/* VIETTECH – Solar O&M Website */
:root {
  --brand: #0b3d31;
  --brand-deep: #062820;
  --brand-soft: #1a5c4a;
  --accent: #e0a100;
  --accent-hot: #f3c34a;
  --ink: #12241f;
  --muted: #4d635b;
  --line: rgba(11, 61, 49, 0.12);
  --paper: #f3f7f5;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(6, 40, 32, 0.12);
  --radius: 18px;
  --container: 1180px;
  --font-display: "Be Vietnam Pro", "Segoe UI", sans-serif;
  --font-body: "Be Vietnam Pro", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(224, 161, 0, 0.14), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(26, 92, 74, 0.16), transparent 50%),
    linear-gradient(180deg, #eef5f1 0%, var(--paper) 40%, #e7efeb 100%);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: min(var(--container), calc(100% - 2.5rem)); margin-inline: auto; }

.noise {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

main, .site-header, .site-footer { position: relative; z-index: 1; }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition: background .35s var(--ease), backdrop-filter .35s, box-shadow .35s, color .35s;
}
.page-inner .site-header,
.site-header.is-scrolled {
  background: rgba(247, 250, 248, 0.94);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(6, 40, 32, 0.08);
}
.page-home .site-header:not(.is-scrolled) {
  background: linear-gradient(180deg, rgba(6, 40, 32, 0.72) 0%, rgba(6, 40, 32, 0.28) 70%, transparent 100%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 88px;
}
.brand { display: inline-flex; align-items: center; gap: .55rem; flex-shrink: 0; }
.brand-logo {
  height: 72px;
  max-height: 72px;
  width: auto;
  max-width: 110px;
  object-fit: contain;
  display: block;
  background: transparent !important;
  padding: 0 !important;
  border-radius: 0;
  box-shadow: none !important;
  transition: filter .3s ease;
}
.brand-logo-footer {
  height: 80px;
  max-height: 80px;
  max-width: 120px;
  background: transparent !important;
  /* Footer nền tối → logo trắng */
  filter: brightness(0) invert(1);
}
/* Trang chủ: header trong suốt trên hero tối → logo trắng */
.page-home .site-header:not(.is-scrolled) .brand-logo {
  filter: brightness(0) invert(1);
}
/* Khi cuộn: header trắng → giữ logo xanh gốc (bỏ filter trắng) */
.page-home .site-header.is-scrolled .brand-logo,
.page-inner .site-header .brand-logo {
  filter: none;
}
.brand-mark {
  display: none;
}
.brand-text { display: none; }
.nav { display: flex; gap: 1.35rem; align-items: center; }
.nav a, .nav .nav-link {
  font-weight: 700;
  font-size: .95rem;
  color: var(--brand-deep);
  position: relative;
  transition: color .25s;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.nav a:hover, .nav a.active, .nav .nav-link:hover, .nav .nav-link.active,
.nav-item.has-dropdown.active > .nav-link { color: var(--brand-soft); }
.page-home .site-header:not(.is-scrolled) .nav a,
.page-home .site-header:not(.is-scrolled) .nav .nav-link {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.45);
}
.page-home .site-header:not(.is-scrolled) .nav a:hover,
.page-home .site-header:not(.is-scrolled) .nav a.active,
.page-home .site-header:not(.is-scrolled) .nav .nav-link:hover,
.page-home .site-header:not(.is-scrolled) .nav .nav-link.active {
  color: #fff;
}
.nav a.active::after, .nav a:hover::after,
.nav .nav-link.active::after, .nav-item.has-dropdown:hover > .nav-link::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--accent);
  transform-origin: left;
  animation: grow .35s var(--ease);
}
.nav-item.has-dropdown {
  position: relative;
}
.nav-item .caret {
  display: inline-block;
  width: 0; height: 0;
  margin-left: .28rem;
  vertical-align: middle;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
}
.nav-dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 220px;
  padding: .55rem;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: .25s var(--ease);
  z-index: 120;
}
.nav-item.has-dropdown:hover .nav-dropdown,
.nav-item.has-dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: .7rem .85rem;
  color: var(--brand-deep) !important;
  text-shadow: none !important;
  font-weight: 600;
  white-space: nowrap;
}
.nav-dropdown a:hover {
  background: rgba(11, 61, 49, 0.06);
  color: var(--brand-soft) !important;
}
.nav-dropdown a::after { display: none !important; }
.cat-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}
.cat-tab {
  padding: .55rem .95rem;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
  font-weight: 700;
  color: var(--brand);
  transition: .25s;
}
.cat-tab:hover, .cat-tab.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.project-card { display: block; color: inherit; }
.project-more {
  display: inline-block;
  margin-top: .65rem;
  font-weight: 700;
  color: var(--accent-hot);
  font-size: .9rem;
}
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.header-actions { display: flex; align-items: center; gap: .75rem; }
.phone-pill {
  display: inline-flex; align-items: center;
  padding: .65rem 1rem;
  border: 1px solid rgba(11, 61, 49, 0.18);
  background: #fff;
  font-weight: 700;
  color: var(--brand-deep);
  transition: transform .3s var(--ease), background .3s, border-color .3s, color .3s;
}
.phone-pill:hover { transform: translateY(-2px); background: #fff; }
.page-home .site-header:not(.is-scrolled) .phone-pill {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  backdrop-filter: blur(8px);
}
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--brand); transition: .3s; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .95rem 1.45rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform .35s var(--ease), box-shadow .35s, background .35s;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hot) 100%);
  color: var(--brand-deep);
  box-shadow: 0 14px 30px rgba(224, 161, 0, 0.28);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255,255,255,.35);
}
.btn-dark {
  background: var(--brand);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--brand);
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  color: #fff;
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.08);
  animation: heroZoom 18s var(--ease) infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05) translateY(0); }
  to { transform: scale(1.14) translateY(-2%); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(6,40,32,.35) 0%, rgba(6,40,32,.55) 40%, rgba(6,40,32,.88) 100%),
    linear-gradient(90deg, rgba(6,40,32,.75), transparent 60%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 9rem 0 5rem;
  max-width: 760px;
}
.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: .92;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  opacity: 0;
  animation: rise .9s .15s var(--ease) forwards;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  font-weight: 650;
  line-height: 1.25;
  max-width: 18ch;
  margin-bottom: 1rem;
  opacity: 0;
  animation: rise .9s .3s var(--ease) forwards;
}
.hero p {
  font-size: 1.08rem;
  color: rgba(255,255,255,.86);
  max-width: 46ch;
  margin-bottom: 2rem;
  opacity: 0;
  animation: rise .9s .45s var(--ease) forwards;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: .85rem;
  opacity: 0;
  animation: rise .9s .6s var(--ease) forwards;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-scroll {
  position: absolute;
  right: max(1.25rem, calc((100% - var(--container)) / 2));
  bottom: 2rem;
  writing-mode: vertical-rl;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: .72rem;
  color: rgba(255,255,255,.65);
  opacity: 0;
  animation: rise .9s .8s var(--ease) forwards;
}

