/* // public/css/app.css */
/* =================================
   PROCESS SECTION
================================= */

.process-section {
  padding: 100px 0;
  background: #f3f6f4;
}

/* Flow */

.process-flow {

  margin-top: 70px;

  display: flex;

  align-items: center;

  justify-content: center;

  gap: 25px;

}

/* Process Card */

.process-step {


  width: 180px;

  height: 180px;


  background: #ffffff;


  border-radius: 25px;


  display: flex;

  flex-direction: column;

  align-items: center;

  justify-content: center;


  position: relative;


  border: 1px solid #e2e9e4;


  box-shadow:

    0 15px 35px rgba(0, 0, 0, .08);


  transition: .35s;


}



/* Hover */

.process-step:hover {


  transform: translateY(-12px);


  border-color: #159957;


  box-shadow:

    0 25px 45px rgba(21, 153, 87, .18);


}



/* Icon circle */

.process-step i {


  width: 75px;

  height: 75px;


  background: #dfeee5;


  border-radius: 50%;


  display: flex;

  align-items: center;

  justify-content: center;


  font-size: 35px;


  color: #117a45;


  margin-bottom: 18px;


  transition: .35s;


}



.process-step:hover i {


  background: #159957;


  color: white;


  transform: scale(1.1);


}



/* Title */


.process-step h4 {


  margin: 0;


  font-size: 20px;


  font-weight: 700;


  color: #16352b;


}



/* Arrow */


.arrow {


  font-size: 40px;


  color: #159957;


  font-weight: bold;


  animation: arrowMove 1.5s infinite;


}



@keyframes arrowMove {


  0%,
  100% {

    transform: translateX(0);

  }


  50% {

    transform: translateX(8px);

  }


}


.process-step::before {

  position: absolute;

  top: -18px;

  width: 42px;

  height: 42px;

  border-radius: 50%;

  background: #159957;

  color: white;

  display: flex;

  align-items: center;

  justify-content: center;

  font-size: 14px;

  font-weight: 700;

}


/* Auto number */

.process-step:nth-child(1)::before {
  content: "01";
}


.process-step:nth-child(3)::before {
  content: "02";
}


.process-step:nth-child(5)::before {
  content: "03";
}


.process-step:nth-child(7)::before {
  content: "04";
}


.process-step:nth-child(9)::before {
  content: "05";
}



/* ===============================
 RESPONSIVE
================================ */


@media(max-width:1000px) {


  .process-flow {


    flex-wrap: wrap;

  }


  .arrow {

    display: none;

  }


}



@media(max-width:600px) {


  .process-step {


    width: 260px;

    height: 200px;

  }


}

/* hệ thống công nghệ */
/* =====================================
   TECHNOLOGY SECTION
===================================== */

.technology-section {

  padding: 100px 0;

  background: #ffffff;

}




.technology-section .section-head {

  max-width: 850px;

  margin: auto;

}



.technology-section .section-head p {

  margin-top: 20px;

  color: #666;

  font-size: 17px;

  line-height: 1.8;

}





/* GRID */


.technology-grid {

  margin-top: 70px;

  display: grid;

  grid-template-columns: repeat(3, 1fr);

  gap: 35px;

}





/* CARD */


.technology-card {


  background: #fff;


  padding: 40px 30px;


  border-radius: 25px;


  text-align: center;


  position: relative;


  overflow: hidden;


  border: 1px solid #edf2ee;


  box-shadow:

    0 15px 35px rgba(0, 0, 0, .07);


  transition: .4s;


}





.technology-card::after {


  content: "";


  position: absolute;


  width: 120px;

  height: 120px;


  right: -40px;

  bottom: -40px;


  background: #e9f8ef;


  border-radius: 50%;


  transition: .4s;


}





.technology-card:hover {


  transform: translateY(-12px);


  border-color: #159957;


  box-shadow:

    0 25px 50px rgba(21, 153, 87, .18);


}




.technology-card:hover::after {


  transform: scale(2);

}



/* NUMBER */


.tech-number {


  position: absolute;


  top: 20px;

  right: 25px;


  font-size: 40px;


  font-weight: 800;


  color: #f0f4f1;


}





/* ICON */


.tech-icon {


  width: 90px;

  height: 90px;


  margin: 0 auto 25px;


  background: #e8f8ef;


  border-radius: 50%;


  display: flex;

  align-items: center;

  justify-content: center;


  position: relative;


  z-index: 2;


}



.tech-icon i {


  font-size: 40px;


  color: #159957;


}





/* TEXT */


.technology-card h4 {


  font-size: 23px;


  color: #12372a;


  margin-bottom: 15px;


  position: relative;


  z-index: 2;


}




.technology-card p {


  color: #666;


  line-height: 1.7;


  font-size: 15px;


  position: relative;


  z-index: 2;


}





/* RESPONSIVE */


@media(max-width:992px) {


  .technology-grid {


    grid-template-columns: repeat(2, 1fr);

  }


}



@media(max-width:600px) {


  .technology-grid {


    grid-template-columns: 1fr;

