/* LN Aluminium Solutions — modern, minimal, metal & glass */
:root {
  --bg: #f3f4f6;
  --paper: #ffffff;
  --ink: #0f1216;
  --muted: #5b636d;
  --line: #dde1e6;
  --dark: #0f1216;
  --dark-2: #171b21;
  --steel-1: #eef1f4;
  --steel-2: #b8c1ca;
  --steel-3: #7f8a95;
  --glass: rgba(140, 196, 238, 0.28);
  --accent: #2563eb;
  --accent-2: #38bdf8;
  --display: 'Space Grotesk', system-ui, sans-serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --wrap: min(1220px, calc(100vw - 48px));
  --radius: 22px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.02em; line-height: 1.05; margin: 0; }
h2 { font-size: clamp(34px, 5vw, 64px); font-weight: 600; }
h3 { font-size: 22px; font-weight: 600; }
p { margin: 0; }
.wrap { width: var(--wrap); margin: 0 auto; }
.narrow { width: min(820px, calc(100vw - 48px)); }
section { padding: clamp(80px, 11vw, 150px) 0; position: relative; }
.dark { background: var(--dark); color: #e9edf1; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 12px/1 var(--sans); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 22px;
}
.eyebrow.light { color: #8f9aa6; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.2); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 9px rgba(56, 189, 248, 0); } }
.muted { color: var(--muted); }

/* ── progress + cursor ── */
.progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 100; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform-origin: 0 50%; transform: scaleX(0); }
.cursor { position: fixed; left: 0; top: 0; width: 34px; height: 34px; border: 1.5px solid rgba(15, 18, 22, 0.55); border-radius: 50%; pointer-events: none; z-index: 99; transform: translate(-100px, -100px); transition: width 0.25s, height 0.25s, background 0.25s, border-color 0.25s; mix-blend-mode: difference; border-color: #fff; }
.cursor.big { width: 74px; height: 74px; background: rgba(255, 255, 255, 0.9); }
@media (hover: none) { .cursor { display: none; } }

/* ── nav ── */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 50;
  width: min(1220px, calc(100vw - 28px));
  display: flex; align-items: center; gap: 20px;
  padding: 10px 10px 10px 18px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.72); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.8); box-shadow: 0 10px 40px rgba(15, 18, 22, 0.08);
  transition: transform 0.4s, background 0.3s;
}
.nav.hide { transform: translate(-50%, -120%); }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 500 16px/1 var(--display); white-space: nowrap; }
.brand b { font-weight: 700; }
.nav nav { display: flex; gap: 6px; margin-left: auto; }
.nav nav a { text-decoration: none; padding: 9px 14px; border-radius: 999px; font: 500 14px/1 var(--sans); color: #333a42; transition: background 0.2s; }
.nav nav a:hover { background: rgba(15, 18, 22, 0.06); }
.menu { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 50%; border: 0; background: var(--ink); cursor: pointer; position: relative; }
.menu i { position: absolute; left: 13px; right: 13px; height: 2px; background: #fff; transition: transform 0.3s; }
.menu i:first-child { top: 18px; } .menu i:last-child { top: 25px; }
.menu[aria-expanded='true'] i:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu[aria-expanded='true'] i:last-child { transform: translateY(-3.5px) rotate(-45deg); }
.drawer { position: fixed; inset: 0; z-index: 45; background: var(--dark); color: #fff; display: flex; flex-direction: column; justify-content: center; padding: 90px 32px 40px; gap: 6px; clip-path: circle(0% at calc(100% - 46px) 46px); transition: clip-path 0.6s cubic-bezier(0.7, 0, 0.2, 1); }
.drawer.open { clip-path: circle(150% at calc(100% - 46px) 46px); }
.drawer a { font: 600 34px/1.2 var(--display); text-decoration: none; }
.drawer a.sub { font: 500 18px/1.6 var(--sans); color: #9aa5b1; }

