/* ═══════════════════════════════════════════════════════════
   Song Ngọc — Design System
   Brand: #00854A (Green) · #F38022 (Orange)
   Font: Be Vietnam Pro
═══════════════════════════════════════════════════════════ */

/* ── Custom Properties ── */
:root {
  --sn-green:      #00854A;
  --sn-green-dk:   #005C34;
  --sn-green-lt:   #E6F4ED;
  --sn-green-mid:  #00A85E;
  --sn-orange:     #F38022;
  --sn-orange-dk:  #C9620F;
  --sn-orange-lt:  #FEF0E3;

  --bg:            #F5F7F6;
  --surface:       #FFFFFF;
  --surface-2:     #F9FBF9;
  --border:        #D8E8DC;
  --border-2:      #EAF2EC;

  --text:          #141E17;
  --text-2:        #3D5A47;
  --text-3:        #6A8C78;
  --text-inv:      #FFFFFF;

  --shadow-sm:     0 1px 3px rgba(0,0,0,.06);
  --shadow-md:     0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:     0 12px 48px rgba(0,0,0,.10);
  --shadow-xl:     0 24px 80px rgba(0,0,0,.13);

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     20px;
  --radius-xl:     32px;

  --transition:    0.25s cubic-bezier(.4,0,.2,1);
  --font:          'Be Vietnam Pro', 'Segoe UI', system-ui, sans-serif;

  --header-h:      70px;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea, select { font-family: var(--font); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 800; color: var(--text); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.1rem; }
p  { color: var(--text-2); }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 992px) { .container { padding: 0 48px; } }

.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
@media (max-width: 768px) { .section { padding: 56px 0; } }

/* ── Section Title ── */
.sec-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .68rem; font-weight: 800; letter-spacing: 2px;
  text-transform: uppercase; color: var(--sn-green);
  background: var(--sn-green-lt); border: 1px solid rgba(0,133,74,.2);
  padding: 4px 14px; border-radius: 20px; margin-bottom: 14px;
}
.sec-title { text-align: center; margin-bottom: 56px; }
.sec-title h2 { margin-bottom: 14px; }
.sec-title h2 em { color: var(--sn-green); font-style: normal; }
.sec-title p { color: var(--text-3); max-width: 580px; margin: 0 auto; font-size: .95rem; }
.sec-line {
  width: 52px; height: 4px; border-radius: 2px; margin: 14px auto 0;
  background: linear-gradient(90deg, var(--sn-green), var(--sn-orange));
}
.sec-title-left { text-align: left; }
.sec-title-left p { margin: 0; }
.sec-title-left .sec-line { margin: 14px 0 0; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 30px;
  font-size: .88rem; font-weight: 700; letter-spacing: .3px;
  transition: all var(--transition); white-space: nowrap;
  position: relative; overflow: hidden;
}
.btn-primary {
  background: var(--sn-green); color: #fff;
  box-shadow: 0 4px 16px rgba(0,133,74,.3);
}
.btn-primary:hover {
  background: var(--sn-green-dk);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,133,74,.35);
}
.btn-orange {
  background: var(--sn-orange); color: #fff;
  box-shadow: 0 4px 16px rgba(243,128,34,.3);
}
.btn-orange:hover {
  background: var(--sn-orange-dk);
  transform: translateY(-2px);
}
.btn-outline {
  border: 2px solid var(--sn-green); color: var(--sn-green);
  background: transparent;
}
.btn-outline:hover { background: var(--sn-green); color: #fff; transform: translateY(-2px); }
.btn-outline-white {
  border: 2px solid rgba(255,255,255,.6); color: #fff; background: transparent;
}
.btn-outline-white:hover { background: rgba(255,255,255,.12); }
.btn-lg { padding: 16px 40px; font-size: 1rem; }
.btn-sm { padding: 8px 20px; font-size: .78rem; }
.btn i { font-size: .9em; }

/* ── Cards ── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0,133,74,.25);
}
.card-img { position: relative; overflow: hidden; aspect-ratio: 16/10; background: #1a1a1a; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.card:hover .card-img img { transform: scale(1.06); }
.card-body { padding: 20px 22px 24px; }
.card-label {
  font-size: .68rem; font-weight: 800; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--sn-green);
  background: var(--sn-green-lt); padding: 3px 10px; border-radius: 10px;
  display: inline-block; margin-bottom: 10px;
}
.card-title { font-size: 1rem; font-weight: 800; margin-bottom: 8px; color: var(--text); line-height: 1.35; }
.card-desc { font-size: .82rem; color: var(--text-3); line-height: 1.6; }
.card-footer { padding: 14px 22px; border-top: 1px solid var(--border-2); display: flex; align-items: center; justify-content: space-between; }
.card-meta { font-size: .75rem; color: var(--text-3); display: flex; align-items: center; gap: 6px; }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .68rem; font-weight: 700; padding: 4px 10px; border-radius: 10px;
}
.badge-green  { background: var(--sn-green-lt);  color: var(--sn-green);  }
.badge-orange { background: var(--sn-orange-lt); color: var(--sn-orange); }
.badge-dark   { background: rgba(0,0,0,.06);      color: var(--text-2);   }