  }


}

/* ===================== RESET & BASE ===================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --green: #16a34a;
  --green-light: #22c55e;
  --green-pale: #dcfce7;
  --blue: #1d4ed8;
  --navy: #0c1a36;
  --dark: #0f172a;
  --mid: #334155;
  --muted: #64748b;
  --bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .06);
  --shadow: 0 10px 30px rgba(0, 0, 0, .10);
  --shadow-lg: 0 25px 60px rgba(0, 0, 0, .14);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--dark);
  overflow-x: hidden;
}

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(12, 26, 54, 0.96);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, .06);
  transition: box-shadow .3s;
}

.navbar.scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, .28);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green), #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 18px rgba(34, 197, 94, .35);
  flex-shrink: 0;
}

.brand-text {
  line-height: 1.15;
}

.brand-name {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .2px;
}

.brand-sub {
  color: rgba(255, 255, 255, .55);
  font-size: 11px;
  letter-spacing: .8px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: rgba(255, 255, 255, .82);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color .2s, background .2s;
}

.nav-links a:hover {
  color: #fff;
  background: rgba(255, 255, 255, .09);
}

.nav-cta {
  background: linear-gradient(135deg, var(--green-light), #059669) !important;
  color: #fff !important;
  border-radius: 50px !important;
  padding: 9px 22px !important;
  margin-left: 12px;
  box-shadow: 0 4px 14px rgba(34, 197, 94, .35);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, .45) !important;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  margin: 5px 0;
  border-radius: 2px;
  transition: .3s;
}

@media (max-width: 900px) {
  .hamburger {
    display: block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(12, 26, 54, .98);
    padding: 20px 24px 28px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    gap: 6px;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 16px;
    width: 100%;
  }

  .nav-cta {
    margin-left: 0 !important;
    text-align: center;
  }
}

/* DROPDOWN MENU */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: #fff;
  box-shadow: 0 5px 20px rgba(0, 0, 0, .15);
  border-radius: 8px;
  overflow: hidden;
  z-index: 999;
}

.dropdown-content a {
  display: block;
  padding: 12px 16px;
  color: #333;
  text-decoration: none;
}

.dropdown-content a:hover {
  background: #0f766e;
  color: #fff;
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh;
  /* background: linear-gradient(135deg, rgba(12, 26, 54, .82) 0%, rgba(12, 26, 54, .60) 60%, rgba(5, 150, 105, .25) 100%),
        url('https://deltaasia.vn/wp-content/uploads/2026/05/AET_BIA-1.jpg') center/cover no-repeat; */
  background:
    linear-gradient(90deg,
      rgba(10, 25, 40, .45) 0%,
      rgba(10, 25, 40, .25) 40%,
      rgba(10, 25, 40, .08) 70%,
      rgba(10, 25, 40, 0) 100%),
    url('https://deltaasia.vn/wp-content/uploads/2026/05/AET_BIA-1.jpg') center center/cover no-repeat;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to top, var(--bg), transparent);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34, 197, 94, .15);
  border: 1px solid rgba(34, 197, 94, .3);
  color: var(--green-light);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 50px;
  margin-bottom: 28px;
}

.hero-eyebrow span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-light);
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
    transform: scale(1)
  }

  50% {
    opacity: .5;
    transform: scale(.8)
  }
}

.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 5vw, 4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--green-light);
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, .78);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: linear-gradient(135deg, var(--green-light), #059669);
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  padding: 15px 32px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 28px rgba(34, 197, 94, .38);
  transition: transform .2s, box-shadow .2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(34, 197, 94, .48);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .22);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  backdrop-filter: blur(8px);
  transition: background .2s;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .18);
}

.hero-stats {
  position: absolute;
  bottom: 80px;
  right: 0;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.stat-pill {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  backdrop-filter: blur(12px);
  border-radius: 14px;
  padding: 16px 22px;
  text-align: center;
}

.stat-pill strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat-pill small {
  font-size: .75rem;
  color: rgba(255, 255, 255, .65);
  text-transform: uppercase;
  letter-spacing: .8px;
}

/* ===================== SHARED LAYOUT ===================== */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px;
}

section {
  padding: 100px 0;
}

.tag {
  display: inline-block;
  background: var(--green-pale);
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.section-head {
  margin-bottom: 64px;
}

.section-head h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.section-head p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
}

.section-head.centered {
  text-align: center;
}

.section-head.centered p {
  margin: 0 auto;
}

.divider {
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--green-light), #059669);
  margin: 16px 0 0;
}

.divider.center {
  margin: 16px auto 0;
}

/* ===================== ABOUT ===================== */
#about {
  background: var(--bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  height: 520px;
  display: block;
}

.about-badge {
  position: absolute;
  bottom: 28px;
  left: -24px;
  background: #fff;
  border-radius: var(--radius);
  padding: 18px 22px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 220px;
}

.badge-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--green-light), #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  flex-shrink: 0;
}

.badge-text strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--dark);
}

.badge-text span {
  font-size: .8rem;
  color: var(--muted);
}

.about-text h3 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
}

.about-text p {
  color: var(--mid);
  line-height: 1.8;
  margin-bottom: 16px;
}

.check-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--mid);
  font-size: .95rem;
}

.check-list li i {
  color: var(--green);
  margin-top: 3px;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-badge {
    left: 16px;
  }
}

