* {
  box-sizing: border-box;
  /* Font Nunito ưu tiên số 1, nếu lỗi sẽ dùng font hệ thống (system-ui) */
  font-family: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto,
    sans-serif !important;
}
:root {
  --blue: #0a2540; /* Deep Tech Blue */
  --green: #2ecc71; /* Energy Green */
  --text: #333333;
  --bg: #f8f9fa; /* Section background */
  --card: #ffffff; /* Card background */
  --muted: #6c7a86;
  --shadow-sm: 0 8px 20px rgba(10, 37, 64, 0.1);
  --shadow-md: 0 14px 36px rgba(10, 37, 64, 0.16);
  --radius: 16px;
  --radius-sm: 12px;
  --max: 1200px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Nunito", system-ui, -apple-system, Segoe UI, Roboto, Helvetica,
    Arial;
  color: var(--text);
  background: #fff;
  line-height: 1.65;
}
h1,
h2,
h3,
h4,
h5,
h6,
input,
textarea,
button,
select,
a,
.btn {
  font-family: "Nunito", system-ui, sans-serif !important;
}
h1,
h2,
h3,
h4 {
  margin: 0 0 12px;
  line-height: 1.2;
  color: #0b1f33;
}
h1 {
  font-weight: 800;
}
h2 {
  font-weight: 800;
  font-size: 32px;
}
p {
  margin: 0 0 14px;
}
a {
  text-decoration: none;
  color: inherit;
}
img,
video {
  max-width: 100%;
  display: block;
}
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}
section {
  padding: 96px 0;
  position: relative;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.2px;
  padding: 14px 22px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(46, 204, 113, 0.25);
  transform: translateZ(0);
  transition: transform 0.18s ease, box-shadow 0.25s ease, filter 0.2s ease,
    background 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.05);
  box-shadow: 0 18px 40px rgba(46, 204, 113, 0.35);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #ffffffaa;
  box-shadow: none;
}
.btn-outline:hover {
  background: #ffffff12;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.15);
}
/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: saturate(140%) blur(15px);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  color: #0a2540;
  letter-spacing: 0.3px;
}
.logo {
  width: 60px;
  height: 40px;
  background-image: url("Picture1.png");
  background-size: cover;
  position: relative;
}
.nav-links {
  margin-left: auto;
  margin-right: 10px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-links a {
  color: #0a2540;
  font-weight: 700;
  font-size: 15px;
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}
.nav-links a:hover {
  background: rgba(10, 37, 64, 0.06);
}
.header.solid {
  background: #fff;
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.12);
}
.menu-toggle {
  display: none;
}
/* Hero */
.hero {
  height: 100vh;
  min-height: 620px;
  position: relative;
  color: #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.hero video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(110%) contrast(105%);
}
.hero .overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 37, 64, 0.6);
  backdrop-filter: saturate(130%) brightness(1.05);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  padding: 120px 20px 80px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 36px;
  align-items: center;
}
.hero h1 {
  font-size: 50px;
  color: #fff;
}
.hero p.lead {
  font-size: 18px;
  color: #eaf2f9;
  margin: 8px 0 18px;
}
.glass {
  background: linear-gradient(180deg, #ffffffeb, #ffffffd6);
  color: #0a2540;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 22px;
}
.kpis {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.kpi {
  background: #ffffff;
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
  min-width: 150px;
}
.kpi .num {
  font-size: 26px;
  font-weight: 900;
  color: #0a2540;
}
.kpi .lbl {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}
/* Section heads */
.section-head {
  margin: 0 0 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.sub {
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.25px;
}
/* Why */
.why {
  background: var(--bg);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.card {
  /*background: var(--card);*/
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.25s ease;
}
.thunhat {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url("solar.jpg");
  opacity: 0.9;
  background-size: cover;
  backdrop-filter: saturate(130%) brightness(0.5);
}
.thuhai {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url("pexels-kindelmedia-9799712.jpg");
  opacity: 0.9;
  background-size: cover;
}
.thuba {
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)),
    url("pexels-cristian-rojas-8853507.jpg");
  opacity: 0.9;
  background-size: cover;
}
.thutu {
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url("im4.jpg");
  opacity: 0.9;
  background-size: cover;
}

