/* ==========================================================================
   LTA SOLAR — shared stylesheet (Premium / luxury edition)
   ========================================================================== */

:root {
  --navy: #0e2438;
  --navy-dark: #071420;
  --charcoal: #10181f;
  --ink: #1c2126;
  --gray-700: #5b6570;
  --gray-500: #8a939b;
  --gray-200: #e8e3d9;
  --gray-100: #f6f3ec;
  --cream: #faf7f1;
  --white: #ffffff;
  --gold: #c8a05a;
  --gold-light: #e8d3a3;
  --gold-dark: #9c7a3c;
  --green: #4c8c6b;
  --radius: 4px;
  --radius-sm: 2px;
  --shadow: 0 22px 50px rgba(7, 20, 32, 0.16);
  --shadow-sm: 0 8px 24px rgba(7, 20, 32, 0.10);
  --container: 1180px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Be Vietnam Pro", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  margin: 0 0 .5em;
  line-height: 1.25;
  font-weight: 600;
  color: var(--navy-dark);
  font-family: "Playfair Display", "Be Vietnam Pro", serif;
}
p { margin: 0 0 1em; color: var(--gray-700); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }
@media (max-width: 768px) { section { padding: 56px 0; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Be Vietnam Pro", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--gold); display: inline-block; }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head .eyebrow::before { display: none; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 38px); }
.section-head p { font-size: 16px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-dark)); color: var(--navy-dark); box-shadow: 0 10px 24px rgba(200, 160, 90, .35); }
.btn-primary:hover { box-shadow: 0 14px 30px rgba(200, 160, 90, .45); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.5); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.08); border-color: var(--gold); color: var(--gold-light); }
.btn-navy { background: var(--navy-dark); color: var(--white); }
.btn-navy:hover { background: var(--navy); }
.btn-line { background: transparent; border-color: var(--navy-dark); color: var(--navy-dark); }
.btn-line:hover { border-color: var(--gold); color: var(--gold-dark); }
.btn-block { width: 100%; }

/* ===== Topbar ===== */
.topbar { background: var(--navy-dark); color: #b9c4cd; font-size: 13px; letter-spacing: .02em; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; min-height: 40px; padding-top: 6px; padding-bottom: 6px; gap: 6px 16px; }
.topbar-left { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.topbar a { display: inline-flex; align-items: center; gap: 6px; color: #b9c4cd; }
.topbar a:hover { color: var(--gold); }
.topbar-note { opacity: .7; font-style: italic; }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: var(--cream); box-shadow: 0 1px 0 rgba(14,36,56,.08); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 50px; width: auto; }
.brand-text { display: flex; flex-direction: column; }
.brand-text strong { font-family: "Playfair Display", serif; font-size: 23px; letter-spacing: .03em; color: var(--navy-dark); font-weight: 700; }
.brand-text span { font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-dark); font-weight: 700; white-space: nowrap; }

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  padding: 10px 12px;
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .03em;
  color: var(--ink);
  border-radius: var(--radius-sm);
  position: relative;
  white-space: nowrap;
  flex-shrink: 0;
}
.main-nav a:hover, .main-nav a.active { color: var(--gold-dark); }
.header-cta { display: flex; align-items: center; gap: 14px; }
.header-cta .hotline { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--navy); font-size: 14.5px; }
.header-cta .hotline .ico { color: var(--gold-dark); }
.nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--navy); cursor: pointer; }

@media (max-width: 1300px) {
  .main-nav { position: fixed; inset: 0 0 0 30%; background: var(--cream); flex-direction: column; align-items: stretch; padding: 90px 24px 24px; transform: translateX(100%); transition: transform .25s ease; box-shadow: -10px 0 30px rgba(0,0,0,.15); }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { padding: 14px 10px; border-bottom: 1px solid var(--gray-200); }
  .header-cta .hotline span.label { display: none; }
  .nav-toggle { display: block; }
  .header-cta .btn-primary { padding: 10px 16px; font-size: 12px; }
}

@media (max-width: 560px) {
  .topbar-note { display: none; }
  .brand-text span { display: none; }
  .brand img { height: 38px; }
  .brand-text strong { font-size: 18px; }
  .header-cta { gap: 8px; }
  .header-cta .hotline { display: none; }
  .header-cta .btn-primary { padding: 9px 14px; font-size: 11px; }
}

