/* =========================================================
   CÔNG TY CP MÔI TRƯỜNG & XÂY DỰNG DSM VIETNAM – SHARED STYLESHEET
   ========================================================= */

/* ---------- Google Fonts imported in HTML ---------- */
:root {
  --green: #16a34a;
  --green-dark: #0f6b30;
  --green-light: #22c55e;
  --accent: #f0fdf4;
  --navy: #082f1b;
  --text: #1a2e1c;
  --muted: #6b7280;
  --border: rgba(22, 163, 74, .18);
  --glass-bg: rgba(255, 255, 255, .88);
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, .07);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, .12);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, .16);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: .3s ease;
  --hero-h: 90vh;
}

/* ---- Reset ---- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

html {
  scroll-behavior: smooth;
  font-size: 16px
}

body {
  font-family: 'Montserrat', 'Inter', system-ui, sans-serif;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition)
}

ul {
  list-style: none
}

img {
  max-width: 100%;
  display: block
}

/* =========================================================
   NAVBAR
   ========================================================= */
#mainNavbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: .7rem 0;
  background: transparent;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

#mainNavbar.scrolled {
  background: rgba(8, 47, 27, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: .45rem 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, .25);
}

/* white bg variant for inner pages */
#mainNavbar.light-nav {
  background: #fff;
  box-shadow: 0 2px 16px rgba(0, 0, 0, .09);
  padding: .6rem 0;
}

#mainNavbar.light-nav .nav-link,
#mainNavbar.light-nav .brand-text,
#mainNavbar.light-nav .navbar-toggler {
  color: var(--text) !important;
}

#mainNavbar.light-nav .nav-link:hover,
#mainNavbar.light-nav .dropdown-toggle:hover {
  color: var(--green) !important;
}

#mainNavbar.light-nav .lang-btn {
  color: var(--text) !important;
  border-color: var(--border) !important;
}

/* Navbar inner 3-column layout */
.navbar-inner {
  display: flex;
  align-items: center;
  width: 100%;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Center nav: flex:1, centered */
.nav-center {
  flex: 1;
  justify-content: center !important;
  display: flex;
  flex-direction: row;
}

/* Right nav: push to right */
.nav-right {
  margin-left: auto;
  flex-shrink: 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}

.brand-text {
  font-weight: 800;
  letter-spacing: .3px;
  color: #fff;
  font-size: .95rem;
  line-height: 1.2;
  max-width: 160px;
}

/*Edit font-size text navbar*/
.nav-link {
  color: rgba(255, 255, 255, .92) !important;
  font-weight: 600;
  font-size: .8rem;
  letter-spacing: .3px;
  padding: .4rem .5rem !important;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: .5rem;
  right: .5rem;
  height: 2px;
  background: var(--green-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  border-radius: 99px;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1)
}

.nav-link:hover {
  color: #fff !important
}

/* ---- Dropdown ---- */
.dropdown-menu {
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: .5rem 0;
  min-width: 220px;
  animation: dropFade .2s ease;
}

@keyframes dropFade {
  from {
    opacity: 0;
    transform: translateY(-6px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

.dropdown-item {
  font-size: .87rem;
  font-weight: 500;
  padding: .5rem 1.2rem;
  transition: background var(--transition), color var(--transition);
}

.dropdown-item:hover {
  background: var(--accent);
  color: var(--green)
}

/* ---- Language switcher ---- */
.lang-btn {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, .4);
  color: #fff;
  border-radius: 99px;
  padding: .3rem .85rem;
  font-size: .83rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.lang-btn:hover {
  background: rgba(255, 255, 255, .15)
}

.lang-flag {
  width: 20px;
  height: 14px;
  object-fit: cover;
  border-radius: 2px
}

.lang-dropdown {
  border-radius: var(--radius);
  min-width: 160px;
}

.lang-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem 1rem;
  font-size: .86rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}