/* ===================== FEATURES ===================== */
#features {
  background: linear-gradient(135deg, var(--navy) 0%, #1e3a5f 100%);
}

#features .section-head h2 {
  color: #fff;
}

#features .section-head p {
  color: rgba(255, 255, 255, .65);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feat-card {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  backdrop-filter: blur(8px);
  transition: transform .3s, background .3s;
}

.feat-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, .1);
}

.feat-icon {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green-light), #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  margin-bottom: 22px;
  box-shadow: 0 8px 24px rgba(34, 197, 94, .3);
}

.feat-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.feat-card p {
  font-size: .9rem;
  color: rgba(255, 255, 255, .65);
  line-height: 1.7;
}

@media (max-width: 860px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== PRODUCTS ===================== */
#products {
  background: var(--bg);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.prod-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
  display: flex;
  flex-direction: column;
}

.prod-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.prod-img {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.prod-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}

.prod-card:hover .prod-img img {
  transform: scale(1.05);
}

.prod-label {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(22, 163, 74, .92);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 50px;
}

.prod-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.prod-body h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.prod-body p {
  font-size: .9rem;
  color: var(--muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}

.prod-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.prod-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--green-pale);
  color: var(--green);
  font-size: .78rem;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 50px;
}

@media (max-width: 860px) {
  .products-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== PROJECTS ===================== */
#projects {
  background: #f1f5f9;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.proj-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .3s, box-shadow .3s;
}

.proj-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.proj-img {
  height: 230px;
  overflow: hidden;
}

.proj-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}

.proj-card:hover .proj-img img {
  transform: scale(1.05);
}

.proj-body {
  padding: 28px;
}

.proj-body h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 18px;
  line-height: 1.4;
}

.proj-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.proj-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: .88rem;
  color: var(--mid);
  line-height: 1.5;
}

.proj-row i {
  color: var(--blue);
  margin-top: 2px;
  width: 16px;
  flex-shrink: 0;
}

.proj-row strong {
  white-space: nowrap;
  color: var(--dark);
  margin-right: 4px;
}

@media (max-width: 860px) {
  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== CONTACT & FORMS ===================== */
#contact {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 64px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 12px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ci-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--green-pale);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.ci-body strong {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .6px;
  margin-bottom: 4px;
}

.ci-body span {
  font-size: .95rem;
  color: var(--dark);
  line-height: 1.6;
}

.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-card h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 700;
  color: var(--mid);
  margin-bottom: 7px;
  letter-spacing: .3px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: .94rem;
  font-family: 'Inter', sans-serif;
  color: var(--dark);
  background: #fafafa;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}

.form-group textarea {
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, .12);
  background: #fff;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-submit {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--green-light), #059669);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 22px rgba(34, 197, 94, .35);
  transition: transform .2s, box-shadow .2s;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(34, 197, 94, .45);
}

.form-submit:disabled {
  opacity: .7;
  cursor: not-allowed;
  transform: none !important;
}

.submit-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, .4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, .12);
}

.field-err {
  color: #ef4444;
  font-size: .78rem;
  margin-top: 5px;
  display: none;
  font-weight: 600;
}

.field-err.show {
  display: block;
}

.form-group input.ok {
  border-color: #22c55e;
}

.form-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
  font-size: .78rem;
  font-weight: 700;
  padding: 6px 13px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.form-badge i {
  color: #22c55e;
}

@media (max-width: 860px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

/* ===================== FOOTER ===================== */
footer {
  background: var(--navy);
  color: #fff;
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand p {
  color: rgba(255, 255, 255, .6);
  font-size: .9rem;
  line-height: 1.75;
  margin-bottom: 22px;
}

.footer-checks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-checks li {
  color: rgba(255, 255, 255, .7);
  font-size: .88rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-checks li i {
  color: var(--green-light);
  font-size: 12px;
}

.footer-col h5 {
  color: #fff;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, .6);
  text-decoration: none;
  font-size: .9rem;
  transition: color .2s;
}

.footer-col ul li a:hover {
  color: var(--green-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 32px;
}

.footer-bottom p {
  color: rgba(255, 255, 255, .45);
  font-size: .82rem;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  text-decoration: none;
  transition: background .2s, color .2s;
}

.social-links a:hover {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}

@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================== AI CHATBOX ===================== */
#ai-chat-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-light), #059669);
  color: #fff;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 8px 28px rgba(34, 197, 94, .45);
  transition: transform .2s, box-shadow .2s;
}

#ai-chat-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 36px rgba(34, 197, 94, .55);
}

#ai-chatbox {
  position: fixed;
  right: 28px;
  bottom: 100px;
  width: 380px;
  height: 540px;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  display: none;
  z-index: 9999;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .22);
  border: 1px solid var(--border);
  flex-direction: column;
}

.chat-header {
  background: linear-gradient(135deg, var(--green-light), #059669);
  color: #fff;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: .95rem;
}

.chat-header .left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header .ai-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff;
  animation: pulse 2s infinite;
}

#close-chat {
  cursor: pointer;
  opacity: .8;
  font-size: 18px;
  line-height: 1;
}