/* ── buttons ── */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; height: 54px; padding: 0 26px; border-radius: 999px; text-decoration: none; font: 600 15px/1 var(--sans); border: 0; cursor: pointer; overflow: hidden; isolation: isolate; }
.btn span { position: relative; z-index: 1; }
.btn::before { content: ''; position: absolute; inset: 0; border-radius: inherit; transform: translateY(101%); transition: transform 0.45s cubic-bezier(0.7, 0, 0.2, 1); z-index: 0; }
.btn:hover::before { transform: none; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark::before { background: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px rgba(15, 18, 22, 0.2); }
.btn-ghost::before { background: var(--ink); }
.btn-ghost:hover { color: #fff; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light::before { background: var(--accent-2); }
.btn-sm { height: 42px; padding: 0 18px; font-size: 14px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* ── hero ── */
.hero { padding: 150px 0 0; overflow: hidden; background: radial-gradient(1200px 600px at 80% 10%, #e3ecf8 0%, transparent 60%), var(--bg); }
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
h1 { font-size: clamp(46px, 7.4vw, 104px); font-weight: 600; letter-spacing: -0.035em; line-height: 0.98; }
h1 em { font-style: normal; background: linear-gradient(100deg, #6b7783, #c9d1d9 35%, #5a6570 55%, #aeb8c2 80%); -webkit-background-clip: text; background-clip: text; color: transparent; background-size: 200% 100%; animation: metal 6s linear infinite; }
@keyframes metal { to { background-position: -200% 0; } }
.lead { font-size: clamp(17px, 1.5vw, 20px); color: var(--muted); max-width: 560px; margin-top: 26px; }
.hero-points { list-style: none; padding: 0; margin: 34px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: #3c444d; font-size: 14px; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* 3D window */
.hero-visual { perspective: 1400px; height: min(620px, 70vw); display: grid; place-items: center; }
.window3d { position: relative; width: min(440px, 78vw); aspect-ratio: 4 / 5; transform-style: preserve-3d; transform: rotateY(-18deg) rotateX(6deg); transition: transform 0.2s ease-out; }
.frame-outer { position: absolute; inset: 0; border-radius: 14px; padding: 22px; transform: translateZ(30px);
  background: linear-gradient(115deg, #f3f6f8 0%, #a9b3bd 18%, #eef2f5 32%, #8d98a3 50%, #e8ecf0 66%, #9aa5b0 84%, #f1f4f7 100%);
  box-shadow: 0 50px 90px -30px rgba(15, 18, 22, 0.45), inset 0 0 0 1px rgba(255, 255, 255, 0.7), inset 0 2px 0 rgba(255, 255, 255, 0.9); }
.frame-inner { position: relative; height: 100%; border-radius: 6px; background: linear-gradient(180deg, #7d8893, #b6bfc8); padding: 10px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; box-shadow: inset 0 4px 10px rgba(0, 0, 0, 0.35); }
.pane { position: relative; overflow: hidden; border-radius: 3px; border: 8px solid #c9d1d8; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.6), 0 6px 18px rgba(0, 0, 0, 0.15);
  background: linear-gradient(160deg, rgba(190, 225, 250, 0.75), rgba(120, 175, 220, 0.45) 45%, rgba(170, 210, 240, 0.65)); backdrop-filter: blur(2px); }
.pane-a { transform: translateZ(8px); }
.pane-b { transform: translateZ(16px); }
.glint { position: absolute; top: -20%; left: -60%; width: 40%; height: 140%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85), transparent); transform: skewX(-18deg); animation: glint 4.5s ease-in-out infinite; }
.pane-b .glint { animation-delay: 0.35s; }
@keyframes glint { 0%, 55% { left: -60%; } 85%, 100% { left: 140%; } }
.tag { position: absolute; padding: 8px 14px; border-radius: 999px; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(8px); font: 600 12px/1 var(--sans); box-shadow: 0 10px 30px rgba(15, 18, 22, 0.12); white-space: nowrap; }
.tag::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: 1px; }
.t1 { top: 8%; left: -16%; transform: translateZ(90px); }
.t2 { top: 46%; right: -18%; transform: translateZ(120px); }
.t3 { bottom: 6%; left: -8%; transform: translateZ(70px); }