.lang-item:hover {
  background: var(--accent);
  color: var(--green)
}

/* =========================================================
   HERO
   ========================================================= */
.hero-section {
  min-height: var(--hero-h);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(8, 47, 27, .72) 0%, rgba(22, 163, 74, .45) 100%),
    url('../images/photo1-header.avif') center/cover no-repeat;
  transform: scale(1.04);
  animation: bgZoom 10s ease-in-out infinite alternate;/*Di chuyển ảnh động*/
}

@keyframes bgZoom {
  from {
    transform: scale(1.04)
  }

  to {
    transform: scale(1.0)
  }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, .12) 0%, rgba(0, 0, 0, .45) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 0 1rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255, 255, 255, .15);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 99px;
  padding: .35rem 1.1rem;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 1.4rem;
  animation: fadeUp .6s .1s both;
  letter-spacing: .3px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.5px;
  animation: fadeUp .7s .2s both;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .35);
}

.hero-title .highlight {
  color: var(--green-light);
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.18rem);
  color: rgba(255, 255, 255, .88);
  max-width: 620px;
  margin: .9rem auto 0;
  animation: fadeUp .7s .35s both;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
  animation: fadeUp .7s .5s both;
}

.btn-hero-primary {
  background: var(--green);
  color: #fff;
  border: none;
  padding: .8rem 2rem;
  border-radius: 99px;
  font-weight: 700;
  font-size: .95rem;
  box-shadow: 0 4px 20px rgba(22, 163, 74, .5);
  transition: all var(--transition);
}

.btn-hero-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(22, 163, 74, .55)
}

.btn-hero-secondary {
  background: rgba(255, 255, 255, .15);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, .55);
  padding: .78rem 2rem;
  border-radius: 99px;
  font-weight: 700;
  font-size: .95rem;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}

.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, .28);
  transform: translateY(-2px)
}

/* scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  color: rgba(255, 255, 255, .7);
  font-size: .78rem;
  font-weight: 500;
  animation: bounce 2s infinite;
}

@keyframes bounce {

  0%,
  100% {
    transform: translateX(-50%) translateY(0)
  }

  50% {
    transform: translateX(-50%) translateY(6px)
  }
}

/* hero stats bar */
.hero-stats {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  background: rgba(8, 47, 27, .7);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: .9rem 0;
}

.hero-stat {
  text-align: center
}

.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--green-light)
}

.hero-stat-label {
  font-size: .75rem;
  color: rgba(255, 255, 255, .75);
  font-weight: 500
}

/* =========================================================
   SECTION COMMON
   ========================================================= */
section {
  padding: 5rem 0
}

.section-label {
  color: #100f0f;
  background: #f4f5f4;
  border: none;
  border-radius: 99px;
  padding: .7rem 2rem;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(9, 227, 89, 0.862);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.section-title {
  font-size: clamp(1.55rem, 3.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: -.3px;
  color: var(--navy)
}

.section-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 600px;
  margin: .6rem auto 0
}

.divider {
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, var(--green), var(--green-light));
  border-radius: 99px;
  margin: .75rem auto 0;
}

.divider.left {
  margin-left: 0
}

/* =========================================================
   SERVICE / ACTIVITY CARDS
   ========================================================= */
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.2rem 1.8rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .05);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}

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

.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.2rem;
  font-size: 1.6rem;
  color: #fff;
  box-shadow: 0 6px 20px rgba(22, 163, 74, .35);
}

.service-card h5 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: .6rem;
  color: var(--navy)
}

.service-card p {
  font-size: .88rem;
  color: var(--muted);
  line-height: 1.65
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  color: var(--green);
  font-weight: 600;
  font-size: .86rem;
  margin-top: 1rem;
  transition: gap var(--transition);
}

.service-link:hover {
  gap: .6rem;
  color: var(--green-dark)
}

/* =========================================================
   ABOUT / INTRO SECTION
   ========================================================= */
.about-img-wrapper {
  position: relative
}