/* ── Tags / Pills ── */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag {
  font-size: .72rem; font-weight: 700; padding: 4px 12px; border-radius: 12px;
  background: var(--bg); border: 1px solid var(--border); color: var(--text-2);
  cursor: pointer; transition: all var(--transition);
}
.tag:hover, .tag.active { background: var(--sn-green); border-color: var(--sn-green); color: #fff; }

/* ── Divider ── */
.divider { height: 1px; background: var(--border); margin: 0; }
.divider-gradient { height: 3px; background: linear-gradient(90deg, var(--sn-green) 0%, var(--sn-orange) 50%, var(--sn-green) 100%); }

/* ── Color Bar ── */
.color-bar { height: 3px; background: linear-gradient(90deg, var(--sn-green) 0%, var(--sn-orange) 50%, var(--sn-green) 100%); }

/* ════════════════════════════════
   HEADER / NAV
════════════════════════════════ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px) saturate(160%);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,.97);
  box-shadow: var(--shadow-md);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.header-logo { display: flex; align-items: center; gap: 10px; }
.header-logo img { height: 42px; width: auto; object-fit: contain; }

/* Desktop Nav */
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: flex; align-items: center; gap: 5px;
  padding: 8px 14px; border-radius: 8px;
  font-size: .82rem; font-weight: 700; letter-spacing: .2px;
  color: var(--text); transition: all var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--sn-green); background: var(--sn-green-lt); }
.nav-link .fa-chevron-down { font-size: .65em; transition: transform var(--transition); }
.nav-item:hover .fa-chevron-down { transform: rotate(180deg); }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  min-width: 240px; padding: 8px;
  opacity: 0; transform: translateY(8px); pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}
.nav-item:hover .nav-dropdown {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}
.nav-dropdown a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px; border-radius: 8px;
  font-size: .82rem; font-weight: 600; color: var(--text-2);
  transition: all var(--transition);
}
.nav-dropdown a:hover { background: var(--sn-green-lt); color: var(--sn-green); }
.nav-dropdown a i { width: 16px; color: var(--sn-green); font-size: .85em; }

.nav-cta { margin-left: 8px; }

/* Mobile Menu */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--text); border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed; inset: 0; top: var(--header-h); z-index: 800;
  background: var(--surface); overflow-y: auto;
  padding: 24px 20px;
  transform: translateX(-100%);
  transition: transform var(--transition);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: var(--radius-md);
  font-size: .92rem; font-weight: 700; color: var(--text);
  border-bottom: 1px solid var(--border-2);
}
.mobile-nav a:hover, .mobile-nav a.active { color: var(--sn-green); background: var(--sn-green-lt); }
.mobile-nav a i { width: 20px; color: var(--sn-green); font-size: .9rem; }
.mobile-nav-sep { font-size: .65rem; font-weight: 800; letter-spacing: 2px; text-transform: uppercase; color: var(--text-3); padding: 20px 16px 8px; }

@media (max-width: 991px) {
  .main-nav, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-nav { display: block; }
}

/* Body offset for fixed header */
body { padding-top: var(--header-h); }

/* ════════════════════════════════
   HERO SECTION (base styles — animations in hero.js)
════════════════════════════════ */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  background: #5c77b1;
  overflow: hidden;
  display: flex; align-items: center;
}
/* Hero video — lazy loaded, fade in when ready */
#heroVideo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 2;
  opacity: 0;
  transition: opacity 1.4s ease;
  pointer-events: none;
}
#heroVideo.is-playing { opacity: 1; }

/* Dark overlay for text contrast — shown when video plays */
.hero-video-overlay {
  position: absolute; inset: 0;
  background: rgba(5, 12, 7, 0.01);
  z-index: 3;
  opacity: 0;
  transition: opacity 1.4s ease;
  pointer-events: none;
}
.hero-video-overlay.is-visible { opacity: 1; }