#close-chat:hover {
  opacity: 1;
}

.chat-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: #f8fafc;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bot-msg {
  background: #fff;
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: 14px 14px 14px 4px;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--dark);
  max-width: 88%;
  box-shadow: var(--shadow-sm);
}

.user-msg {
  background: linear-gradient(135deg, var(--green-light), #059669);
  color: #fff;
  padding: 12px 14px;
  border-radius: 14px 14px 4px 14px;
  font-size: .9rem;
  line-height: 1.6;
  max-width: 88%;
  margin-left: auto;
}

.typing {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 12px 14px;
}

.typing span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
  animation: bounce .9s infinite;
}

.typing span:nth-child(2) {
  animation-delay: .15s;
}

.typing span:nth-child(3) {
  animation-delay: .3s;
}

@keyframes bounce {

  0%,
  60%,
  100% {
    transform: translateY(0)
  }

  30% {
    transform: translateY(-7px)
  }
}

.chat-footer {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  gap: 10px;
  background: #fff;
}

#user-input {
  flex: 1;
  border: 1.5px solid var(--border);
  border-radius: 50px;
  padding: 10px 18px;
  font-size: .9rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: border-color .2s;
}

#user-input:focus {
  border-color: var(--green);
}

#send-message {
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-light), #059669);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform .2s;
}

#send-message:hover {
  transform: scale(1.08);
}

.quick-replies {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.qr-btn {
  background: #fff;
  border: 1.5px solid var(--green);
  color: var(--green);
  border-radius: 50px;
  padding: 6px 13px;
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}

.qr-btn:hover {
  background: var(--green);
  color: #fff;
}

.bot-msg a {
  color: var(--green);
  font-weight: 600;
}

.chat-menu-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: #fff;
  overflow-x: auto;
  scrollbar-width: none;
}

.chat-menu-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex: 1;
  min-width: 60px;
  padding: 9px 4px;
  border: none;
  background: none;
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: .2s;
  white-space: nowrap;
  font-family: 'Inter', sans-serif;
}

.tab-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
}

.tab-btn i {
  display: block;
  font-size: 15px;
  margin-bottom: 3px;
}

@media (max-width: 480px) {
  #ai-chatbox {
    width: calc(100vw - 32px);
    right: 16px;
    bottom: 90px;
  }
}

/* ------- */
.popup-notify {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .45);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999999;

  opacity: 0;
  visibility: hidden;
  transition: .3s;
}

.popup-notify.show {
  opacity: 1;
  visibility: visible;
}

.popup-box {
  background: #fff;
  padding: 30px;
  border-radius: 18px;
  min-width: 350px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, .25);

  transform: scale(.8);
  transition: .3s;
}

.popup-notify.show .popup-box {
  transform: scale(1);
}

#popup-icon {
  font-size: 60px;
  margin-bottom: 15px;
}

#popup-message {
  font-size: 18px;
  font-weight: 600;
}

.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .45);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999999;
}

.popup-box {
  background: #fff;
  width: 380px;
  max-width: 90%;
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .2);
  animation: popupShow .3s ease;
}

.popup-box button {
  margin-top: 20px;
  border: none;
  background: #16a34a;
  color: white;
  padding: 12px 28px;
  border-radius: 10px;
  cursor: pointer;
}

#popup-icon {
  font-size: 60px;
  margin-bottom: 15px;
}

@keyframes popupShow {
  from {
    transform: scale(.8);
    opacity: 0;
  }

  to {
    transform: scale(1);
    opacity: 1;
  }
}

.map-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.map-btn {
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Nút chính */
.map-btn.primary {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
  box-shadow: 0 8px 20px rgba(15, 23, 42, .25);
}

.map-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .35);
}

/* Nút phụ */
.map-btn.ghost {
  border: 1px solid #cbd5e1;
  color: #0f172a;
  background: #fff;
}

.map-btn.ghost:hover {
  background: #0f172a;
  color: #fff;
  transform: translateY(-2px);
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #0f172a;
  color: #fff;
  transition: .3s;
}

.social-links a:hover {
  background: #1877f2;
  transform: translateY(-3px);
}

.social-links a .fa-youtube {
  color: #FF0000;
}

.social-links a .fa-facebook-f {
  color: #1877F2;
}

.social-links a .fa-comment {
  color: #0068FF;
  /* màu Zalo */
  transition: 0.3s;
}

.social-links a:hover .fa-comment {
  transform: scale(1.15);
  color: #0091ff;
}

/* // thời gian  */
.clock-line {
  display: flex;
  align-items: center;
  gap: 8px;

  white-space: nowrap;
  /* ❌ không cho xuống dòng */
  overflow: hidden;
  /* tránh tràn */
}

#live-time {
  font-family: monospace;
  min-width: 90px;
  /* cố định khung giờ */
  display: inline-block;
}

#live-date {
  color: #9ca3af;
  flex-shrink: 0;
  /* ❌ không bị co */
}

/* Container nút */
.map-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.map-btn.primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  padding: 8px 12px;
  border-radius: 10px;

  background: linear-gradient(135deg, #16a34a, #22c55e);
  color: #fff;
  font-weight: 600;
  font-size: 13px;

  text-decoration: none;
  box-shadow: 0 8px 18px rgba(34, 197, 94, .25);
  transition: .3s;
}