.about-img-main {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%
}

.about-img-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem 1.4rem;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-img-badge .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--green)
}

.about-img-badge .lbl {
  font-size: .76rem;
  color: var(--muted);
  font-weight: 500
}

.about-check {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  margin-bottom: .9rem
}

.about-check .icon {
  width: 24px;
  height: 24px;
  min-width: 24px;
  border-radius: 50%;
  background: rgba(22, 163, 74, .12);
  color: var(--green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  margin-top: .05rem;
}

.about-check p {
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.6
}

/* =========================================================
   STATS COUNTER
   ========================================================= */
.stats-section {
  background: linear-gradient(135deg, var(--navy) 0%, #0f4d24 100%);
  padding: 4rem 0;
}

.stat-card {
  text-align: center;
  padding: 2rem 1rem
}

.stat-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: #fff;
  line-height: 1
}

.stat-num span {
  color: var(--green-light)
}

.stat-lbl {
  font-size: .88rem;
  color: rgba(255, 255, 255, .7);
  margin-top: .4rem;
  font-weight: 500
}

/* =========================================================
   NEWS / BLOG CARDS
   ========================================================= */
.news-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .05);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md)
}

.news-card-img {
  height: 200px;
  overflow: hidden
}

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

.news-card:hover .news-card-img img {
  transform: scale(1.06)
}

.news-card-body {
  padding: 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column
}

.news-tag {
  display: inline-block;
  background: var(--accent);
  color: var(--green);
  border-radius: 99px;
  padding: .18rem .7rem;
  font-size: .74rem;
  font-weight: 700;
  margin-bottom: .7rem;
}

.news-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: .5rem
}

.news-card-excerpt {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.6;
  flex: 1
}

.news-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  padding-top: .85rem;
  border-top: 1px solid rgba(0, 0, 0, .06);
}

.news-date {
  font-size: .78rem;
  color: var(--muted)
}

.news-read-more {
  font-size: .82rem;
  font-weight: 700;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: .25rem
}

.news-read-more:hover {
  color: var(--green-dark)
}

/* =========================================================
   PAGE HERO (inner pages)
   ========================================================= */
.page-hero {
  padding: 9rem 0 4rem;
  background: linear-gradient(135deg, var(--navy) 0%, #104d24 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2316a34a' fill-opacity='0.08'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero-title {
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  font-weight: 800;
  position: relative;
  z-index: 1
}

.page-hero-sub {
  color: rgba(255, 255, 255, .78);
  font-size: 1rem;
  position: relative;
  z-index: 1;
  margin-top: .5rem
}

.breadcrumb-nav {
  position: relative;
  z-index: 1;
  margin-top: 1rem
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, .7);
  font-size: .85rem
}

.breadcrumb-nav span {
  color: rgba(255, 255, 255, .45);
  margin: 0 .4rem
}

.breadcrumb-nav .current {
  color: #fff;
  font-size: .85rem;
  font-weight: 600
}

/* =========================================================
   CTA BANNER
   ========================================================= */
.cta-banner {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  padding: 5rem 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
}

.cta-title {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 800;
  position: relative;
  z-index: 1
}

.cta-sub {
  color: rgba(255, 255, 255, .82);
  margin: .6rem 0 1.8rem;
  position: relative;
  z-index: 1
}

.btn-cta {
  background: #fff;
  color: var(--green);
  border: none;
  padding: .85rem 2.4rem;
  border-radius: 99px;
  font-weight: 800;
  font-size: 1rem;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .2);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .25);
  color: var(--green-dark)
}

/* =========================================================
   FOOTER
   ========================================================= */
#mainFooter {
  background: linear-gradient(180deg, #0a3018 0%, #061a0e 100%);
  color: rgba(255, 255, 255, .82);
  padding: 4rem 0 0;
}

