/* ============================================================
   ALUCOVERBOND — v2 "Precision Facade" design system
   Aligned with alucosun.com aesthetic
   Palette : Navy #00233a · Green #09b157 · Stone #f4f4f2
   Type    : Montserrat (display) + Inter (body)
   ============================================================ */

:root {
  --navy:    #00233a;
  --navy-08: rgba(0,35,58,0.08);
  --navy-65: rgba(0,35,58,0.65);
  --green:   #09b157;
  --green-dk:#078044;
  --blue:    #3589c5;
  --blue-lt: rgba(53,137,197,0.12);
  --bg:      #f4f4f2;
  --white:   #ffffff;
  --gray:    #4a4a4a;
  --gray-lt: #888888;
  --border:  #d8dade;
  --sp:      8px;
}

/* ---------- reset ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', Arial, sans-serif;
  background: var(--bg);
  color: var(--gray);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; transition: color .2s; }
ul { list-style: none; }
::selection { background: var(--green); color: #fff; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

/* ---------- typography ---------- */
.label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--navy);
  text-transform: uppercase;
  margin-bottom: calc(var(--sp)*1.5);
  opacity: .45;
}
.section-pad { padding: calc(var(--sp)*12) 0; }
.section-headline {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.02;
  letter-spacing: 0;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 16px;
  color: var(--gray-lt);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.55;
}
.divider-navy {
  width: 48px; height: 3px;
  background: var(--navy);
  margin-bottom: 24px;
  opacity: .18;
}
.text-link {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  transition: color .2s;
}
.text-link:hover { color: var(--green-dk); }

/* ---------- buttons ---------- */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--green); color: var(--white);
  padding: 14px 30px; border-radius: 2px;
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  transition: background .2s, transform .15s;
  border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--green-dk); transform: translateY(-1px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--white);
  padding: 13px 29px; border-radius: 2px;
  border: 1.5px solid rgba(255,255,255,.38);
  font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
  transition: border-color .2s, background .2s;
  cursor: pointer;
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,.08); }
.btn-outline-navy {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--navy);
  padding: 13px 29px; border-radius: 2px;
  border: 1.5px solid var(--navy);
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  transition: background .2s, color .2s;
  cursor: pointer;
}
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }

/* ============================================================
   NAV
   ============================================================ */
nav#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .35s, box-shadow .35s;
}
nav#navbar.scrolled {
  background: var(--navy);
  box-shadow: 0 2px 32px rgba(0,0,0,.22);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 0 40px;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: inline-flex; align-items: center;
  height: 100%;
  padding: 0;
}
.nav-logo img {
  display: block;
  height: 32px;
  width: auto;
}
.footer-brand .nav-logo img { height: 44px; }
.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a {
  font-size: 11px; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: rgba(255,255,255,.68);
  transition: color .2s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--white); }
.nav-cta {
  color: var(--white)!important;
  padding: 8px 20px!important;
  border: 1.5px solid rgba(255,255,255,.38)!important;
  border-radius: 2px;
  transition: border-color .2s, background .2s!important;
}
.nav-cta:hover { border-color: rgba(255,255,255,.88)!important; background: rgba(255,255,255,.08)!important; }

.nav-toggle {
  display: none;
  background: none; border: 1.5px solid rgba(255,255,255,.38);
  color: var(--white); font-family: 'Inter', sans-serif;
  font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 8px 18px; border-radius: 2px; cursor: pointer;
}