/* ===== Hero ===== */
.hero { position: relative; background: var(--navy-dark); overflow: hidden; color: var(--white); }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(7,20,32,.94) 22%, rgba(7,20,32,.72) 55%, rgba(7,20,32,.42) 100%);
}
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; padding: 110px 0 90px; position: relative; z-index: 1; max-width: 720px; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; border: 1px solid rgba(200,160,90,.5); padding: 8px 18px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-light); margin-bottom: 24px; }
.hero h1 { color: var(--white); font-size: clamp(32px, 4.4vw, 52px); line-height: 1.2; margin-bottom: 20px; font-weight: 600; }
.hero h1 em { font-style: normal; color: var(--gold-light); }
.hero p.lead { color: #cfd8e0; font-size: 17.5px; max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-pills { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-pill { background: rgba(255,255,255,.06); border: 1px solid rgba(200,160,90,.25); border-radius: var(--radius); padding: 16px 20px; min-width: 150px; backdrop-filter: blur(2px); }
.hero-pill strong { display: block; font-family: "Playfair Display", serif; font-size: 16px; color: var(--gold-light); font-weight: 600; }
.hero-pill span { font-size: 12.5px; color: #b9c4cd; }

/* ===== Stats bar ===== */
.stats-bar { background: var(--navy-dark); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; padding: 40px 0; }
.stat-item { text-align: center; padding: 10px 16px; border-left: 1px solid rgba(200,160,90,.2); }
.stat-item:first-child { border-left: none; }
.stat-item .num { font-family: "Playfair Display", serif; font-size: clamp(24px, 3vw, 34px); font-weight: 600; color: var(--gold-light); }
.stat-item .lbl { font-size: 12.5px; color: #aebac4; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; margin-top: 4px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 28px; } .stat-item:nth-child(3) { border-left: none; } }

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 60px; align-items: center; }
.about-art { position: relative; }
.about-art .frame { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.about-art img { width: 100%; height: 480px; object-fit: cover; }
.about-art .frame-tag { position: absolute; left: -1px; bottom: 22px; background: var(--navy-dark); color: var(--gold-light); padding: 14px 26px; font-family: "Playfair Display", serif; font-size: 15px; border-right: 3px solid var(--gold); box-shadow: var(--shadow-sm); }
.about-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 28px 0; }
.check-item { display: flex; gap: 12px; align-items: flex-start; font-weight: 600; font-size: 14.5px; color: var(--ink); }
.check-item .dot { flex: none; width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--gold); color: var(--gold-dark); display: flex; align-items: center; justify-content: center; font-size: 12px; }

/* ===== Feature / value cards ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 992px) { .grid-3, .grid-4, .about-grid { grid-template-columns: 1fr 1fr; } .about-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .grid-3, .grid-4, .about-checks { grid-template-columns: 1fr; } }

.card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 32px 26px; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; height: 100%; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--gold); }
.card .ic { width: 50px; height: 50px; border: 1px solid var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--gold-dark); font-size: 20px; }
.card h3 { font-size: 18.5px; margin-bottom: 10px; }
.card p { font-size: 14.5px; margin-bottom: 0; }

.bg-tint { background: var(--gray-100); }
.bg-navy { background: var(--navy-dark); color: #cfd8e0; }
.bg-navy h2, .bg-navy h3, .bg-navy h4 { color: var(--white); }
.bg-navy p { color: #b9c4cd; }

/* ===== Process ===== */
.process-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
@media (max-width: 992px) { .process-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-row { grid-template-columns: 1fr; } }
.process-item { position: relative; background: var(--white); border-radius: var(--radius); padding: 30px 22px 22px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200); }
.process-item .step-no { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--gold); color: var(--gold-dark); font-family: "Playfair Display", serif; font-weight: 600; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.process-item h4 { font-size: 15.5px; margin-bottom: 8px; font-family: "Be Vietnam Pro", sans-serif; font-weight: 700; }
.process-item p { font-size: 13.5px; margin: 0; }

