: hidden; padding: 72px 24px; background: linear-gradient(180deg, #ffffff, #eef6fd); }
.dv-services::before { content: 'TEKORA'; position: absolute; top: 6px; right: -14px; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(70px, 11vw, 140px); line-height: 1; color: transparent; -webkit-text-stroke: 1.5px rgba(11,95,165,.09); pointer-events: none; }
.dv-services__inner { max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; }
.dv-services__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.dv-service-card { background: #fff; border: 1px solid #e2edf7; border-radius: 18px; overflow: hidden; box-shadow: 0 6px 20px rgba(8,61,110,.06); transition: transform .25s, box-shadow .25s; }
.dv-service-card:hover { transform: translateY(-5px); box-shadow: 0 16px 34px rgba(8,61,110,.13); }
.dv-service-card__img { height: 168px; overflow: hidden; }
.dv-service-card__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dv-service-card__body { padding: 20px 22px 24px; position: relative; }
.dv-service-card__num { position: absolute; top: -19px; right: 18px; background: linear-gradient(135deg, #57a8ec, var(--dv-blue)); color: #fff; font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 13px; padding: 7px 11px; border-radius: 10px; box-shadow: 0 6px 14px rgba(11,95,165,.3); }
.dv-service-card__body h3 { font-size: 18.5px; color: #12283f; margin: 0 0 9px; }
.dv-service-card__body p { color: #5b7186; font-size: 14.5px; line-height: 1.65; margin: 0 0 13px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.dv-service-card__link { color: var(--dv-blue); font-weight: 700; font-size: 14px; text-decoration: none; font-family: 'Montserrat', sans-serif; }
.dv-tech { margin-top: 34px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; justify-content: center; }
.dv-tech__label { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #33475e; font-size: 14.5px; }
.dv-tech__chips { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.dv-tech__chips span { background: #fff; border: 1px solid #cfdff0; color: #20507e; font-size: 13.5px; font-weight: 600; padding: 6px 13px; border-radius: 999px; }
@media (max-width: 960px) { .dv-services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .dv-services__grid { grid-template-columns: 1fr; } }

/* ===== FEEDBACK ===== */
.dv-testi { position: relative; overflow: hidden; padding: 72px 24px; background: #f4fafe; }
.dv-testi::before { content: 'FEEDBACK'; position: absolute; bottom: 2px; left: -10px; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(64px, 10vw, 128px); line-height: 1; color: transparent; -webkit-text-stroke: 1.5px rgba(11,95,165,.08); pointer-events: none; }
.dv-testi::after { content: ''; position: absolute; top: -120px; right: -120px; width: 340px; height: 340px; border-radius: 50%; background: radial-gradient(circle, rgba(231,155,181,.20), transparent 65%); pointer-events: none; }
.dv-testi__inner { max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; }
.dv-testi__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.dv-testi-card { background: #fff; border: 1px solid #e2edf7; border-radius: 18px; padding: 26px 26px 22px; margin: 0; box-shadow: 0 6px 20px rgba(8,61,110,.06); position: relative; transition: transform .25s; }
.dv-testi-card:hover { transform: translateY(-4px) scale(1.01); }
.dv-testi-card::before { content: '\201D'; position: absolute; top: 2px; right: 20px; font-family: Georgia, serif; font-size: 74px; color: rgba(11,95,165,.12); line-height: 1; }
.dv-testi-card__stars { color: #f5b921; font-size: 17px; letter-spacing: 3px; margin-bottom: 12px; }
.dv-testi-card blockquote { margin: 0 0 18px; color: #3c546e; font-size: 15px; line-height: 1.7; }
.dv-testi-card figcaption strong { display: block; font-family: 'Montserrat', sans-serif; color: #12283f; font-size: 15.5px; }
.dv-testi-card figcaption span { color: #7b93ab; font-size: 13.5px; }
@media (max-width: 960px) { .dv-testi__grid { grid-template-columns: 1fr; } }