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative;
  height: 100vh; min-height: 700px;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity 1.6s ease;
}
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(108deg, rgba(0,14,24,.90) 0%, rgba(0,35,58,.64) 52%, rgba(0,35,58,.22) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: 1200px; margin: 0 auto;
  padding: 72px 40px 0;
  width: 100%;
}
.hero-label {
  font-size: 10px; font-weight: 700; letter-spacing: 3.5px;
  color: rgba(255,255,255,.48); text-transform: uppercase;
  margin-bottom: 30px;
}
.hero-headline {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(44px, 5.8vw, 82px);
  font-weight: 800; line-height: .95;
  color: var(--white);
  letter-spacing: 0; text-transform: uppercase;
  margin-bottom: 32px;
  max-width: 720px;
}
.hero-headline em { font-style: normal; color: rgba(255,255,255,.45); }
.hero-sub {
  font-size: 17px; font-weight: 300; line-height: 1.55;
  color: rgba(255,255,255,.72);
  max-width: 480px;
  margin-bottom: 48px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-dots {
  position: absolute;
  right: 48px; bottom: 48px;
  z-index: 3;
  display: flex; flex-direction: column; gap: 16px;
}
.hero-dots button {
  width: 34px; height: 1px;
  background: rgba(255,255,255,.35);
  border: none; cursor: pointer;
  padding: 8px 0; background-clip: content-box;
  transition: background .4s;
}
.hero-dots button.active { background: var(--green); background-clip: content-box; }
.hero-scroll {
  position: absolute;
  bottom: 36px; left: 50%;
  transform: translateX(-50%);
  z-index: 2; text-align: center;
}
.scroll-line {
  width: 1px; height: 52px;
  background: rgba(255,255,255,.25);
  margin: 0 auto 8px;
  animation: scrollPulse 2.2s ease-in-out infinite;
}
.scroll-text {
  font-size: 9px; letter-spacing: 3px;
  color: rgba(255,255,255,.32); text-transform: uppercase;
}
@keyframes scrollPulse { 0%,100%{opacity:.25} 50%{opacity:.80} }

/* ---------- subpage hero ---------- */
.page-hero {
  position: relative;
  background: var(--navy);
  padding: 160px 0 80px;
  overflow: hidden;
}
.page-hero .ph-bg { position: absolute; inset: 0; }
.page-hero .ph-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.34; }
.page-hero .ph-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,35,58,.82), rgba(0,35,58,.5));
}
.page-hero .container { position: relative; z-index: 2; }
.breadcrumb {
  font-size: 10px; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,.45);
}
.breadcrumb a:hover { color: var(--green); }
.page-hero h1 {
  margin-top: 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800; line-height: 1;
  color: var(--white);
  letter-spacing: 0; text-transform: uppercase;
}
.page-hero .ph-sub {
  margin-top: 20px;
  font-size: 17px; font-weight: 300;
  color: rgba(255,255,255,.72);
  max-width: 540px;
}

/* ============================================================
   STATS
   ============================================================ */
#stats { background: var(--white); padding: calc(var(--sp)*2) 0; border-bottom: 1px solid var(--border); }
.stats-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 40px;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.stat-item {
  text-align: center;
  padding: calc(var(--sp)*2);
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-number {
  font-family: 'Montserrat', sans-serif;
  font-size: 46px; font-weight: 800; line-height: 1;
  color: var(--navy); letter-spacing: 0;
  margin-bottom: 4px;
}
.stat-unit { font-size: 15px; font-weight: 700; color: var(--gray-lt); }
.stat-label {
  font-size: 10px; color: var(--gray-lt);
  letter-spacing: 1px; line-height: 1.5;
  text-transform: uppercase;
}

/* ============================================================
   BRAND / INTRO
   ============================================================ */
#brand { background: var(--white); }
.brand-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.brand-headline {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(30px, 3.3vw, 46px);
  font-weight: 800; color: var(--navy);
  line-height: 1.02; text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 28px;
}
.brand-body {
  font-size: 16px; line-height: 1.55;
  color: var(--gray);
  margin-bottom: 16px;
}
.brand-quote {
  margin-top: 32px; padding-left: 20px;
  border-left: 3px solid rgba(0,35,58,.20);
  font-size: 16px; font-weight: 500; font-style: italic;
  color: var(--navy); line-height: 1.55;
  opacity: .60;
}
.brand-visual {
  position: relative; border-radius: 2px; overflow: hidden;
}
.brand-visual img { width: 100%; height: 480px; object-fit: cover; }
.brand-visual-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,35,58,.65) 0%, transparent 55%);
}
.brand-visual-stat {
  position: absolute; bottom: 28px; left: 28px;
  color: var(--white);
}
.brand-visual-stat .big {
  font-family: 'Montserrat', sans-serif;
  font-size: 56px; font-weight: 800; line-height: 1;
}
.brand-visual-stat .sm {
  font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; opacity: .55;
}