.map-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(34, 197, 94, .35);
}

.map-btn.ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;

  padding: 8px 12px;
  border-radius: 10px;

  border: 1px solid #cbd5e1;
  background: #f8fafc;
  color: #0f172a;

  font-weight: 600;
  font-size: 13px;

  text-decoration: none;
  transition: .3s;
}

.map-btn.ghost:hover {
  background: #0f172a;
  color: #fff;
  border-color: #0f172a;
  transform: translateY(-2px);
}

#live-date {
  color: #1f2937;
  /* xám đen dịu, đẹp hơn đen thuần */
}

#live-time {
  font-weight: 600;
}

#live-date {
  font-weight: 700;
}

/* logo */
.brand-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.brand-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-stats {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.stat-pill {
  min-width: 180px;
  padding: 20px 25px;
  border-radius: 18px;

  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);

  border: 1px solid rgba(255, 255, 255, 0.2);

  box-shadow:
    0 8px 25px rgba(0, 0, 0, 0.12),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);

  transition: all 0.35s ease;
  text-align: center;
}

.stat-pill:hover {
  transform: translateY(-6px);
  box-shadow:
    0 15px 35px rgba(0, 0, 0, 0.18),
    0 0 25px rgba(0, 180, 120, 0.25);
}

.stat-pill strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #0b8f5a;
  margin-bottom: 8px;
  line-height: 1;
}

.stat-pill small {
  display: block;
  font-size: 0.95rem;
  color: #555;
  font-weight: 500;
}

.stat-pill strong {
  color: #d4a017;
  text-shadow: 0 0 15px rgba(212, 160, 23, 0.25);
}

.stat-pill:hover {
  transform: translateY(-8px);
  border-color: rgba(212, 160, 23, 0.4);
  box-shadow:
    0 20px 40px rgba(212, 160, 23, 0.18);
}

/* sdile */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrap {
  position: relative;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, .15);
}

.about-slider {
  position: relative;
  height: 600px;
}

.about-slider .slide {
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;

  object-fit: cover;

  opacity: 0;
  visibility: hidden;

  transition:
    opacity 1.5s ease,
    transform 8s ease;

  transform: scale(1);
}

.about-slider .slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1.08);
}

.about-badge {
  position: absolute;
  left: 30px;
  bottom: 30px;

  display: flex;
  align-items: center;
  gap: 15px;

  background: rgba(255, 255, 255, .95);

  padding: 18px 22px;

  border-radius: 18px;

  backdrop-filter: blur(10px);

  box-shadow: 0 10px 30px rgba(0, 0, 0, .15);

  z-index: 99;
}

.badge-icon {
  width: 55px;
  height: 55px;

  border-radius: 50%;

  display: flex;
  justify-content: center;
  align-items: center;

  background: #0f766e;
  color: white;

  font-size: 22px;
}

.badge-text strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.badge-text span {
  color: #666;
  font-size: 14px;
}

.tag {
  display: inline-block;

  padding: 8px 16px;

  border-radius: 50px;

  background: #ecfeff;
  color: #0f766e;

  font-weight: 600;
}

.about-text h3 {
  font-size: 42px;
  line-height: 1.2;
  margin-top: 15px;
}

.divider {
  width: 80px;
  height: 4px;

  background: #0f766e;

  margin: 20px 0;
  border-radius: 20px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin-top: 25px;
}

.check-list li {
  margin-bottom: 14px;
  font-size: 16px;
}

.check-list i {
  color: #0f766e;
  margin-right: 10px;
}

@media(max-width:992px) {

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

  .about-slider {
    height: 450px;
  }

}

@media(max-width:768px) {

  .about-slider {
    height: 320px;
  }

  .about-text h3 {
    font-size: 30px;
  }

  .about-badge {
    left: 15px;
    right: 15px;
    bottom: 15px;
  }

}

/* //về chúng tôi */
.tag {
  background: rgba(37, 99, 235, .12);
  color: #2563eb;
  border: 1px solid rgba(37, 99, 235, .25);
}

/* lợi thế */
.features-section {
  padding: 100px 0;
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 60px;
}

.feat-card {
  background: #fff;

  padding: 35px 30px;

  border-radius: 24px;

  border: 1px solid #edf2f7;

  transition: .4s ease;

  position: relative;

  overflow: hidden;
}

.feat-card::before {
  content: "";
  position: absolute;

  top: 0;
  left: 0;

  width: 100%;
  height: 4px;

  background: linear-gradient(90deg,
      #0f766e,
      #14b8a6);

  transform: scaleX(0);

  transition: .4s;
}

.feat-card:hover {
  transform: translateY(-10px);

  box-shadow:
    0 20px 50px rgba(15, 118, 110, .12);
}

.feat-card:hover::before {
  transform: scaleX(1);
}

.feat-icon {
  width: 70px;
  height: 70px;

  border-radius: 20px;

  display: flex;
  align-items: center;
  justify-content: center;

  background:
    linear-gradient(135deg,
      #0f766e,
      #14b8a6);

  color: #fff;

  font-size: 28px;

  margin-bottom: 25px;
}

.feat-card h4 {
  font-size: 22px;
  margin-bottom: 15px;
  color: #0f172a;
}

.feat-card p {
  color: #64748b;
  line-height: 1.8;
}

@media(max-width:992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media(max-width:768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* mobi */
@media (max-width:768px) {