/* ===== FAQ ===== */
.dv-faq { position: relative; overflow: hidden; padding: 72px 24px 80px; background: linear-gradient(180deg, #f4fafe, #e9f3fc); }
.dv-faq::before { content: 'HỎI ĐÁP'; position: absolute; top: 8px; left: -8px; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(64px, 10vw, 126px); line-height: 1; color: transparent; -webkit-text-stroke: 1.5px rgba(11,95,165,.08); pointer-events: none; }
.dv-faq::after { content: ''; position: absolute; bottom: -140px; left: -120px; width: 360px; height: 360px; border-radius: 50%; background: radial-gradient(circle, rgba(87,168,236,.18), transparent 65%); pointer-events: none; }
.dv-faq__inner { max-width: 880px; margin: 0 auto; position: relative; z-index: 1; }
.dv-faq__list { margin-top: 34px; display: flex; flex-direction: column; gap: 12px; }
.dv-faq-item { background: #fff; border: 1px solid #dce9f5; border-radius: 14px; overflow: hidden; }
.dv-faq-item__q { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 14px; background: none; border: 0; cursor: pointer; text-align: left; padding: 17px 20px; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15.5px; color: #17334f; }
.dv-faq-item__icon { flex: 0 0 auto; width: 28px; height: 28px; border-radius: 50%; background: #e8f2fb; color: var(--dv-blue); display: inline-flex; align-items: center; justify-content: center; font-size: 19px; font-weight: 700; transition: transform .3s, background .3s; }
.dv-faq-item.open .dv-faq-item__icon { transform: rotate(45deg); background: var(--dv-blue); color: #fff; }
.dv-faq-item__a { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s ease; }
.dv-faq-item.open .dv-faq-item__a { grid-template-rows: 1fr; }
.dv-faq-item__a p { overflow: hidden; margin: 0; padding: 0 20px; color: #54687e; font-size: 14.5px; line-height: 1.7; }
.dv-faq-item.open .dv-faq-item__a p { padding-bottom: 18px; }

/* ===== DECOR MO AN THEM CHO CAC MUC CON TRONG ===== */
.vision-section, .advantage-section, .stats-section { position: relative; overflow: hidden; }
.vision-section::after, .advantage-section::after { content: ''; position: absolute; width: 230px; height: 230px; background-image: radial-gradient(rgba(11,95,165,.13) 1.6px, transparent 1.8px); background-size: 18px 18px; pointer-events: none; }
.vision-section::after { top: 18px; right: 12px; }
.advantage-section::after { bottom: 14px; left: 10px; }
.stats-section::before { content: ''; position: absolute; top: -130px; right: -110px; width: 330px; height: 330px; border-radius: 50%; background: radial-gradient(circle, rgba(87,168,236,.16), transparent 65%); pointer-events: none; }
.domain-check { position: relative; overflow: hidden; }
.domain-check::before { content: ''; position: absolute; bottom: -120px; left: -100px; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(252,226,108,.20), transparent 65%); pointer-events: none; }

/* ===== DECOR BATCH 2 (22:38): ghost lui xuong goc duoi, nen giau hoa tiet hon ===== */
.dv-services::before { top: auto; bottom: 4px; right: -12px; font-size: clamp(60px, 9vw, 118px); -webkit-text-stroke-color: rgba(11,95,165,.07); }
.dv-faq::before { top: auto; bottom: 4px; left: -10px; -webkit-text-stroke-color: rgba(11,95,165,.07); }
.dv-services { background-image: radial-gradient(rgba(11,95,165,.05) 1.5px, transparent 1.7px), linear-gradient(180deg, #ffffff, #e9f4fd); background-size: 22px 22px, 100% 100%; }
.dv-testi { background-image: radial-gradient(rgba(11,95,165,.04) 1.5px, transparent 1.7px); background-size: 22px 22px; }
.dv-faq { background-image: radial-gradient(rgba(11,95,165,.04) 1.5px, transparent 1.7px), linear-gradient(180deg, #f4fafe, #e9f3fc); background-size: 22px 22px, 100% 100%; }
.dv-projects { background: linear-gradient(180deg, #ffffff, #edf6fd); position: relative; overflow: hidden; }
.dv-projects::before { content: ''; position: absolute; top: -120px; left: -110px; width: 330px; height: 330px; border-radius: 50%; background: radial-gradient(circle, rgba(87,168,236,.17), transparent 65%); pointer-events: none; }
.dv-projects::after { content: ''; position: absolute; bottom: 16px; right: 14px; width: 230px; height: 230px; background-image: radial-gradient(rgba(11,95,165,.12) 1.6px, transparent 1.8px); background-size: 18px 18px; pointer-events: none; }
.pricing-section { background-image: radial-gradient(560px 260px at 6% -40px, rgba(87,168,236,.13), transparent 60%), radial-gradient(640px 300px at 102% 108%, rgba(252,226,108,.13), transparent 60%); }
.vision-section { background-image: radial-gradient(500px 260px at -60px 110%, rgba(87,168,236,.13), transparent 60%), linear-gradient(160deg, #eef6fd, #f7fbff); background-size: 100% 100%, 100% 100%; }
.advantage-section { background-image: radial-gradient(520px 280px at 104% -40px, rgba(231,155,181,.15), transparent 60%), linear-gradient(180deg, #ffffff, #f4fafe); background-size: 100% 100%, 100% 100%; }
.stats-section { background-image: radial-gradient(rgba(11,95,165,.04) 1.5px, transparent 1.7px); background-size: 22px 22px; }
.domain-check::after { content: ''; position: absolute; top: 16px; right: 14px; width: 210px; height: 210px; background-image: radial-gradient(rgba(11,95,165,.12) 1.6px, transparent 1.8px); background-size: 18px 18px; pointer-events: none; }