.footer-logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .4px
}

.footer-tagline {
  font-size: .84rem;
  color: rgba(255, 255, 255, .55);
  margin-top: .3rem;
  line-height: 1.5
}

.footer-col-title {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  padding-bottom: .7rem;
  border-bottom: 2px solid var(--green);
  display: inline-block;
  margin-bottom: 1.2rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: .55rem
}

.footer-links a {
  font-size: .85rem;
  color: rgba(255, 255, 255, .65);
  transition: color var(--transition), padding-left var(--transition);
  display: flex;
  align-items: center;
  gap: .4rem;
}

.footer-links a:hover {
  color: var(--green-light);
  padding-left: 4px
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  margin-bottom: .75rem
}

.footer-contact-item .icon {
  color: var(--green-light);
  font-size: .95rem;
  margin-top: .05rem;
  min-width: 18px
}

.footer-contact-item span {
  font-size: .85rem;
  color: rgba(255, 255, 255, .7);
  line-height: 1.5
}

.footer-contact-item a {
  color: var(--green-light);
  font-weight: 600
}

.social-links {
  display: flex;
  gap: .7rem;
  margin-top: .5rem
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, .7);
  font-size: 1rem;
  transition: all var(--transition);
}

.social-link:hover {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
  transform: translateY(-2px)
}

.footer-bottom {
  margin-top: 3rem;
  padding: 1.2rem 0;
  border-top: 1px solid rgba(255, 255, 255, .08);
  text-align: center;
  font-size: .8rem;
  color: rgba(255, 255, 255, .4);
}

/* =========================================================
   BUTTONS (general)
   ========================================================= */
.btn-primary-green {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
  border: none;
  border-radius: 99px;
  padding: .7rem 2rem;
  font-weight: 700;
  font-size: .92rem;
  box-shadow: 0 4px 16px rgba(22, 163, 74, .35);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.btn-primary-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(22, 163, 74, .45);
  color: #fff
}

.btn-outline-green {
  background: transparent;
  border: 2px solid var(--green);
  color: var(--green);
  border-radius: 99px;
  padding: .67rem 1.8rem;
  font-weight: 700;
  font-size: .92rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.btn-outline-green:hover {
  background: var(--green);
  color: #fff;
  transform: translateY(-2px)
}

/* =========================================================
   ACHIEVEMENTS / TIMELINE
   ========================================================= */
.achievement-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .05);
  transition: transform var(--transition), box-shadow var(--transition);
  height: 100%;
}

.achievement-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md)
}

.achievement-card-img {
  height: 220px;
  overflow: hidden
}

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

.achievement-card:hover .achievement-card-img img {
  transform: scale(1.06)
}

.achievement-card-body {
  padding: 1.5rem
}

.achievement-card-body h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: .5rem
}

.achievement-card-body p {
  font-size: .86rem;
  color: var(--muted);
  line-height: 1.6
}

/* =========================================================
   INNER PAGE CONTENT
   ========================================================= */
.content-section {
  padding: 5rem 0;
  background: #fff
}

.content-section.alt {
  background: #f8fdf9
}

.content-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .05);
}

.value-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-align: center;
}

.value-card:hover {
  border-color: var(--green);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md)
}

.value-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.2rem;
  font-size: 1.8rem;
  color: #fff;
}

/* =========================================================
   CONTACT PAGE
   ========================================================= */
.contact-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, .05);
  height: 100%;
}

.form-control,
.form-select {
  border-radius: 10px;
  border: 1.5px solid #e5e7eb;
  padding: .65rem 1rem;
  font-size: .9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, .12);
  outline: none;
}

/* =========================================================
   UTILITY / ANIMATIONS
   ========================================================= */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

@keyframes fadeIn {
  from {
    opacity: 0
  }

  to {
    opacity: 1
  }
}

.fade-up {
  animation: fadeUp .7s ease both
}

.delay-1 {
  animation-delay: .15s
}

.delay-2 {
  animation-delay: .3s
}

.delay-3 {
  animation-delay: .45s
}

.delay-4 {
  animation-delay: .6s
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0)
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media(max-width:991.98px) {
  :root {
    --hero-h: 80vh
  }