/* ===== Products ===== */
.product-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; }
.product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.product-media { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-body { padding: 22px; }
.product-body .tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--gold-dark); }
.product-body h3 { font-size: 18px; margin: 8px 0 8px; }
.product-body p { font-size: 14px; margin-bottom: 16px; }
.product-body .price { font-weight: 700; color: var(--navy); font-size: 14px; letter-spacing: .02em; padding-top: 14px; border-top: 1px solid var(--gray-200); display: block; }

/* ===== Projects ===== */
.project-card { border-radius: var(--radius); overflow: hidden; position: relative; box-shadow: var(--shadow-sm); border: 1px solid var(--gray-200); background: var(--white); }
.project-media { aspect-ratio: 16/10; position: relative; overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover .project-media img { transform: scale(1.06); }
.project-media .badge { position: absolute; top: 16px; left: 16px; background: rgba(7,20,32,.85); color: var(--gold-light); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 7px 14px; }
.project-body { padding: 20px 22px; }
.project-body h3 { font-size: 17px; margin-bottom: 8px; }
.project-body .meta { font-size: 13px; color: var(--gray-500); display: flex; gap: 14px; flex-wrap: wrap; }

.placeholder-note { font-size: 12px; color: var(--gold-dark); background: #fbf4e6; border: 1px dashed var(--gold); padding: 4px 12px; border-radius: 999px; display: inline-block; margin-top: 12px; letter-spacing: .02em; }

/* ===== News ===== */
.news-card { background: var(--white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); box-shadow: var(--shadow-sm); }
.news-media { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--gray-100), var(--gray-200)); display: flex; align-items: center; justify-content: center; }
.news-media svg { width: 40%; }
.news-body { padding: 20px 22px; }
.news-date { font-size: 12px; color: var(--gold-dark); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 8px; }
.news-body h3 { font-size: 16.5px; margin-bottom: 10px; }
.news-body p { font-size: 13.5px; }

/* ===== CTA band ===== */
.cta-band { position: relative; border-radius: var(--radius); padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; overflow: hidden; color: var(--white); background: var(--navy-dark); }
.cta-band .cta-bg { position: absolute; inset: 0; }
.cta-band .cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-band .cta-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, rgba(7,20,32,.92), rgba(7,20,32,.55)); }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: var(--white); margin-bottom: 10px; font-size: 28px; }
.cta-band p { color: #cfd8e0; margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== Contact form ===== */
.form-card { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--gray-200); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 8px; color: var(--navy); letter-spacing: .04em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 14px; border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14.5px; color: var(--ink); background: var(--gray-100);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--gold); background: var(--white); }
.form-msg { display: none; margin-top: 16px; padding: 14px 18px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; }
.form-msg.show { display: block; }
.form-msg.ok { background: #eef4ee; color: #3d6b4f; border: 1px solid #cfe3d4; }

/* ===== Info strip (contact page) ===== */
.info-card { display: flex; gap: 18px; align-items: flex-start; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow-sm); }
.info-card .ic { flex: none; width: 46px; height: 46px; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold-dark); display: flex; align-items: center; justify-content: center; }
.info-card h4 { font-size: 15px; margin-bottom: 6px; font-family: "Be Vietnam Pro", sans-serif; font-weight: 700; }
.info-card p { font-size: 14px; margin: 0; }
.map-frame { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); background: var(--gray-100); aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; color: var(--gray-500); font-size: 14px; text-align: center; padding: 20px; }

/* ===== Breadcrumb / page header ===== */
.page-hero { position: relative; background: var(--navy-dark); color: var(--white); padding: 56px 0; overflow: hidden; }
.page-hero .ph-bg { position: absolute; inset: 0; }
.page-hero .ph-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .28; }
.page-hero .ph-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(7,20,32,.96), rgba(7,20,32,.75)); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--white); margin-bottom: 10px; font-size: clamp(26px, 3.2vw, 36px); }
.breadcrumb { font-size: 13px; color: #b9c4cd; display: flex; gap: 8px; align-items: center; letter-spacing: .03em; }
.breadcrumb a:hover { color: var(--gold); }