.count {
  font-size: 26px;
  font-weight: 900;
  color: white; /* Thay đổi màu chữ thành trắng */
  margin-bottom: 6px;
}

.card h3 {
  font-size: 18px; /* Đảm bảo kích thước tiêu đề, thêm nếu chưa có */
  font-weight: 700;
  color: #ffffff; /* Thay đổi màu tiêu đề thành trắng */
  margin: 0 0 10px;
}

.card p {
  font-size: 14px;
  color: #ffffff; /* Thay đổi màu đoạn văn thành trắng */
  margin: 0;
}
.count {
  font-size: 26px;
  font-weight: 900;
  color: #ffffff; /* Đảm bảo số thành màu trắng */
  margin-bottom: 6px;
}

/* Đảm bảo áp dụng cho các phần tử có data-to và data-suffix */
.count[data-to] {
  color: #ffffff; /* Áp dụng màu trắng cho số có data-to */
}

/* Nếu bạn muốn suffix (%+) cũng trắng, thêm style này */

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.line-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 10px;
  background: linear-gradient(145deg, #eaf3ff, #ffffff);
  border: 1px solid #e6eef5;
}
.line-icon svg {
  stroke: #0a2540;
}
.count {
  font-size: 26px;
  font-weight: 900;
  color: #0a2540;
  margin-bottom: 6px;
}
/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 26px;
  align-items: center;
}
.about-img-wrap {
  position: relative;
}
.about-img {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transform: translateY(6px);
}
.card1 {
  background: linear-gradient(
    135deg,
    /* 0,0 → 1,1 nghĩa là chéo từ trên trái sang dưới phải */ #0a2540 0%,
    #123a64 60%,
    #2ecc71 100%
  );
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.25s ease;
}
.card1 h3 {
  font-size: 18px; /* Đảm bảo kích thước tiêu đề, thêm nếu chưa có */
  font-weight: 700;
  color: #ffffff; /* Thay đổi màu tiêu đề thành trắng */
  margin: 0 0 10px;
}

.card1 li {
  font-size: 16px;
  color: #ffffff; /* Thay đổi màu đoạn văn thành trắng */
  margin: 0;
}
.about-float {
  position: static;
  right: -24px;
  bottom: -24px;
  background: #fff;
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: var(--shadow-md);
}
.tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 14px 0 8px;
}
.tab-btn {
  padding: 10px 14px;
  border-radius: 999px;
  border: 2px solid #dfe7ef;
  background: #fff;
  color: #0e2d4b;
  font-size: 20;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab-btn.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.tab-panel {
  display: none;
  animation: fadeIn 0.35s ease;
}
.tab-panel.active {
  display: block;
}

/* Milestones */
.milestones {
  background: var(--bg);
}
.timeline {
  position: relative;
  padding: 10px 0 0;
}
.timeline:before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(#dfe7ef, #bcd2ff);
  border-radius: 6px;
}
.mile {
  position: relative;
  margin: 0 0 22px 0;
  padding-left: 60px;
}
.dot {
  position: absolute;
  left: 10px;
  top: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--green);
  box-shadow: 0 6px 18px rgba(46, 204, 113, 0.35);
}
.mile .year {
  font-weight: 900;
  color: var(--blue);
  margin-bottom: 6px;
}
.mile .big {
  font-size: 22px;
  font-weight: 900;
  color: #0a2540;
}
/* Solutions */
.solutions .grid-4 {
  gap: 22px;
}
.solution {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 260px;
  background: #0b1f33;
  background-image: radial-gradient(
      700px 220px at -10% 0%,
      rgba(46, 204, 113, 0.18),
      transparent 60%
    ),
    linear-gradient(180deg, #0a2540, #0b213a);
  color: #eaf2f9;
}
.solution .body {
  padding: 22px;
}
.solution .cover {
  height: 130px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  filter: brightness(0.95) saturate(1.05);
  transition: transform 0.5s ease;
}
.solution:hover .cover {
  transform: scale(1.06);
}
.solution .title {
  font-weight: 800;
  color: #fff;
}
.solution .more {
  margin-top: auto;
  padding: 0 22px 20px;
}
.link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-weight: 800;
  transition: transform 0.18s ease, color 0.18s ease;
}
.link:hover {
  transform: translateX(2px);
  color: #6ee39a;
}
.cover1 {
  background-image: url("img2.jpg");
  background-size: cover; /* cho ảnh phủ kín khung */
  background-position: center; /* canh giữa ảnh */
  background-repeat: no-repeat; /* không lặp ảnh */
  width: 100%;
  height: 200px; /* hoặc đặt chiều cao mong muốn */
}
.cover2 {
  background-image: url("img1.jpg");
  background-size: cover; /* cho ảnh phủ kín khung */
  background-position: center; /* canh giữa ảnh */
  background-repeat: no-repeat; /* không lặp ảnh */
  width: 100%;
  height: 200px; /* hoặc đặt chiều cao mong muốn */
}
.cover3 {
  background-image: url("img3.jpg");
  background-size: cover; /* cho ảnh phủ kín khung */
  background-position: center; /* canh giữa ảnh */
  background-repeat: no-repeat; /* không lặp ảnh */
  width: 100%;
  height: 200px; /* hoặc đặt chiều cao mong muốn */
}
.cover4 {
  background-image: url("img4.png");
  background-size: cover; /* cho ảnh phủ kín khung */
  background-position: center; /* canh giữa ảnh */
  background-repeat: no-repeat; /* không lặp ảnh */
  width: 100%;
  height: 200px; /* hoặc đặt chiều cao mong muốn */
}