  .hero-stats {
    display: none
  }

  #mainNavbar {
    background: rgba(8, 47, 27, .95);
  }

  #mainNavbar.light-nav {
    background: #fff;
  }
}

@media(max-width:767.98px) {
  :root {
    --hero-h: 70vh
  }

  section {
    padding: 3.5rem 0
  }

  .hero-title {
    font-size: 1.75rem
  }

  .stat-num {
    font-size: 2.2rem
  }

  .about-img-badge {
    right: 0;
    bottom: -12px
  }
}

/* =========================================================
   DRAWER MENU – HAMBURGER / SLIDE-IN
   ========================================================= */

/* Hamburger & Search – ẩn trên desktop mặc định */
#navHamburger,
#navSearchBtn {
  display: none;
}

/* ---- Overlay mờ phía sau drawer ---- */
#navOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .55);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}

#navOverlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ---- Drawer container ---- */
#navDrawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: var(--navy);
  z-index: 1200;
  transform: translateX(100%);
  transition: transform .3s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

#navDrawer.open {
  transform: translateX(0);
}

/* Header trong drawer */
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.drawer-logo {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: #fff;
  font-weight: 800;
  font-size: .82rem;
  line-height: 1.25;
  max-width: 200px;
}

#drawerCloseBtn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, .75);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 0 .25rem;
  transition: color .2s;
}

#drawerCloseBtn:hover {
  color: #fff;
}

/* Nav list trong drawer */
.drawer-nav {
  list-style: none;
  padding: .6rem 0;
  margin: 0;
  flex: 1;
}

.drawer-nav>li {
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}

.drawer-nav>li>a,
.drawer-nav>li>.drawer-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.4rem;
  color: rgba(255, 255, 255, .88);
  font-weight: 600;
  font-size: .88rem;
  letter-spacing: .3px;
  text-decoration: none;
  background: none;
  border: none;
  width: 100%;
  cursor: pointer;
  transition: background .2s, color .2s;
}

.drawer-nav>li>a:hover,
.drawer-nav>li>.drawer-toggle:hover {
  background: rgba(255, 255, 255, .07);
  color: var(--green-light);
}

.drawer-nav>li>a.active,
.drawer-nav>li.active>.drawer-toggle {
  color: var(--green-light);
}

/* Chevron icon */
.drawer-toggle .chevron {
  display: inline-block;
  transition: transform .25s ease;
  font-style: normal;
  font-size: .75rem;
  opacity: .7;
}

.drawer-toggle[aria-expanded="true"] .chevron {
  transform: rotate(180deg);
}

/* Sub-menu trong drawer */
.drawer-submenu {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  background: rgba(0, 0, 0, .25);
}

.drawer-submenu.open {
  max-height: 400px;
}

.drawer-submenu li a {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .65rem 1.4rem .65rem 2.2rem;
  color: rgba(255, 255, 255, .72);
  font-size: .84rem;
  font-weight: 500;
  text-decoration: none;
  transition: color .2s, background .2s;
}

.drawer-submenu li a:hover {
  color: var(--green-light);
  background: rgba(255, 255, 255, .05);
}

/* Footer drawer – lang switcher */
.drawer-footer {
  padding: 1rem 1.4rem 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.drawer-lang-row {
  display: flex;
  gap: .6rem;
}

.drawer-lang-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .5rem;
  border: 1.5px solid rgba(255, 255, 255, .25);
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, .75);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}

.drawer-lang-btn:hover,
.drawer-lang-btn.active {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

/* =========================================================
   TABLET  (<1200px)
   ========================================================= */
@media (max-width: 1199.98px) {

  /* Ẩn menu ngang và lang switcher desktop */
  .nav-center,
  .nav-right,
  .navbar-toggler {
    display: none !important;
  }