/* ============================================================
   PRODUCTS
   ============================================================ */
#products { background: var(--bg); }
.products-header { text-align: center; margin-bottom: calc(var(--sp)*7); }
.products-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 20px; align-items: stretch;
}
.card-top { height: 28px; display: flex; align-items: center; margin-bottom: 14px; }
.featured-label {
  font-size: 9px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: #4ade80;
  background: rgba(9,177,87,.15);
  padding: 4px 12px; border-radius: 2px;
  border: 1px solid rgba(9,177,87,.25);
}
.badge-row { margin-bottom: 16px; }
.fire-badge {
  display: inline-block;
  font-size: 9px; font-weight: 700; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 5px 10px;
  border-radius: 2px; white-space: nowrap;
}
.fire-a2 { background: #cce8ff; color: #00508a; }
.fire-b1 { background: #c8f5db; color: #065c2e; }
.fire-pe { background: #fff3d6; color: #8a6500; }
.product-card {
  background: var(--white); border-radius: 2px;
  border: 1px solid var(--border);
  transition: box-shadow .25s, transform .25s;
  display: flex; flex-direction: column; overflow: hidden;
}
.product-card:hover {
  box-shadow: 0 16px 48px rgba(0,35,58,.10);
  transform: translateY(-4px);
}
.card-body { padding: 24px 24px 28px; }
.product-card-img {
  width: 100%; height: 200px;
  overflow: hidden; position: relative;
}
.product-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px; font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
  line-height: 1.15;
}
.product-name a { color: inherit; }
.product-desc {
  font-size: 14px; line-height: 1.5;
  color: var(--gray-lt);
  margin-bottom: 18px;
}
.product-link {
  font-size: 11px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--green);
  transition: color .2s, opacity .2s;
}
.product-link:hover { color: var(--green-dk); }

/* ---------- product detail sections ---------- */
.prod-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: calc(var(--sp)*8) 0;
}
.prod-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
}
.prod-detail-grid:nth-child(even) .prod-detail-media { order: 2; }
.prod-detail-media img {
  width: 100%; height: 400px; object-fit: cover;
  border-radius: 2px;
}
.prod-detail-media .fire-badge { margin-bottom: 16px; }
.prod-detail-copy h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(25px, 2.7vw, 36px);
  font-weight: 800; color: var(--navy);
  text-transform: uppercase; letter-spacing: 0;
  margin-bottom: 20px;
}
.prod-detail-copy p {
  font-size: 16px; line-height: 1.55;
  color: var(--gray);
  margin-bottom: 16px;
}

/* ============================================================
   VALUES
   ============================================================ */
#values { background: var(--white); }
.values-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.value-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 2px; padding: 40px 32px;
  transition: box-shadow .25s, transform .25s;
}
.value-card:hover {
  box-shadow: 0 8px 32px rgba(0,35,58,.08);
  transform: translateY(-2px);
}
.value-card .icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: var(--navy-08); border-radius: 2px;
  margin-bottom: 24px;
}
.value-card .icon span {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px; font-weight: 800;
  color: var(--navy);
}
.value-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px; font-weight: 700;
  color: var(--navy); text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 12px;
}
.value-card p {
  font-size: 15px; line-height: 1.55;
  color: var(--gray-lt);
}

/* ============================================================
   PROJECTS
   ============================================================ */
#projects { background: var(--bg); }
.projects-grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.project-card {
  position: relative; overflow: hidden;
  aspect-ratio: 3 / 4.4;
  border-radius: 2px;
}
.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.85) contrast(1.02);
  transition: transform .5s ease, filter .5s ease;
}
.project-card:hover img { transform: scale(1.06); filter: saturate(1); }
.project-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 46%, rgba(0,35,58,.82) 100%);
}
.project-card .meta {
  position: absolute; left: 20px; right: 20px; bottom: 20px;
  z-index: 2;
}
.project-card .meta .loc {
  font-size: 9px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--green);
}
.project-card .meta .name {
  margin-top: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: 20px; font-weight: 700;
  color: var(--white); line-height: 1.2;
}