/* Projects */
.projects .grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.project {
  padding: 0;
  overflow: hidden;
}
.project .thumb {
  aspect-ratio: 16/9;
  background: #cbd8e6;
  position: relative;
  overflow: hidden;
}
.project .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: transform 0.5s ease;
}
.project:hover .thumb img {
  transform: scale(1.08);
}
.project .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.65), transparent 55%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  color: #fff;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.project:hover .overlay {
  opacity: 1;
}
.overlay .meta {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  padding: 10px 12px;
}
.pill {
  display: inline-block;
  padding: 6px 10px;
  background: #eef5ff;
  color: #0a2540;
  border-radius: 999px;
  font-weight: 800;
  font-size: 12px;
}
.overlay .btn {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 14px;
  box-shadow: none;
}
/* Partners */
.partners {
  background: var(--bg);
}
.carousel {
  overflow: hidden;
  position: relative;
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.track {
  display: flex;
  gap: 34px;
  align-items: center;
  padding: 18px;
  width: max-content;
  animation: logos 14s linear infinite;
}
@keyframes logos {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-25%);
  }
}

/* Contact */
.contact {
  background: linear-gradient(180deg, #0a2540, #081c31);
  color: #eaf2f9;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 26px;
  align-items: stretch;
}
.contact .card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #eaf2f9;
}
form .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
label {
  font-weight: 800;
  font-size: 13px;
  color: #d2dfeb;
}
input,
textarea {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 12px 12px;
  outline: none;
  font: inherit;
  transition: border 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
input::placeholder,
textarea::placeholder {
  color: #c4d3e0;
}
input:focus,
textarea:focus {
  border-color: #6ee39a;
  box-shadow: 0 0 0 4px rgba(46, 204, 113, 0.18);
}
/* Footer */
footer {
  background: #061629;
  color: #cdd8e3;
}
.footer-top {
  max-width: var(--max);
  margin: 0 auto;
  padding: 38px 20px;
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 24px;
}
.foot-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  color: #fff;
}
.logo1 {
  width: 150px;
  height: 90px;
  background-size: cover;
  position: sticky;
  background-image: url("Picture2.png");
}
.bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 20px;
  text-align: center;
  font-size: 14px;
}
/* Micro-interactions: On-scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}
.reveal p {
  font-size: 19px; /* Đảm bảo kích thước tiêu đề, thêm nếu chưa có */
  /*font-weight: 700;
  /*color: #ffffff; /* Thay đổi màu tiêu đề thành trắng */
  margin: 0 0 10px;
}
/* Keyframes for subtle entrance */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
/* Responsive */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: 110px;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 680px) {
  .nav {
    padding: 12px 16px;
  }
  .nav-links {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }
  .mobile-menu {
    position: fixed;
    left: 10px;
    right: 10px;
    top: 64px;
    background: #ffffff;
    border: 1px solid #e6eef5;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 999;
  }
  .mobile-menu a {
    padding: 12px;
    border-radius: 12px;
    font-weight: 800;
    color: #0a2540;
  }
  .mobile-menu a:hover {
    background: #f2f7ff;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .projects .grid-3 {
    grid-template-columns: 1fr;
  }
  section {
    padding: 80px 0;
  }
  .hero h1 {
    font-size: 36px;
  }
}
/* ========================
   Responsive Design
   ======================== */