  .hero {
    min-height: auto;
    padding: 110px 0 50px;
  }

  .hero-content {
    width: 100%;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.4rem !important;
    line-height: 1.15;
    margin-bottom: 20px;
  }

  .hero h1 em {
    font-size: 2.6rem;
    display: block;
  }

  .hero-desc {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 25px;
  }

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

  .hero-actions a {
    width: 100%;
    justify-content: center;
  }

  /* QUAN TRỌNG */
  .hero-stats {
    position: static !important;

    display: grid;
    grid-template-columns: 1fr;

    gap: 15px;

    margin-top: 30px;
  }

  .stat-pill {
    width: 100%;
    margin: 0;
  }

}

/* giới thiệu */
.timeline-section {
  padding: 100px 0;
  background: #f8fafc;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 60px auto 0;
}

.timeline::before {

  content: "";

  position: absolute;

  left: 50%;

  top: 0;

  width: 4px;

  height: 100%;

  background: #16a34a;

  transform: translateX(-50%);
}

.timeline-item {

  width: 50%;

  padding: 25px 40px;

  position: relative;

}

.timeline-item.left {

  left: 0;

  text-align: right;

}

.timeline-item.right {

  left: 50%;

}

.timeline-year {

  display: inline-block;

  background: #16a34a;

  color: #fff;

  padding: 8px 18px;

  border-radius: 50px;

  font-weight: 700;

  margin-bottom: 15px;

}

.timeline-card {

  background: #fff;

  padding: 25px;

  border-radius: 18px;

  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);

}

.timeline-card h4 {

  margin-bottom: 12px;

  color: #0f172a;

}

.timeline-card p {

  color: #64748b;

  line-height: 1.8;

}

@media(max-width:768px) {

  .timeline::before {

    left: 20px;

  }

  .timeline-item {

    width: 100%;

    left: 0 !important;

    padding-left: 60px;

    text-align: left !important;

  }

}

/* ===================== COMPANY SECTION ===================== */

.company-section {
  padding: 100px 0;
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
}

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-top: 60px;
}

.company-image {
  overflow: hidden;
  border-radius: 20px;
}

.company-image img {
  width: 100%;
  display: block;
  border-radius: 20px;
  transition: .4s;
  box-shadow: 0 20px 40px rgba(0, 0, 0, .12);
}

.company-image:hover img {
  transform: scale(1.05);
}

.company-content h3 {
  font-size: 32px;
  color: var(--navy);
  margin-bottom: 20px;
  font-weight: 800;
}

.company-content p {
  color: #64748b;
  line-height: 1.9;
  margin-bottom: 18px;
}

.company-info {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 35px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 18px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid rgba(15, 118, 110, .08);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .05);
  transition: .3s;
}

.info-item:hover {
  transform: translateY(-6px);
  border-color: var(--green);
  box-shadow: 0 15px 35px rgba(34, 197, 94, .18);
}

.info-item i {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), #059669);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  flex-shrink: 0;
}

.info-item span {
  font-weight: 600;
  color: #1e293b;
}

@media (max-width:900px) {

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

  .company-content {
    text-align: center;
  }

  .company-info {
    grid-template-columns: 1fr;
  }

}

/* Chứng nhận */
.certificates-section {
  padding: 100px 0;
  background: #f8fafc;
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.certificate-card {
  background: #fff;
  border-radius: 20px;
  padding: 35px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
  transition: .3s;
}

.certificate-card:hover {
  transform: translateY(-8px);
}

.certificate-card i {
  font-size: 42px;
  color: #16a34a;
  margin-bottom: 20px;
}

.certificate-card h4 {
  margin-bottom: 12px;
  color: #0f172a;
}

.certificate-card p {
  color: #64748b;
}

/* // Đối tác */
.partners-section {
  padding: 100px 0;
  background: #fff;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.partner-card {
  background: #fff;
  border-radius: 18px;
  padding: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid #eee;
  transition: .3s;
}

.partner-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .08);
}

.partner-card img {
  max-width: 120px;
  max-height: 70px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: .3s;
}

.partner-card:hover img {
  filter: grayscale(0%);
}

/* Công Nghệ */
.tech-section,
.process-section,
.technology-section {
  padding: 100px 0;
}

.tech-section,
.technology-section {
  background: #f8fafc;
}

.tech-grid,
.technology-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.tech-card,
.technology-card {
  background: #fff;
  border-radius: 20px;
  padding: 35px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
  transition: .3s;
}

.tech-card:hover,
.technology-card:hover {
  transform: translateY(-8px);
}

.tech-card i,
.technology-card i {
  font-size: 42px;
  color: #16a34a;
  margin-bottom: 20px;
}

.tech-card h3,
.technology-card h4 {
  margin-bottom: 12px;
}

.tech-card p,
.technology-card p {
  color: #64748b;
  line-height: 1.8;
}

.process-flow {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 70px;
}

.process-step {
  width: 170px;
  background: #fff;
  padding: 30px;
  border-radius: 18px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .08);
}