/* Sections */
.section { padding: 6rem 0; }
.section-head {
  display: grid;
  gap: .75rem;
  margin-bottom: 2.5rem;
  max-width: 640px;
}
.eyebrow {
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-soft);
}
.section-head h2, .page-hero h1, .detail-title {
  font-family: var(--font-display);
  font-weight: 750;
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  color: var(--brand-deep);
}
.section-head p, .lead { color: var(--muted); font-size: 1.05rem; }

.page-hero {
  padding: 8.5rem 0 3rem;
  position: relative;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 100%;
  background:
    radial-gradient(700px 280px at 80% 20%, rgba(224,161,0,.12), transparent 60%),
    linear-gradient(180deg, rgba(11,61,49,.06), transparent);
  z-index: -1;
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* Marquee / partners */
.marquee-wrap {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: rgba(255,255,255,.45);
  padding: 1.5rem 0;
}
.marquee {
  display: flex;
  gap: 3rem;
  width: max-content;
  animation: marquee 35s linear infinite;
  align-items: center;
}
.marquee img {
  height: 42px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1) contrast(1.1);
  opacity: .75;
  transition: .35s;
}
.marquee img:hover { filter: none; opacity: 1; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.feature-item {
  padding: 1.75rem 1.5rem;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
  transition: transform .4s var(--ease), background .4s, box-shadow .4s;
}
.feature-item:hover {
  transform: translateY(-6px);
  background: #fff;
  box-shadow: var(--shadow);
}
.feature-item .num {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent);
  font-weight: 800;
  line-height: 1;
  margin-bottom: .85rem;
}
.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: .5rem;
  color: var(--brand-deep);
}
.feature-item p { color: var(--muted); font-size: .95rem; }