/* marquee */
.marquee { margin-top: 90px; border-block: 1px solid var(--line); overflow: hidden; background: var(--paper); }
.marquee .track { display: flex; width: max-content; gap: 28px; padding: 22px 0; animation: marquee 38s linear infinite; }
.marquee span { font: 500 clamp(20px, 2.4vw, 30px)/1 var(--display); white-space: nowrap; }
.marquee b { color: var(--accent); font-size: 18px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── services: stacking cards ── */
.stack { margin-top: 60px; display: grid; gap: 28px; }
.card { position: sticky; top: calc(100px + var(--i) * 18px); display: grid; grid-template-columns: 1.05fr 1fr; gap: 30px; align-items: center; padding: clamp(28px, 4vw, 54px); border-radius: var(--radius); background: var(--paper); border: 1px solid var(--line); box-shadow: 0 30px 60px -40px rgba(15, 18, 22, 0.35); min-height: 440px; transform-origin: 50% 0; }
.card:nth-child(even) { background: linear-gradient(160deg, #ffffff, #eef2f6); }
.num { font: 600 14px/1 var(--display); color: var(--accent); }
.card h3 { font-size: clamp(30px, 3.6vw, 48px); margin: 14px 0 14px; }
.card p { color: var(--muted); font-size: 17px; max-width: 460px; }
.card ul { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
.card li { font-size: 15px; display: flex; gap: 8px; }
.card li::before { content: '—'; color: var(--steel-3); }
.link { font: 600 15px/1 var(--sans); text-decoration: none; display: inline-flex; gap: 8px; padding-bottom: 4px; border-bottom: 1.5px solid currentColor; }
.link span { transition: transform 0.3s; }
.link:hover span { transform: translateX(6px); }
.card-art { aspect-ratio: 6 / 5; border-radius: 18px; background: radial-gradient(circle at 30% 20%, #ffffff, #e3e8ee 70%); display: grid; place-items: center; padding: 24px; transform-style: preserve-3d; transition: transform 0.25s ease-out; box-shadow: inset 0 0 0 1px rgba(15, 18, 22, 0.05); }
.card-art.big { aspect-ratio: 1; }
.art { width: 100%; height: auto; overflow: visible; }

/* art animations */
.art-frame .slide-b { animation: slide 5s ease-in-out infinite; }
@keyframes slide { 0%, 20% { transform: translateX(0); } 50%, 70% { transform: translateX(-80px); } }
.art-frame .shine { animation: blink 5s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 0.2; } 50% { opacity: 0.9; } }
.art-acp .panel { fill: #c7cfd7; stroke: #fff; stroke-width: 2; animation: acp 4s ease-in-out infinite; animation-delay: var(--d); }
@keyframes acp { 0%, 100% { fill: #c7cfd7; } 40% { fill: #2563eb; } 60% { fill: #9fb1c4; } }
.art-glass .sweep { animation: sweep 3.6s ease-in-out infinite; }
@keyframes sweep { 0%, 30% { transform: translateX(0) skewX(-20deg); } 80%, 100% { transform: translateX(320px) skewX(-20deg); } }
.art-part .draw { stroke-dasharray: 400; stroke-dashoffset: 400; animation: draw 5s ease-in-out infinite; }
@keyframes draw { 0% { stroke-dashoffset: 400; } 45%, 100% { stroke-dashoffset: 0; } }
.art-part .door { transform-box: fill-box; transform-origin: left; animation: door 5s ease-in-out infinite; }
@keyframes door { 0%, 50% { transform: scaleX(1); } 70%, 85% { transform: scaleX(0.35); } 100% { transform: scaleX(1); } }