/* Canvas: above video + overlay, below content */
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 4;
}
.hero-content {
  position: relative; z-index: 10;
  max-width: 720px;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .72rem; font-weight: 800; letter-spacing: 2.5px;
  text-transform: uppercase; color: var(--sn-orange);
  margin-bottom: 20px;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 32px; height: 2px;
  background: var(--sn-orange); border-radius: 2px;
}
.hero h1 {
  color: #fff; font-size: clamp(2rem, 5.5vw, 4rem);
  line-height: 1.1; margin-bottom: 24px; font-weight: 900;
}
.hero h1 em { color: var(--sn-orange); font-style: normal; }
.hero h1 .accent { color: var(--sn-green); }
.hero-desc {
  color: rgba(255,255,255,.72); font-size: clamp(.9rem, 1.8vw, 1.1rem);
  line-height: 1.7; margin-bottom: 36px; max-width: 560px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 56px; flex-wrap: wrap;
}
.hero-stat-num {
  font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: #fff; line-height: 1;
}
.hero-stat-num span { color: var(--sn-orange); }
.hero-stat-label {
  font-size: .75rem; font-weight: 600; color: rgba(255,255,255,.55);
  text-transform: uppercase; letter-spacing: 1px; margin-top: 4px;
}
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  font-size: .68rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; color: rgba(255,255,255,.4);
  z-index: 10; animation: bounce 2s ease-in-out infinite;
}
.hero-scroll-hint::after {
  content: ''; width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-8px); }
}

/* ════════════════════════════════
   PAGE HERO (inner pages)
════════════════════════════════ */
.page-hero {
  background: linear-gradient(135deg, var(--sn-green-dk) 0%, var(--sn-green) 60%, #006B3C 100%);
  padding: 60px 0 56px;
  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='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(1.6rem, 4vw, 2.6rem); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,.75); font-size: .95rem; max-width: 560px; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .75rem; font-weight: 600;
  color: rgba(255,255,255,.6); margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: .6em; }

/* ════════════════════════════════
   GRID LAYOUTS
════════════════════════════════ */
.grid-3  { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2  { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-4  { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 24px; }

@media (max-width: 1200px) { .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 991px)  { .grid-3 { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 640px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }
}

/* ════════════════════════════════
   STATS / NUMBERS
════════════════════════════════ */
.stats-strip {
  background: var(--sn-green);
  padding: 48px 0;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 900;
  color: #fff; line-height: 1;
}
.stat-num span { color: var(--sn-orange); }
.stat-label {
  font-size: .78rem; font-weight: 600;
  color: rgba(255,255,255,.7); text-transform: uppercase;
  letter-spacing: 1px; margin-top: 6px;
}

/* ════════════════════════════════
   SECTOR CARDS
════════════════════════════════ */
.sector-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition); position: relative; overflow: hidden;
}
.sector-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--sn-green), var(--sn-orange));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.sector-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(0,133,74,.25); }
.sector-card:hover::before { transform: scaleX(1); }
.sector-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: var(--sn-green-lt); color: var(--sn-green);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.sector-card h3 { font-size: 1rem; margin-bottom: 10px; color: var(--text); }
.sector-card p { font-size: .82rem; color: var(--text-3); line-height: 1.65; }
.sector-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .78rem; font-weight: 700; color: var(--sn-green);
  margin-top: 16px; transition: gap var(--transition);
}
.sector-link:hover { gap: 10px; }

/* ════════════════════════════════
   PARTNER LOGOS MARQUEE
════════════════════════════════ */
.marquee-wrapper { overflow: hidden; background: var(--surface); padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.marquee-track {
  display: flex; gap: 60px; width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
.marquee-item { display: flex; align-items: center; opacity: .5; filter: grayscale(1); transition: all var(--transition); }
.marquee-item:hover { opacity: 1; filter: grayscale(0); }
.marquee-item img { height: 36px; width: auto; object-fit: contain; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ════════════════════════════════
   PROJECT / NEWS FILTER
════════════════════════════════ */
.filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 36px; padding-bottom: 24px;
  border-bottom: 1px solid var(--border-2);
}

/* ════════════════════════════════
   FORM STYLES
════════════════════════════════ */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; font-size: .78rem; font-weight: 700;
  color: var(--text); margin-bottom: 7px;
}
.form-label .req { color: var(--sn-orange); margin-left: 3px; }
.form-control {
  width: 100%; padding: 12px 16px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--radius-md); font-size: .88rem; color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--sn-green); box-shadow: 0 0 0 3px rgba(0,133,74,.12); }
.form-control::placeholder { color: var(--text-3); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-error { font-size: .72rem; color: #EF4444; margin-top: 5px; display: none; }
.form-control.invalid { border-color: #EF4444; }
.form-control.invalid + .form-error { display: block; }

/* ════════════════════════════════
   MAP EMBED
════════════════════════════════ */
.map-wrap {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border); height: 380px;
}
.map-wrap iframe { width: 100%; height: 100%; border: none; display: block; }

/* ════════════════════════════════
   JOB CARD
════════════════════════════════ */
.job-card {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 24px 28px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  transition: all var(--transition); flex-wrap: wrap;
}
.job-card:hover { border-color: rgba(0,133,74,.3); box-shadow: var(--shadow-md); transform: translateX(4px); }
.job-info { flex: 1; min-width: 200px; }
.job-title { font-size: 1rem; font-weight: 800; color: var(--text); margin-bottom: 6px; }
.job-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.job-meta span { font-size: .75rem; color: var(--text-3); display: flex; align-items: center; gap: 5px; }