/* Du an: dung 4 cai noi bat — the thu 4 (cuoi) tran hang cho can */
.dv-projects__grid > *:nth-child(4):last-child { grid-column: 1 / -1; }

/* ===== Du an: bo cuc deu 2x2 (22:47) — bo kieu 1 to 3 nho lech hang ===== */
.dv-projects__grid { grid-template-columns: 1fr 1fr; gap: 28px; }
.dv-project--big { grid-row: auto; }
.dv-projects__grid > *:nth-child(4):last-child { grid-column: auto; }
.dv-browser img, .dv-project--big .dv-browser img { width: 100%; height: auto; aspect-ratio: 16/10; max-height: none; object-fit: cover; }

/* ===== MOBILE FIX (23:03): Quy trinh bo le bac thang (inline margin), Du an ve 1 cot ===== */
@media (max-width: 900px) {
  .dv-projects__grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .process-row { margin-left: 0 !important; gap: 10px; padding: 12px; }
  .process-step__info { min-width: 0; flex: 1; }
  .dv-cube { width: 60px; height: 60px; flex-basis: 60px; }
}

/* ===== TRANG TRONG — GIAI DOAN 2 (00:05 12/11): decor chung ghost/cham/quang sang tong xanh TEKORA ===== */
.has-decor { position: relative; overflow: hidden; }
.has-decor > :not(.page-ghost):not(.page-dots):not(.page-glow) { position: relative; z-index: 1; }
.has-decor h1 { font-family: 'Montserrat', sans-serif; text-transform: uppercase; }
.page-ghost { position: absolute; bottom: 2px; right: -8px; z-index: 0; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(64px, 10vw, 128px); line-height: 1; letter-spacing: .02em; text-transform: uppercase; color: transparent; -webkit-text-stroke: 1.5px rgba(11,95,165,.08); pointer-events: none; user-select: none; white-space: nowrap; }
.page-ghost--light { -webkit-text-stroke-color: rgba(255,255,255,.07); }
.page-dots { position: absolute; top: 18px; right: 16px; width: 220px; height: 220px; background-image: radial-gradient(rgba(11,95,165,.13) 1.6px, transparent 1.8px); background-size: 18px 18px; pointer-events: none; z-index: 0; }
.page-dots--light { background-image: radial-gradient(rgba(255,255,255,.16) 1.6px, transparent 1.8px); }
.page-glow { position: absolute; top: -120px; left: -110px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(87,168,236,.16), transparent 65%); pointer-events: none; z-index: 0; }
.page-glow--light { background: radial-gradient(circle, rgba(144,202,249,.20), transparent 65%); }
.page-crumb { display: flex; gap: 6px; align-items: center; justify-content: center; flex-wrap: wrap; font-size: .82rem; color: #7a8aa0; margin-bottom: 14px; }
.page-crumb a { color: #1565c0; text-decoration: none; font-weight: 600; }
.page-crumb a:hover { text-decoration: underline; }
.page-crumb .sep { color: #b0becf; }
.page-crumb--left { justify-content: flex-start; }
.page-crumb--light { color: rgba(255,255,255,.7); }
.page-crumb--light a { color: rgba(255,255,255,.9); }
.page-crumb--light .sep { color: rgba(255,255,255,.5); }

/* ===== POLISH: khung thẻ dự án trang chủ — cắt mô tả gọn, chip có viền ===== */
.dv-project p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.dv-chip { border: 1px solid #e2eaf2; }
.dv-project:hover h3 { color: var(--dv-blue); }
.dv-project h3 { transition: color 0.2s; }


/* ===== MOBILE (2026-11-12): luoi the dai -> 1 HANG NGANG TU CHAY =====
   Dich vu / Du an / Bang gia / Cam nhan: thay vi xep chong doc rat dai,
   tren mobile gom thanh 1 hang ngang, tu truot qua tung the (JS o index.ejs),
   khach van vuot tay duoc. */
@media (max-width: 768px) {
  .dv-services__grid,
  .dv-projects__grid,
  .pricing-grid,
  .dv-testi__grid {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 14px;
    padding: 6px 2px 16px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .dv-services__grid::-webkit-scrollbar,
  .dv-projects__grid::-webkit-scrollbar,
  .pricing-grid::-webkit-scrollbar,
  .dv-testi__grid::-webkit-scrollbar { display: none; }
  .dv-services__grid > *,
  .dv-projects__grid > *,
  .pricing-grid > *,
  .dv-testi__grid > * {
    flex: 0 0 82%;
    max-width: 82%;
    scroll-snap-align: start;
    margin: 0;
  }
  .dv-projects__grid > * { flex-basis: 85%; max-width: 85%; }
}