/* ── process ── */
.steps { list-style: none; padding: 0; margin: 70px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; position: relative; }
.steps-line { position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: #2a3038; }
.steps-line i { display: block; height: 100%; width: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transform-origin: 0 50%; transform: scaleX(0); }
.step { position: relative; }
.step span { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--dark-2); border: 2px solid #2a3038; font: 600 18px/1 var(--display); margin-bottom: 26px; position: relative; transition: background 0.4s, border-color 0.4s; }
.step.on span { background: var(--accent); border-color: var(--accent); }
.step h3 { font-size: 22px; margin-bottom: 10px; }
.step p { color: #9aa5b1; }

/* ── why ── */
.why-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.why-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.why-card { padding: 28px; border-radius: 18px; background: var(--paper); border: 1px solid var(--line); transition: transform 0.35s, box-shadow 0.35s; }
.why-card:hover { transform: translateY(-6px); box-shadow: 0 26px 50px -30px rgba(15, 18, 22, 0.4); }
.why-card h3 { font-size: 20px; margin-bottom: 8px; }
.why-card p { color: var(--muted); font-size: 15px; }

/* ── visit / map ── */
.visit { background: var(--paper); border-block: 1px solid var(--line); }
.visit-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; align-items: center; }
address { font-style: normal; font-size: 19px; line-height: 1.55; margin-top: 22px; max-width: 460px; }
.visit-facts { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.visit-facts li { display: flex; gap: 14px; font-size: 15px; }
.visit-facts span { width: 120px; color: var(--muted); }
.areas { margin-top: 26px; color: var(--muted); font-size: 14px; max-width: 480px; }
.map { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; box-shadow: 0 30px 70px -40px rgba(15, 18, 22, 0.5); border: 1px solid var(--line); background: #e9edf1; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.4) contrast(1.05); transition: filter 0.4s; }
.map:hover iframe { filter: none; }

/* ── faq ── */
.faq { margin-top: 40px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; padding: 26px 0; font: 500 clamp(18px, 2vw, 22px)/1.3 var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary i { flex: none; width: 30px; height: 30px; border-radius: 50%; border: 1.5px solid var(--line); position: relative; transition: transform 0.35s, background 0.3s; }
.faq summary i::before, .faq summary i::after { content: ''; position: absolute; left: 8px; right: 8px; top: 13px; height: 1.5px; background: var(--ink); }
.faq summary i::after { transform: rotate(90deg); transition: transform 0.35s; }
.faq details[open] summary i { background: var(--ink); }
.faq details[open] summary i::before, .faq details[open] summary i::after { background: #fff; }
.faq details[open] summary i::after { transform: rotate(0); }
.faq details p { padding: 0 50px 26px 0; color: var(--muted); font-size: 16px; }

/* ── contact ── */
.contact h2 { max-width: 900px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 60px; }
.phones { display: grid; gap: 14px; align-content: start; }
.phone { display: flex; flex-direction: column; gap: 6px; padding: 26px 28px; border-radius: 18px; text-decoration: none; background: var(--dark-2); border: 1px solid #262c34; transition: background 0.35s, border-color 0.35s; }
.phone small { color: #8f9aa6; font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; }
.phone span { font: 600 clamp(26px, 3vw, 40px)/1.1 var(--display); }
.phone:hover { background: var(--accent); border-color: var(--accent); }
.phone.wa:hover { background: #16a34a; border-color: #16a34a; }
.enquiry { display: grid; gap: 14px; padding: 30px; border-radius: 18px; background: var(--dark-2); border: 1px solid #262c34; }
.enquiry label { display: grid; gap: 8px; font-size: 13px; color: #9aa5b1; }
.enquiry input, .enquiry select, .enquiry textarea { font: 400 16px/1.4 var(--sans); color: #fff; background: #0f1216; border: 1px solid #2a3038; border-radius: 12px; padding: 13px 14px; outline: 0; transition: border-color 0.2s; resize: vertical; }
.enquiry input:focus, .enquiry select:focus, .enquiry textarea:focus { border-color: var(--accent-2); }