  /* Hiện các nút mobile */
  #navSearchBtn,
  #navHamburger {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  /* Nhóm icon bên phải trên navbar */
  .navbar-mobile-actions {
    display: flex !important;
    align-items: center;
    gap: .5rem;
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
  }

  /* Search button */
  #navSearchBtn {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.1rem;
    padding: .4rem;
    cursor: pointer;
    transition: color .2s;
    border-radius: 50%;
  }

  #navSearchBtn:hover {
    color: var(--green-light);
  }

  /* Hamburger button */
  #navHamburger {
    background: none;
    border: 1.5px solid rgba(255, 255, 255, .45);
    color: #fff;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.15rem;
    transition: all .2s;
    padding-bottom: 2px;
  }

  #navHamburger:hover {
    background: rgba(255, 255, 255, .12);
    border-color: rgba(255, 255, 255, .7);
  }

  /* light-nav variant */
  #mainNavbar.light-nav #navSearchBtn,
  #mainNavbar.light-nav #navHamburger {
    color: var(--text);
    border-color: rgba(0, 0, 0, .25);
  }
}

/* =========================================================
   MOBILE  (<768px)
   ========================================================= */
@media (max-width: 767.98px) {

  /* Logo nhỏ lại */
  .brand-text {
    font-size: .78rem;
    max-width: 120px;
  }

  .navbar-brand svg {
    width: 30px;
    height: 30px;
  }

  /* Drawer full screen */
  #navDrawer {
    width: 100%;
  }
}

/* =========================================================
   VIDEO SECTION ENHANCEMENTS (Premium Version)
   ========================================================= */
.premium-video-container {
  perspective: 1000px;
  margin-bottom: 3.5rem;
  position: relative;
}
.video-wrapper {
  position: relative;
  background: #000;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 2;
}

.video-wrapper:hover {
  transform: translateY(-5px) rotateX(1deg);
  box-shadow: 0 40px 100px rgba(22, 163, 74, 0.3);
}

/* Custom glow effect */
.video-wrapper::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, var(--green), transparent 25%, var(--green-light), transparent 75%);
  border-radius: inherit;
  z-index: 5;
  pointer-events: none;
  opacity: 0.2;
}

.video-wrapper:hover::before {
  opacity: 0.5;
}

/* Decorative background elements */
.premium-video-container::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at center, rgba(22, 163, 74, 0.08) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

/* Glassmorphism Caption Bar */
.video-caption-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 1.25rem 2.2rem;
  border-radius: 99px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  margin-top: -2.2rem; /* Overlap slightly with video for unified look */
  position: relative;
  z-index: 10;
  max-width: 92%;
  margin-left: auto;
  margin-right: auto;
  transition: all 0.4s ease;
}

.video-caption-bar:hover {
  background: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
}

.video-info-text {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--navy);
  font-weight: 600;
  font-size: 0.95rem;
}

.video-info-text i {
  font-size: 1.35rem;
  color: var(--green);
}

.video-youtube-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #FF0000;
  color: #fff !important;
  padding: 0.65rem 1.6rem;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 0, 0, 0.35);
}

.video-youtube-link:hover {
  background: #cc0000;
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(255, 0, 0, 0.45);
}

@media (max-width: 991px) {
  .video-caption-bar {
    max-width: 100%;
    border-radius: 20px;
    margin-top: 1rem;
    padding: 1.5rem;
  }
}

@media (max-width: 600px) {
  .video-caption-bar {
    flex-direction: column;
    text-align: center;
    gap: 1.25rem;
  }
  .video-youtube-link {
    width: 100%;
    justify-content: center;
  }
}

/* Plyr Customizations */
.plyr {
  border-radius: inherit;
  height: 100%;
}

.plyr--video {
  --plyr-color-main: #16a34a; /* var(--green) */
}

.plyr__poster {
  background-size: cover !important;
}