/* ===== Timeline (about page) ===== */
.timeline { position: relative; padding-left: 30px; border-left: 1px solid var(--gray-200); }
.timeline-item { position: relative; padding-bottom: 34px; }
.timeline-item::before { content: ""; position: absolute; left: -35px; top: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px #fbf4e6; }
.timeline-item strong { font-family: "Playfair Display", serif; color: var(--navy); display: block; margin-bottom: 6px; font-size: 17px; font-weight: 600; }
.timeline-item p { margin: 0; font-size: 14.5px; }

/* ===== Team ===== */
.team-card { text-align: center; }
.team-avatar { width: 92px; height: 92px; border-radius: 50%; margin: 0 auto 16px; border: 1px solid var(--gold); display: flex; align-items: center; justify-content: center; color: var(--gold-dark); font-family: "Playfair Display", serif; font-weight: 600; font-size: 26px; }
.team-card h4 { font-size: 15.5px; margin-bottom: 2px; font-family: "Be Vietnam Pro", sans-serif; font-weight: 700; }
.team-card span { font-size: 13px; color: var(--gray-500); }

/* ===== Footer ===== */
.site-footer { background: var(--navy-dark); color: #aebac4; padding: 64px 0 0; border-top: 3px solid var(--gold); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand img { height: 42px; }
.footer-brand strong { color: var(--white); font-size: 20px; font-family: "Playfair Display", serif; font-weight: 600; }
.site-footer h4 { color: var(--gold-light); font-size: 13px; margin-bottom: 18px; text-transform: uppercase; letter-spacing: .12em; font-family: "Be Vietnam Pro", sans-serif; font-weight: 700; }
.site-footer p { color: #94a1ac; font-size: 14px; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: #c3ccd3; }
.footer-links a:hover { color: var(--gold); }
.footer-contact li { display: flex; gap: 10px; margin-bottom: 15px; font-size: 14px; align-items: flex-start; color: #c3ccd3; }
.footer-contact .ico { color: var(--gold); flex: none; margin-top: 2px; }
.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-row a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(200,160,90,.4); display: flex; align-items: center; justify-content: center; color: #c3ccd3; }
.social-row a:hover { background: var(--gold); border-color: var(--gold); color: var(--navy-dark); }
.footer-bottom { border-top: 1px solid rgba(200,160,90,.15); padding: 20px 0; text-align: center; font-size: 12.5px; color: #7c8993; }
.footer-bottom strong { color: #c3ccd3; }

/* Floating contact buttons */
.floating-contact { position: fixed; right: 22px; bottom: 22px; display: flex; flex-direction: column; gap: 12px; z-index: 90; }
.floating-contact a { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 20px rgba(0,0,0,.25); color: #fff; }
.fc-phone { background: var(--green); animation: pulse 2s infinite; }
.fc-zalo { background: #0068ff; }
.fc-messenger { background: var(--navy); }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(76,140,107,.5);} 70% { box-shadow: 0 0 0 14px rgba(76,140,107,0);} 100% { box-shadow: 0 0 0 0 rgba(76,140,107,0);} }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

.text-center { text-align: center; }
.mt-24 { margin-top: 24px; }

/* ===== Project gallery (case study) ===== */
.project-gallery { display: grid; grid-template-columns: 1.5fr 1fr 1fr; grid-template-rows: repeat(2, 200px); gap: 14px; margin-bottom: 36px; }
.project-gallery .g-main { grid-column: 1; grid-row: 1 / span 2; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.project-gallery .g-item { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.project-gallery img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.project-gallery a:hover img { transform: scale(1.05); }
@media (max-width: 900px) {
  .project-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 240px repeat(2, 140px); }
  .project-gallery .g-main { grid-column: 1 / span 2; grid-row: 1; }
}
@media (max-width: 560px) {
  .project-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 200px repeat(2, 110px); }
}

.project-facts { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px 40px; box-shadow: var(--shadow-sm); }
@media (max-width: 640px) { .project-facts { grid-template-columns: 1fr; } }
.project-facts .pf-item { display: flex; gap: 14px; align-items: flex-start; }
.project-facts .pf-item .ic { flex: none; width: 40px; height: 40px; border: 1px solid var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--gold-dark); }
.project-facts .pf-item strong { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--gray-500); margin-bottom: 3px; }
.project-facts .pf-item span { font-size: 15px; color: var(--navy-dark); font-weight: 600; }