/* Split */
.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 3rem;
  align-items: center;
}
.split-media {
  position: relative;
  min-height: 420px;
  overflow: hidden;
}
.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 420px;
}
.split-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 40%;
  background: linear-gradient(transparent, rgba(6,40,32,.55));
}
.split-badge {
  position: absolute;
  left: 1.25rem; bottom: 1.25rem;
  z-index: 2;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}
.values {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
  margin-top: 1.5rem;
}
.value-chip {
  padding: 1rem;
  background: rgba(255,255,255,.7);
  border-left: 3px solid var(--accent);
}
.value-chip strong {
  display: block;
  font-family: var(--font-display);
  margin-bottom: .2rem;
  color: var(--brand);
}

/* Product / news tiles – interaction containers */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}
.tile {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,.7);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s;
}
.tile:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.tile-media {
  aspect-ratio: 16/11;
  overflow: hidden;
  background: linear-gradient(135deg, var(--brand), var(--brand-soft));
  position: relative;
}
.tile-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.tile:hover .tile-media img { transform: scale(1.08); }
.tile-body { padding: 1.25rem 1.25rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.tile-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.3;
  margin-bottom: .55rem;
  color: var(--brand-deep);
}
.tile-body p { color: var(--muted); font-size: .94rem; flex: 1; }
.tile-meta {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: .5rem;
  font-weight: 700;
  color: var(--brand);
  font-size: .9rem;
}
.tile-meta span.price { color: var(--accent); }

/* Projects */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.project-card {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  color: #fff;
}
.project-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.project-card:hover img { transform: scale(1.1); }
.project-card .shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(6,40,32,.9) 100%);
}
.project-card .info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 1.35rem;
  z-index: 2;
}
.project-card .cap {
  display: inline-block;
  font-weight: 800;
  color: var(--accent-hot);
  margin-bottom: .35rem;
  font-size: .9rem;
  letter-spacing: 0.04em;
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.25;
}

/* CTA band */
.cta-band {
  margin: 2rem 0 0;
  padding: 4rem 0;
  background:
    linear-gradient(120deg, rgba(6,40,32,.92), rgba(11,61,49,.88)),
    url("../images/hero/hero-2.jpg") center/cover;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  width: 420px; height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224,161,0,.35), transparent 65%);
  right: -80px; top: -120px;
  animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: .8; }
  50% { transform: scale(1.15); opacity: 1; }
}
.cta-inner {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  max-width: 14ch;
  line-height: 1.15;
}

/* Forms */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.contact-panel, .form-box {
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
  padding: 1.75rem;
}
.form-row { margin-bottom: 1rem; }
.form-row label {
  display: block;
  font-weight: 600;
  margin-bottom: .4rem;
  font-size: .92rem;
}
.form-row input, .form-row textarea {
  width: 100%;
  padding: .85rem 1rem;
  border: 1px solid var(--line);
  background: #fff;
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.form-row input:focus, .form-row textarea:focus {
  border-color: var(--brand-soft);
  box-shadow: 0 0 0 3px rgba(26, 92, 74, 0.12);
}
.form-row textarea { min-height: 140px; resize: vertical; }
.alert {
  padding: .9rem 1rem;
  margin-bottom: 1rem;
  border-left: 3px solid;
}
.alert-success { background: #e8f6ef; border-color: #1a5c4a; color: #0b3d31; }
.alert-error { background: #fdecea; border-color: #c0392b; color: #7a1f16; }

/* Detail */
.detail-layout {
  display: grid;
  grid-template-columns: 1.4fr .7fr;
  gap: 2.5rem;
  align-items: start;
}
.detail-cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  margin-bottom: 1.75rem;
  background: var(--brand);
}
.detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.prose { color: var(--ink); font-size: 1.05rem; }
.prose p, .prose ul { margin-bottom: 1rem; }
.prose ul { padding-left: 1.2rem; }
.prose h2, .prose h3 {
  font-family: var(--font-display);
  color: var(--brand-deep);
  margin: 1.5rem 0 .75rem;
}
.side-box {
  background: rgba(255,255,255,.75);
  border: 1px solid var(--line);
  padding: 1.5rem;
  position: sticky;
  top: 100px;
}
.side-box h3 {
  font-family: var(--font-display);
  margin-bottom: .75rem;
  color: var(--brand);
}