/* ============================================================
   PRODUCTION LINES
   ============================================================ */
#lines { background: var(--white); }
.lines-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.line-card { display: flex; flex-direction: column; }
.line-media {
  overflow: hidden; position: relative;
  background: var(--navy);
  border-radius: 2px;
}
.line-media img {
  width: 100%; aspect-ratio: 16/9; object-fit: cover;
  transition: transform .5s ease;
}
.line-card:hover .line-media img { transform: scale(1.05); }
.line-media .num-badge {
  position: absolute; top: 0; right: 0;
  background: rgba(0,35,58,.85); color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 20px; font-weight: 800;
  padding: 8px 16px;
}
.line-card h3 {
  margin: 24px 0 12px;
  font-family: 'Montserrat', sans-serif;
  font-size: 22px; font-weight: 700;
  color: var(--navy); text-transform: uppercase;
  letter-spacing: 0;
}
.line-card p {
  font-size: 15px; line-height: 1.55;
  color: var(--gray-lt);
}

/* ============================================================
   SPEC TABLE
   ============================================================ */
.spec-table {
  width: 100%; border-collapse: collapse;
  font-size: 15px;
}
.spec-table th, .spec-table td {
  padding: 16px 20px; text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th {
  width: 38%; font-weight: 700;
  font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--navy);
}
.spec-table td { font-weight: 400; color: var(--gray); }
.spec-table tr { transition: background .2s; }
.spec-table tbody tr:hover { background: var(--navy-08); }

/* finish swatches */
.finish-strip {
  display: grid; grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.finish {
  position: relative;
  aspect-ratio: 1/1.18;
  display: flex; align-items: flex-end;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  transition: border-color .2s, transform .25s;
  text-decoration: none;
}
.finish img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.finish::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,35,58,0) 45%, rgba(0,35,58,.78) 100%);
  z-index: 1;
}
.finish span {
  position: relative; z-index: 2;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px; font-weight: 700;
  color: var(--white); text-transform: uppercase;
  letter-spacing: 1px;
}
.finish:hover { border-color: var(--navy); transform: translateY(-2px); }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: calc(var(--sp)*12) 0;
}
.cta-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 60px; flex-wrap: wrap;
}
.cta-inner h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 800; color: var(--white);
  text-transform: uppercase; letter-spacing: 0;
  line-height: 1.02;
}
.cta-inner .cta-sub {
  margin-top: 12px;
  font-size: 16px; color: rgba(255,255,255,.6);
}
.cta-actions { display: flex; flex-direction: column; gap: 14px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr;
  gap: 80px; align-items: start;
}
.contact-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.contact-item:first-child { padding-top: 0; }
.contact-item .label {
  margin-bottom: 8px;
  opacity: .45;
}
.contact-item .value {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px; font-weight: 700;
  color: var(--navy); line-height: 1.35;
}
.contact-item .value a:hover { color: var(--green); }
.qr-plate {
  margin-top: 32px;
  display: inline-flex; flex-direction: column; gap: 12px;
  background: var(--white); padding: 16px;
  border: 1px solid var(--border); border-radius: 2px;
}
.qr-plate img { width: 120px; height: 120px; }
.qr-plate span {
  font-size: 9px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray-lt); text-align: center;
}

/* form */
.form { display: flex; flex-direction: column; gap: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.form label {
  display: block; margin-bottom: 8px;
  font-size: 10px; font-weight: 700; letter-spacing: 2px;
  text-transform: uppercase; color: var(--navy); opacity: .45;
}
.form input, .form textarea {
  width: 100%; background: transparent;
  border: none; border-bottom: 1px solid var(--border);
  padding: 10px 2px 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 400; font-size: 16px;
  color: var(--navy); outline: none;
  transition: border-color .25s;
}
.form input::placeholder, .form textarea::placeholder { color: var(--gray-lt); }
.form input:focus, .form textarea:focus { border-bottom-color: var(--green); }
.form textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--gray-lt); }