/* ── service pages ── */
.page-hero { padding: 150px 0 60px; background: radial-gradient(1000px 500px at 85% 0%, #e3ecf8, transparent 60%), var(--bg); }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 26px; }
.crumbs a { text-decoration: none; }
.intro { font: 400 clamp(20px, 2.2vw, 28px)/1.5 var(--display); letter-spacing: -0.01em; }
.detail .wrap + .wrap { margin-top: 90px; }
.items { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.item { padding: 30px; border-radius: 18px; background: var(--paper); border: 1px solid var(--line); transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s; }
.item:hover { transform: translateY(-6px); border-color: transparent; box-shadow: 0 30px 60px -36px rgba(37, 99, 235, 0.55); }
.item span { font: 600 13px/1 var(--display); color: var(--accent); }
.item h3 { margin: 14px 0 10px; font-size: 21px; }
.item p { color: var(--muted); font-size: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chips span { padding: 10px 16px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 14px; }
.more-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 10px; }
.more-card { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 18px; padding: 18px; border-radius: 18px; text-decoration: none; background: var(--paper); border: 1px solid var(--line); transition: transform 0.3s; }
.more-card:hover { transform: translateY(-4px); }
.more-card .mini { width: 90px; aspect-ratio: 6 / 5; border-radius: 12px; background: #eef1f5; display: grid; place-items: center; padding: 8px; }
.more-card h3 { font-size: 18px; }

/* ── footer ── */
.footer { background: #0b0d10; color: #c9d1d9; padding: 80px 0 30px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1fr; gap: 40px; }
.foot p { color: #8f9aa6; margin-top: 16px; max-width: 280px; }
.foot h4 { font: 600 12px/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; color: #6f7a86; margin: 0 0 16px; }
.foot a, .foot .muted { display: block; text-decoration: none; margin-bottom: 10px; font-size: 15px; color: #c9d1d9; }
.foot .muted { color: #8f9aa6; }
.foot a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 24px; border-top: 1px solid #1d2229; font-size: 13px; color: #6f7a86; flex-wrap: wrap; }

.wa-float { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; background: #22c55e; color: #fff; box-shadow: 0 14px 30px -8px rgba(34, 197, 94, 0.6); transition: transform 0.3s; }
.wa-float:hover { transform: scale(1.08) rotate(-6deg); }

/* split text helpers */
.line-mask { overflow: hidden; display: block; padding-bottom: 0.06em; }

/* ── responsive ── */
@media (max-width: 980px) {
  .hero-grid, .card, .why-grid, .contact-grid, .visit-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 460px; }
  .card { position: relative; top: auto; min-height: 0; }
  .steps { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .steps-line { display: none; }
  .items, .more-grid { grid-template-columns: 1fr 1fr; }
  .foot { grid-template-columns: 1fr 1fr; }
  .nav nav { display: none; }
  .nav .btn-sm { margin-left: auto; }
  .menu { display: block; margin-left: 0; }
}
@media (max-width: 600px) {
  :root { --wrap: calc(100vw - 32px); }
  .narrow { width: calc(100vw - 32px); }
  .hero { padding-top: 120px; }
  .hero-visual { height: 380px; }
  .t1 { left: -4%; } .t2 { right: -4%; } .t3 { left: 0; }
  .why-cards, .items, .more-grid, .steps, .foot { grid-template-columns: 1fr; }
  .card ul { grid-template-columns: 1fr; }
  .nav .btn-sm { display: none; }
  .menu { margin-left: auto; }
  .brand span { font-size: 15px; }
  .btn { height: 50px; padding: 0 20px; }
  .faq details p { padding-right: 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
/* the metal gradient must sit on each word once SplitText wraps them */
h1 em div, h1 em .line-mask div { background: linear-gradient(100deg, #6b7783, #c9d1d9 35%, #5a6570 55%, #aeb8c2 80%); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: metal 6s linear infinite; }
h1 em .line-mask { background: none; }