/* ════════════════════════════════
   LIGHTBOX OVERLAY
════════════════════════════════ */
.lightbox-overlay {
  display: none; position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,.9); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; padding: 20px;
}
.lightbox-overlay.open { display: flex; }
.lightbox-overlay img { max-width: min(90vw, 1200px); max-height: 90vh; object-fit: contain; border-radius: 8px; }
.lightbox-close {
  position: absolute; top: 20px; right: 20px;
  color: #fff; font-size: 1.5rem; cursor: pointer;
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  transition: background var(--transition);
}
.lightbox-close:hover { background: rgba(255,255,255,.2); }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.site-footer {
  background: var(--text); color: rgba(255,255,255,.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px; padding-bottom: 48px;
}
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 640px)  { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 44px; width: auto; object-fit: contain; filter: brightness(0) invert(1); }
.footer-desc { font-size: .82rem; line-height: 1.7; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7); font-size: .85rem;
  transition: all var(--transition);
}
.social-btn:hover { background: var(--sn-green); border-color: var(--sn-green); color: #fff; }

.footer-heading {
  font-size: .72rem; font-weight: 800; letter-spacing: 2px;
  text-transform: uppercase; color: #fff;
  margin-bottom: 20px; display: block;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: .82rem; color: rgba(255,255,255,.6);
  transition: color var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.footer-links a:hover { color: var(--sn-orange); }
.footer-links a::before { content: '›'; color: var(--sn-green); font-weight: 900; }

.footer-contact li { margin-bottom: 14px; }
.footer-contact a {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .82rem; color: rgba(255,255,255,.65);
  transition: color var(--transition);
}
.footer-contact a:hover { color: var(--sn-orange); }
.footer-contact a i { color: var(--sn-green); flex-shrink: 0; margin-top: 2px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0; text-align: center;
  font-size: .75rem; color: rgba(255,255,255,.4);
}
.footer-bottom a { color: var(--sn-green); }

/* ════════════════════════════════
   BACK TO TOP
════════════════════════════════ */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 500;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--sn-green); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(0,133,74,.35);
  opacity: 0; transform: translateY(16px);
  transition: all var(--transition); cursor: pointer;
  border: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--sn-green-dk); transform: translateY(-3px); }

/* ════════════════════════════════
   NOTIFICATION TOAST
════════════════════════════════ */
.toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(60px);
  background: var(--sn-green); color: #fff;
  padding: 12px 28px; border-radius: 30px;
  font-size: .88rem; font-weight: 700;
  box-shadow: 0 6px 24px rgba(0,133,74,.35);
  transition: transform var(--transition); z-index: 9900;
  display: flex; align-items: center; gap: 10px;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: #EF4444; box-shadow: 0 6px 24px rgba(239,68,68,.35); }

/* ════════════════════════════════
   SCROLL REVEAL (AOS fallback)
════════════════════════════════ */
[data-aos] { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }
[data-aos="fade-right"] { transform: translateX(-20px); }
[data-aos="fade-right"].aos-animate { transform: translateX(0); }
[data-aos="fade-left"] { transform: translateX(20px); }
[data-aos="fade-left"].aos-animate { transform: translateX(0); }
[data-aos="zoom-in"] { transform: scale(.95); }
[data-aos="zoom-in"].aos-animate { transform: scale(1); }

/* ════════════════════════════════
   UTILITY
════════════════════════════════ */
.text-green    { color: var(--sn-green) !important; }
.text-orange   { color: var(--sn-orange) !important; }
.text-muted    { color: var(--text-3) !important; }
.text-white    { color: #fff !important; }
.text-center   { text-align: center; }
.text-left     { text-align: left; }
.bg-surface    { background: var(--surface); }
.bg-alt        { background: var(--surface-2); }
.bg-green      { background: var(--sn-green); }
.bg-dark       { background: var(--text); }
.fw-700        { font-weight: 700; }
.fw-800        { font-weight: 800; }
.fw-900        { font-weight: 900; }
.mt-0  { margin-top: 0; }
.mb-0  { margin-bottom: 0; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Loading Skeleton ── */
.skeleton { background: linear-gradient(90deg, var(--border-2) 25%, var(--border) 50%, var(--border-2) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 6px; }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* ── Swiper customization ── */
.swiper-pagination-bullet { background: var(--sn-green) !important; }
.swiper-button-next, .swiper-button-prev { color: var(--sn-green) !important; }

/* Print */
@media print {
  .site-header, .site-footer, .back-to-top, .toast { display: none !important; }
  body { padding-top: 0; }
}