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 2px; overflow: hidden;
  transition: box-shadow .25s, transform .25s;
}
.about-card:hover {
  box-shadow: 0 12px 40px rgba(0,35,58,.08);
  transform: translateY(-2px);
}
.about-card img { width: 100%; height: 240px; object-fit: cover; }
.about-card .body { padding: 28px 24px; }
.about-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px; font-weight: 700;
  color: var(--navy); text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 12px;
}
.about-card p {
  font-size: 15px; line-height: 1.55;
  color: var(--gray-lt);
}

.quality-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0 60px;
}
.quality-grid .spec-table th { width: 44%; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.5);
  padding: calc(var(--sp)*10) 0 0;
  font-size: 14px;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  padding: 0 40px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 60px; padding-bottom: 72px;
}
.footer-grid h4 {
  font-size: 10px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  max-width: 320px; line-height: 1.55;
  color: rgba(255,255,255,.45);
}
.footer-grid ul li { margin-bottom: 12px; }
.footer-grid ul a { color: rgba(255,255,255,.5); transition: color .2s; }
.footer-grid ul a:hover { color: var(--white); }
.footer-contact a { color: rgba(255,255,255,.7); }
.footer-contact a:hover { color: var(--white); }
.footer-qr {
  margin-top: 24px;
  background: var(--white); padding: 8px;
  width: 100px; height: 100px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 24px 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  font-size: 12px; letter-spacing: .06em;
  color: rgba(255,255,255,.3);
}

/* ---------- whatsapp float ---------- */
.whatsapp-float {
  position: fixed;
  right: 28px; bottom: 28px;
  z-index: 90;
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
  background: var(--green);
  border-radius: 50%;
  color: var(--white);
  transition: background .3s, transform .15s;
  box-shadow: 0 4px 24px rgba(9,177,87,.35);
}
.whatsapp-float svg { width: 26px; height: 26px; fill: currentColor; }
.whatsapp-float:hover { background: var(--green-dk); transform: translateY(-2px); }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .4s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .section-pad { padding: calc(var(--sp)*9) 0; }
  .brand-grid { gap: 50px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    background: var(--navy);
    padding: 28px 40px 34px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .brand-grid { grid-template-columns: 1fr; }
  .brand-visual img { height: 360px; }
  .values-grid { grid-template-columns: 1fr; }
  .prod-detail-grid { grid-template-columns: 1fr; gap: 30px; }
  .prod-detail-grid:nth-child(even) .prod-detail-media { order: 0; }
  .lines-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-inner { grid-template-columns: 1fr 1fr; }
  .stat-item { border-bottom: 1px solid var(--border); }
  .finish-strip { grid-template-columns: repeat(3, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .quality-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .container { padding: 0 22px; }
  .nav-inner { padding: 0 22px; }
  .form-row { grid-template-columns: 1fr; }
  .finish-strip { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .stats-inner { grid-template-columns: 1fr; }
  .stat-item { border-right: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .hero-dots { right: 20px; bottom: 28px; }
  .hero-scroll { display: none; }
}

/* ============================================================
   COLOR LIBRARY FEATURE CARD (home #lines)
   ============================================================ */
.line-card-feature {
  background: var(--navy); color: var(--white);
  padding: 36px 32px; height: 100%;
  display: flex; flex-direction: column;
}
.line-feature-num {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(56px, 7vw, 88px); font-weight: 800; line-height: 1;
  color: var(--green);
}
.line-feature-label {
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: rgba(255,255,255,.5); margin-top: 4px;
}
.line-feature-list {
  list-style: none; padding: 0; margin: 28px 0 0;
  border-top: 1px solid rgba(255,255,255,.12);
}
.line-feature-list li {
  font-size: 13px; line-height: 1.7;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.78);
}
.line-feature-list strong { color: var(--white); font-weight: 700; }
.line-card-feature .btn-outline-navy {
  display: inline-block;
  border-color: var(--green); color: var(--white);
  align-self: flex-start;
}
.line-card-feature .btn-outline-navy:hover {
  background: var(--green); color: var(--navy);
  border-color: var(--green);
}