/* Footer */
.site-footer {
  margin-top: 4rem;
  background: var(--brand-deep);
  color: rgba(255,255,255,.84);
  padding: 4rem 0 1.5rem;
  position: relative;
  overflow: hidden;
}
.footer-glow {
  position: absolute;
  width: 500px; height: 500px;
  right: -120px; top: -160px;
  background: radial-gradient(circle, rgba(224,161,0,.22), transparent 70%);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 2.5rem;
  position: relative;
}
.footer-brand p { margin: 1rem 0 1.5rem; max-width: 42ch; color: rgba(255,255,255,.7); }
.footer-col { display: flex; flex-direction: column; gap: .55rem; }
.footer-col h4 {
  font-family: var(--font-display);
  color: #fff;
  margin-bottom: .5rem;
}
.footer-col a:hover { color: var(--accent-hot); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: .88rem;
  color: rgba(255,255,255,.55);
  position: relative;
}
.footer-bottom .dev-credit {
  color: var(--accent-hot);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s, border-color .25s;
}
.footer-bottom .dev-credit:hover {
  color: #fff;
  border-bottom-color: rgba(255,255,255,.5);
}

.float-cta {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 90;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-hot));
  color: var(--brand-deep);
  box-shadow: 0 12px 30px rgba(224,161,0,.4);
  animation: bob 2.8s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
.stat {
  padding: 1.25rem;
  background: rgba(255,255,255,.55);
  border: 1px solid var(--line);
  text-align: center;
}
.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--brand);
  line-height: 1;
  margin-bottom: .35rem;
}
.stat span { color: var(--muted); font-size: .9rem; }

.equip-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.equip-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background: rgba(255,255,255,.65);
  border: 1px solid var(--line);
}
.equip-item .dot {
  width: 12px; height: 12px; margin-top: .4rem;
  background: var(--accent);
  flex-shrink: 0;
}

.empty {
  padding: 3rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  background: rgba(255,255,255,.5);
}

/* Responsive */
@media (max-width: 980px) {
  .nav {
    position: fixed;
    inset: 78px 1rem auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(243,247,245,.97);
    border: 1px solid var(--line);
    padding: .75rem;
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a,
  .nav .nav-link,
  .page-home .site-header:not(.is-scrolled) .nav a,
  .page-home .site-header:not(.is-scrolled) .nav .nav-link {
    padding: .85rem 1rem;
    color: var(--brand-deep);
    text-shadow: none;
  }
  .nav a.active,
  .nav .nav-link.active,
  .page-home .site-header:not(.is-scrolled) .nav a.active,
  .page-home .site-header:not(.is-scrolled) .nav .nav-link.active,
  .nav a:hover,
  .nav .nav-link:hover,
  .page-home .site-header:not(.is-scrolled) .nav a:hover,
  .page-home .site-header:not(.is-scrolled) .nav .nav-link:hover {
    color: var(--brand-soft);
    background: rgba(11, 61, 49, 0.06);
  }
  .nav a.active::after, .nav a:hover::after,
  .nav .nav-link.active::after, .nav .nav-link:hover::after { display: none; }
  .nav-item.has-dropdown { width: 100%; }
  .nav-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    box-shadow: none;
    border: 0;
    background: transparent;
    padding: 0 0 .35rem .75rem;
    min-width: 0;
  }
  .nav-item.has-dropdown:hover .nav-dropdown {
    transform: none;
  }
  .nav-dropdown a {
    padding: .55rem .85rem;
    font-size: .9rem;
  }
  .nav-toggle { display: inline-flex; }
  .page-home .site-header:not(.is-scrolled) .nav-toggle {
    background: rgba(255,255,255,.2);
    border-color: rgba(255,255,255,.4);
  }
  .page-home .site-header:not(.is-scrolled) .nav-toggle span { background: #fff; }
  .phone-pill { display: none; }
  .feature-grid, .tile-grid, .project-grid { grid-template-columns: 1fr 1fr; }
  .split, .form-grid, .detail-layout, .footer-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .hero-scroll { display: none; }
}
@media (max-width: 640px) {
  .feature-grid, .tile-grid, .project-grid, .equip-list, .values, .stats-row { grid-template-columns: 1fr; }
  .section { padding: 4rem 0; }
  .hero-content { padding: 8rem 0 3.5rem; }
}