.process-step i {
  font-size: 40px;
  color: #16a34a;
  margin-bottom: 18px;
}

.arrow {
  font-size: 30px;
  color: #16a34a;
  font-weight: bold;
}

@media(max-width:768px) {

  .process-flow {

    flex-direction: column;

  }

  .arrow {

    transform: rotate(90deg);

  }

}

/* ===================== Tin Tức ===================== */

.news-section {
  padding: 100px 0;
  background: #f8fafc;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.news-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, .08);
  transition: .35s;
}

.news-card:hover {
  transform: translateY(-8px);
}

.news-image {
  height: 240px;
  overflow: hidden;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .5s;
}

.news-card:hover img {
  transform: scale(1.08);
}

.news-content {
  padding: 28px;
}

.news-date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #16a34a;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.news-content h3 {
  font-size: 22px;
  color: #0f172a;
  margin-bottom: 15px;
  line-height: 1.4;
}

.news-content p {
  color: #64748b;
  line-height: 1.8;
  margin-bottom: 22px;
}

.news-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #16a34a;
  font-weight: 700;
  text-decoration: none;
  transition: .3s;
}

.news-btn:hover {
  gap: 14px;
}

@media(max-width:768px) {

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

  .news-image {
    height: 220px;
  }

}

/* ===================== button đi chung với tin tức ===================== */

.news-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;

  margin-top: 15px;
  padding: 12px 12px 12px 22px;

  background: #16a34a;
  color: #fff;
  text-decoration: none;

  border-radius: 50px;

  font-weight: 700;
  font-size: 15px;

  transition: .35s;

  box-shadow: 0 10px 25px rgba(22, 163, 74, .25);
}

.news-btn:hover {

  background: #15803d;

  transform: translateY(-3px);

  box-shadow: 0 18px 35px rgba(22, 163, 74, .35);

}

.news-btn-icon {

  width: 38px;

  height: 38px;

  border-radius: 50%;

  background: #fff;

  color: #16a34a;

  display: flex;

  align-items: center;

  justify-content: center;

  transition: .35s;

}

.news-btn:hover .news-btn-icon {

  transform: translateX(6px);

}

/* Liên hệ */
.inquiry-section {
  padding: 100px 0;
  background: #f6f8fc;
}

.inquiry-wrapper {
  margin-top: 60px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 45px;
}

.inquiry-left {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.info-card {
  background: #fff;
  padding: 28px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
  transition: .3s;
}

.info-card:hover {
  transform: translateY(-6px);
}

.info-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #0f766e;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
}

.info-card h3 {
  margin-bottom: 10px;
  color: #0f172a;
}

.info-card p {
  color: #666;
  line-height: 1.7;
}

.contact-box {
  margin-top: auto;
  background: linear-gradient(135deg, #0f766e, #0d9488);
  color: #fff;
  padding: 30px;
  border-radius: 18px;
}

.contact-box h4 {
  margin-bottom: 18px;
}

.contact-box p {
  margin: 12px 0;
}

.contact-box i {
  width: 28px;
}

.form-card {
  background: #fff;
  padding: 40px;
  border-radius: 22px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, .08);
}

.form-badge {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 30px;
  color: #0f766e;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid #ddd;
  border-radius: 12px;
  font-size: 15px;
  transition: .3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #0f766e;
  outline: none;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, .12);
}

.form-submit {
  width: 100%;
  margin-top: 10px;
  padding: 16px;
  border: none;
  border-radius: 12px;
  background: #0f766e;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  transition: .3s;
}

.form-submit:hover {
  background: #0b5f58;
}

@media(max-width:992px) {

  .inquiry-wrapper {
    grid-template-columns: 1fr;
  }

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

}

.lang-dropdown .lang-content {
  min-width: 180px;
}

.lang-item {
  display: flex !important;
  align-items: center;
  gap: 8px;
}

.lang-item .flag-icon {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.3);
}

.lang-item.active {
  font-weight: 600;
  color: #0d6efd;
  /* đổi theo màu chủ đạo của bạn */
  background-color: rgba(13, 110, 253, 0.08);
}

/* /lịch sử phát triển  */

.timeline-section {
  padding: 100px 0;
  background: #f8faf9;
  position: relative;
  overflow: hidden;
}

/* Section Header */

.section-head.centered {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 70px;
}

.section-head .tag {
  display: inline-block;
  padding: 8px 20px;
  background: #e7f7ef;
  color: #159957;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-head h2 {
  font-size: 42px;
  line-height: 1.3;
  font-weight: 700;
  color: #12372a;
  margin-bottom: 20px;
}

.divider.center {
  width: 70px;
  height: 4px;
  background: #159957;
  border-radius: 10px;
  margin: 0 auto 25px;
}

.section-head p {
  color: #666;
  font-size: 17px;
  line-height: 1.8;
}

/* ================================
   TIMELINE
================================ */
.timeline {
  position: relative;
  max-width: 1000px;
  margin: auto;
}


/* Line center */

.timeline::before {
  content: "";
  position: absolute;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom,
      #159957,
      #2ecc71);
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  border-radius: 10px;
}