/* ============================================================
   BLOG & FAQ
   ============================================================ */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 40px;
}
.blog-card {
  background: var(--white);
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: transform .35s, box-shadow .35s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 18px 48px rgba(0,35,58,.10); }
.blog-card-media {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg);
}
.blog-card-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s;
}
.blog-card:hover .blog-card-media img { transform: scale(1.05); }
.blog-card-tag {
  position: absolute; top: 16px; left: 16px;
  background: var(--white); color: var(--navy);
  padding: 6px 14px; font-size: 10px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
}
.blog-card-body { padding: 28px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.blog-card-date {
  font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--gray-lt); margin-bottom: 8px;
}
.blog-card-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 19px; font-weight: 700; line-height: 1.35;
  color: var(--navy); margin-bottom: 12px;
}
.blog-card-excerpt {
  font-size: 14px; line-height: 1.6; color: rgba(0,35,58,.6);
  flex: 1;
}
.blog-card-cta {
  margin-top: 16px;
  font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  color: var(--green);
}

/* Blog single (article) */
.article {
  max-width: 760px; margin: 0 auto;
}
.article-hero {
  width: 100%; aspect-ratio: 16/9;
  overflow: hidden; margin-bottom: calc(var(--sp)*7);
  background: var(--bg);
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; }
.article-meta {
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray-lt);
  margin-bottom: 16px;
}
.article h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(30px, 4vw, 48px); font-weight: 800; line-height: 1.2;
  color: var(--navy); margin-bottom: 24px; letter-spacing: 0;
}
.article p { font-size: 16px; line-height: 1.85; margin-bottom: 22px; color: rgba(0,35,58,.78); }
.article h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(20px, 2.4vw, 28px); font-weight: 700;
  color: var(--navy); margin: 40px 0 16px; letter-spacing: 0;
}
.article h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px; font-weight: 700;
  color: var(--navy); margin: 28px 0 12px;
}
.article ul, .article ol { margin: 0 0 24px 22px; line-height: 1.8; color: rgba(0,35,58,.78); }
.article li { margin-bottom: 6px; }
.article blockquote {
  border-left: 3px solid var(--green);
  padding: 4px 0 4px 24px;
  margin: 28px 0;
  font-size: 17px; line-height: 1.7;
  color: var(--navy); font-style: italic;
}
.article-cta {
  background: var(--bg); padding: 36px; margin-top: 48px;
  text-align: center;
}
.article-cta p { margin-bottom: 18px; font-size: 15px; }
.article-cta .btn-primary { display: inline-block; }

/* FAQ */
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.faq-item summary {
  list-style: none; cursor: pointer;
  padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 17px; font-weight: 600; line-height: 1.4;
  color: var(--navy);
  transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--green); }
.faq-item summary::after {
  content: '+';
  font-size: 22px; font-weight: 400; line-height: 1;
  color: var(--green); margin-left: 24px;
  transition: transform .3s;
  font-family: 'Inter', sans-serif;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item-body {
  padding: 0 0 28px;
  font-size: 15px; line-height: 1.75;
  color: rgba(0,35,58,.72);
  max-width: 720px;
}
.faq-item-body p { margin-bottom: 12px; }
.faq-item-body ul { margin: 8px 0 16px 22px; }
.faq-cats {
  display: flex; gap: 12px; flex-wrap: wrap;
  justify-content: center;
  margin: 32px 0 48px;
}
.faq-cats a {
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 10px 20px; border: 1.5px solid var(--border);
  color: var(--navy); text-decoration: none;
  transition: all .2s;
}
.faq-cats a:hover { background: var(--navy); color: var(--white); border-color: var(--navy); }

/* responsive */
@media (max-width: 900px) {
  .blog-grid { grid-template-columns: 1fr; }
  .line-card-feature { padding: 28px 24px; }
}