.verified-badge { display: inline-flex; align-items: center; gap: 8px; background: #eef4ee; color: #3d6b4f; border: 1px solid #cfe3d4; padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 700; margin-bottom: 18px; }

/* ===== Savings calculator ===== */
.bg-navy-deep { background: var(--navy-dark); }
.bg-navy-deep .section-head p { color: #b9c4cd; }
.bg-navy-deep .section-head h2 { color: var(--white); }
.bg-navy-deep .section-head h2 em { color: var(--green); font-style: normal; }
.calc-card { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid rgba(200,160,90,.18); }
.calc-inputs { background: rgba(255,255,255,.04); padding: 40px; }
.calc-results { background: rgba(200,160,90,.08); padding: 40px; }
@media (max-width: 860px) { .calc-card { grid-template-columns: 1fr; } }
.calc-inputs .field { margin-bottom: 28px; }
.calc-inputs .field:last-child { margin-bottom: 0; }
.calc-inputs label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: #b9c4cd; margin-bottom: 12px; font-weight: 700; }
.calc-inputs label span { color: var(--gold-light); }
.calc-inputs input[type="text"] {
  width: 100%; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-sm);
  padding: 14px 16px; color: var(--white); font-size: 21px; font-weight: 600; font-family: "Playfair Display", serif;
}
.calc-inputs input[type="text"]:focus { outline: none; border-color: var(--gold); }
.calc-inputs input[type="range"] { width: 100%; accent-color: var(--gold); }
.calc-toggle { display: flex; gap: 10px; }
.calc-toggle-btn {
  flex: 1; padding: 13px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,.22); background: transparent;
  color: #cfd8e0; font-weight: 700; font-size: 13.5px; cursor: pointer; transition: all .2s ease; font-family: inherit;
}
.calc-toggle-btn.active { background: linear-gradient(135deg, var(--gold-light), var(--gold)); color: var(--navy-dark); border-color: transparent; }
.calc-toggle-3 .calc-toggle-btn { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 16px 8px; font-size: 12.5px; }
.calc-toggle-3 .ctb-ic { font-size: 22px; }

/* ===== Bill-tier package suggestion ===== */
.tier-select { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 36px; }
@media (max-width: 900px) { .tier-select { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .tier-select { grid-template-columns: repeat(2, 1fr); } }
.tier-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 16px 8px; border-radius: var(--radius);
  border: 1px solid var(--gray-200); background: var(--white); color: var(--navy-dark); font-weight: 700; font-size: 18px;
  font-family: "Playfair Display", serif; cursor: pointer; transition: all .2s ease;
}
.tier-btn span { font-family: "Be Vietnam Pro", sans-serif; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; color: var(--gray-500); }
.tier-btn:hover { border-color: var(--gold); }
.tier-btn.active { background: var(--navy-dark); border-color: var(--navy-dark); color: var(--gold-light); }
.tier-btn.active span { color: #b9c4cd; }
.tier-summary { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
@media (max-width: 860px) { .tier-summary { grid-template-columns: repeat(2, 1fr); } }
.ts-item { text-align: center; padding: 24px 12px; border-left: 1px solid var(--gray-200); }
.ts-item:first-child, .ts-item:nth-child(3) { border-left: none; }
@media (max-width: 860px) { .ts-item:nth-child(odd) { border-left: none; } .ts-item { border-top: 1px solid var(--gray-200); } .ts-item:nth-child(-n+2) { border-top: none; } }
.ts-item strong { display: block; font-family: "Playfair Display", serif; font-size: 22px; color: var(--gold-dark); font-weight: 600; margin-bottom: 4px; }
.ts-item span { font-size: 11.5px; color: var(--gray-500); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }

.pkg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; max-width: 860px; margin: 0 auto; }
@media (max-width: 640px) { .pkg-grid { grid-template-columns: 1fr; } }
.package-card { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.package-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.pkg-media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.pkg-media img { width: 100%; height: 100%; object-fit: cover; }
.pkg-tag { position: absolute; top: 14px; left: 14px; background: var(--navy-dark); color: var(--gold-light); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 6px 14px; border-radius: 999px; }
.pkg-tag-hybrid { background: var(--green); color: var(--white); }
.pkg-stats-overlay { position: absolute; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1fr; background: linear-gradient(0deg, rgba(7,20,32,.88), rgba(7,20,32,.1)); padding: 22px 14px 12px; }
.pkg-stats-overlay div { text-align: center; }
.pkg-stats-overlay strong { display: block; color: var(--gold-light); font-family: "Playfair Display", serif; font-size: 16px; font-weight: 600; }
.pkg-stats-overlay span { font-size: 10.5px; color: #cfd8e0; text-transform: uppercase; letter-spacing: .03em; }
.pkg-body { padding: 22px; }
.pkg-body h3 { font-size: 19px; margin-bottom: 8px; }
.pkg-body p { font-size: 13.5px; margin-bottom: 16px; }
.pkg-features { list-style: none; padding: 0; margin: 0 0 16px; display: flex; flex-direction: column; gap: 9px; }
.pkg-features li { display: flex; align-items: flex-start; gap: 8px; font-size: 12.5px; line-height: 1.5; color: var(--gray-700); }
.pkg-features .pf-ico { flex-shrink: 0; font-size: 13px; line-height: 1.5; }
.pkg-spec-row { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--gray-700); padding: 12px 0; border-top: 1px solid var(--gray-200); border-bottom: 1px solid var(--gray-200); margin-bottom: 16px; }
.pkg-spec-row strong { color: var(--navy-dark); font-family: "Playfair Display", serif; font-size: 16px; font-weight: 600; }
.pkg-price { font-size: 15px; font-weight: 700; color: var(--gold-dark); margin-bottom: 16px; }

/* ===== Article page ===== */
.article-wrap { max-width: 760px; margin: 0 auto; }
.article-meta { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; font-size: 13px; color: var(--gray-500); margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); }
.article-meta strong { color: var(--navy-dark); }
.article-body h2 { font-size: 26px; margin-top: 44px; margin-bottom: 16px; }
.article-body h3 { font-size: 19px; margin-top: 28px; margin-bottom: 12px; color: var(--navy); }
.article-body p { font-size: 16px; line-height: 1.75; color: var(--gray-700); margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 22px; }
.article-body li { font-size: 16px; line-height: 1.7; color: var(--gray-700); margin-bottom: 10px; }
.article-body strong { color: var(--navy-dark); }
.article-body a { color: var(--gold-dark); font-weight: 600; text-decoration: underline; text-decoration-color: rgba(200,160,90,.4); }
.article-figure { margin: 32px 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); }
.article-figure img { width: 100%; display: block; }
.article-figure figcaption { padding: 12px 16px; font-size: 13px; color: var(--gray-500); background: var(--gray-100); }
.article-table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; font-size: 14.5px; }
.article-table th, .article-table td { padding: 12px 14px; border: 1px solid var(--gray-200); text-align: left; }
.article-table th { background: var(--navy-dark); color: var(--gold-light); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .03em; }
.article-table tr:nth-child(even) { background: var(--gray-100); }
.article-cta { background: var(--gray-100); border: 1px solid var(--gray-200); border-radius: var(--radius); padding: 28px; margin: 36px 0; text-align: center; }
.article-cta h3 { margin-top: 0; }
.article-toc { background: var(--gray-100); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 32px; }
.article-toc strong { display: block; margin-bottom: 10px; color: var(--navy-dark); font-size: 14px; text-transform: uppercase; letter-spacing: .04em; }
.article-toc ol { margin: 0; padding-left: 20px; }
.article-toc li { font-size: 14.5px; margin-bottom: 6px; }
.article-toc a { color: var(--gray-700); text-decoration: none; }
.article-toc a:hover { color: var(--gold-dark); }
.faq-item { border-bottom: 1px solid var(--gray-200); padding: 18px 0; }
.faq-item:last-child { border-bottom: none; }
.faq-item h3 { margin: 0 0 8px; font-size: 16.5px; }
.faq-item p { margin: 0; font-size: 15px; }
.cr-item { margin-bottom: 22px; }
.cr-label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: #b9c4cd; margin-bottom: 6px; font-weight: 700; }
.cr-item strong { font-family: "Playfair Display", serif; font-size: 30px; color: var(--gold-light); font-weight: 600; }
.calc-note { font-size: 12px; color: #94a1ac; font-style: italic; margin: 16px 0 0; line-height: 1.55; }