/* Tablet (iPad, màn hình vừa) */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr; /* hero xếp dọc */
    padding-top: 110px;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .projects .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile vừa (≤680px) */
@media (max-width: 680px) {
  .nav {
    padding: 12px 16px;
  }

  .nav-links {
    display: none; /* ẩn menu ngang */
  }

  .menu-toggle {
    display: inline-flex; /* hiện nút menu ☰ */
    margin-left: auto;
  }

  .mobile-menu {
    position: fixed;
    left: 10px;
    right: 10px;
    top: 62px;
    background: #ffffff;
    border: 1px solid #e6eef5;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 999;
  }

  .mobile-menu a {
    padding: 12px;
    border-radius: 12px;
    font-weight: 800;
    color: #0a2540;
  }

  .mobile-menu a:hover {
    background: #f2f7ff;
  }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .projects .grid-3 {
    grid-template-columns: 1fr;
  }

  section {
    padding: 80px 0;
  }
}

/* Mobile nhỏ (≤480px) */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 30px; /* nhỏ hơn để không tràn */
  }

  .hero p.lead {
    font-size: 14px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 12px;
  }

  .kpis {
    flex-direction: column;
    gap: 12px;
  }

  .card,
  .card1 {
    padding: 16px;
  }

  .footer-top {
    grid-template-columns: 1fr; /* footer xếp dọc */
    text-align: center;
  }

  .contact-grid {
    grid-template-columns: 1fr; /* form full width */
  }

  .contact .card form .row {
    grid-template-columns: 1fr;
  }

  .projects .pill {
    font-size: 11px;
    padding: 4px 8px;
  }
}
/* Language Switcher */
.lang-btn {
  background: transparent;
  border: 1px solid #0a2540;
  color: #0a2540;
  padding: 6px 12px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn:hover {
  background: #0a2540;
  color: #fff;
}

/* Điều chỉnh responsive cho mobile menu */
@media (max-width: 680px) {
  .lang-switch-mobile {
    margin-top: 10px;
    width: 100%;
    justify-content: center;
  }
}
.brand-icon {
  width: 28px; /* Kích thước vừa vặn cho icon */
  height: 28px;
  object-fit: contain;
  display: block;
}
.logo-card {
  display: flex !important;
  justify-content: center !important;
  align-items: center !important;
  padding: 12px !important;
  gap: 0 !important;

  /* Kích thước khung */
  min-width: 180px; /* Độ rộng khung */
  height: 120px; /* Chiều cao khung */

  /* Giữ nguyên trang trí */
  background: #fff;
  border: 1px solid #e6eef5;
  border-radius: 16px;

  /* Màu sắc */
  filter: none !important;
  opacity: 1 !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Kích thước ảnh */
.brand-icon {
  width: 100% !important; /* Chiếm hết chiều ngang khung */
  height: 100% !important; /* Chiếm hết chiều dọc khung */

  /* QUAN TRỌNG: contain giúp logo to nhất có thể mà KHÔNG bị méo/cắt */
  object-fit: contain !important;

  margin: 0 !important;
  display: block !important;
}

/* Kích thước chữ */
.brand-text {
  display: none !important;
}

.logo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}
.logo-card a,
.logo-card a:focus,
.logo-card a:active,
.logo-card a:visited {
  /* Dùng !important để đè lên mọi cài đặt cũ */
  outline: none !important;
  border: none !important;
  box-shadow: none !important;

  /* Đảm bảo link chiếm hết diện tích khung để dễ bấm */
  display: flex !important;
  width: 200% !important;
  height: 200% !important;
  align-items: center !important;
  justify-content: center !important;
}
form .row {
  display: grid;
  grid-template-columns: 1fr 1fr; 
  gap: 12px;
}

@media (max-width: 600px) {
  form .row {
    grid-template-columns: 1fr;
  }
}