/* Item */

.timeline-item {
  width: 50%;
  position: relative;
  padding: 20px 45px;

}

.timeline-item.left {
  left: 0;
  text-align: right;
}

.timeline-item.right {
  left: 50%;
  text-align: left;
}

/* Dot Icon */

.timeline-dot {
  position: absolute;
  width: 60px;
  height: 60px;
  background: #fff;
  border: 5px solid #159957;
  border-radius: 50%;
  top: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #159957;
  font-size: 22px;
  z-index: 2;
  box-shadow:
    0 10px 25px rgba(0, 0, 0, .12);

}

.timeline-item.left .timeline-dot {
  right: -30px;
}

.timeline-item.right .timeline-dot {
  left: -30px;
}

/* Content Box */

.timeline-content {
  background: #fff;
  padding: 35px;
  border-radius: 20px;
  box-shadow:
    0 15px 40px rgba(0, 0, 0, .08);
  transition: .35s;
  position: relative;
}

.timeline-content:hover {
  transform: translateY(-8px);
  box-shadow:
    0 20px 50px rgba(0, 0, 0, .15);
}

.timeline-year {
  display: inline-block;
  background: #159957;
  color: white;
  padding: 7px 18px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 15px;
}

.timeline-content h3 {
  font-size: 25px;
  color: #12372a;
  margin-bottom: 15px;
}

.timeline-content p {
  color: #666;
  line-height: 1.7;
  font-size: 16px;
}

/* ================================
   STATISTICS
================================ */

.timeline-stats {
  margin-top: 80px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
}

.timeline-stat {
  background: #fff;
  padding: 35px 20px;
  text-align: center;
  border-radius: 18px;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, .08);
  transition: .3s;
}

.timeline-stat:hover {
  transform: translateY(-8px);
}

.timeline-stat h3 {
  font-size: 38px;
  color: #159957;
  margin-bottom: 10px;
  font-weight: 800;
}

.timeline-stat span {
  color: #666;
  font-size: 16px;
}

/* ================================
   RESPONSIVE MOBILE
================================ */

@media(max-width:768px) {
  .section-head h2 {
    font-size: 32px;
  }

  .timeline::before {
    left: 30px;
  }

  .timeline-item,
  .timeline-item.left,
  .timeline-item.right {
    width: 100%;
    left: 0;
    text-align: left;
    padding-left: 80px;
    padding-right: 20px;
  }

  .timeline-item .timeline-dot,
  .timeline-item.left .timeline-dot,
  .timeline-item.right .timeline-dot {

    left: 0;
    right: auto;
  }

  .timeline-content {
    padding: 25px;
  }

  .timeline-content h3 {
    font-size: 22px;
  }

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

@media(max-width:480px) {
  .timeline-stats {
    grid-template-columns: 1fr;
  }

  .timeline-stat h3 {
    font-size: 32px;
  }
}

/* đối tác */
/* ================================
   PARTNERS SECTION
================================ */

.partners-section {
  padding: 100px 0;
  background: #ffffff;
}

/* Header */
.partners-section .section-head {
  margin-bottom: 60px;
}

/* Grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
  align-items: center;
}

/* Card */

.partner-card {
  height: 130px;
  background: #fff;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 25px;
  border: 1px solid #eeeeee;
  box-shadow:
    0 8px 25px rgba(0, 0, 0, .06);
  transition:
    transform .35s ease,
    box-shadow .35s ease,
    border-color .35s ease;
  overflow: hidden;

}

/* Logo */

.partner-card img {
  max-width: 100%;
  max-height: 65px;
  object-fit: contain;
  filter: none;
  opacity: 1;
  transition:
    transform .35s ease;
}

/* Hover */

.partner-card:hover {
  transform: translateY(-10px);
  border-color: #159957;
  box-shadow:
    0 20px 45px rgba(21, 153, 87, .18);
}

.partner-card:hover img {
  transform: scale(1.12);
}

/* ================================
   MOBILE
================================ */

@media(max-width:992px) {
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media(max-width:600px) {
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .partner-card {
    height: 110px;
    padding: 20px;
  }
}

@media(max-width:400px) {
  .partners-grid {
    grid-template-columns: 1fr;
  }
}
/* văn hóa */
/* Container & Grid Layout */
.sustainability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

/* Card Styling */
.sustain-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    box-shadow: 0 10px 20px rgba(0,0,0,0.03);
}

.sustain-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: #2ecc71; /* Màu nhấn của bạn */
}

/* Icon Styling */
.sustain-icon {
    width: 70px;
    height: 70px;
    background: #f4f9f4;
    color: #2ecc71;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.sustain-card:hover .sustain-icon {
    background: #2ecc71;
    color: #ffffff;
}

/* Typography */
.sustain-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #333;
}

.sustain-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* Section Head Styling */
.section-head {
    margin-bottom: 50px;
}

.section-head .tag {
    color: #2ecc71;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.section-head h2 {
    font-size: 2.5rem;
    margin: 15px 0;
    color: #222;
}

.divider {
    width: 60px;
    height: 3px;
    background: #2ecc71;
    margin: 15px auto;
}