* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #fafafa; --bg2: #f2f3f6; --bg3: #e8e9ee;
  --surface: #ffffff; --border: #dddee4;
  --text: #1a1b23; --text2: #5d6070; --text3: #9699a8;
  --accent: #2563eb; --accent2: #1d4ed8;
  --accent-soft: rgba(37,99,235,0.06); --accent-light: #dbeafe;
  --green: #16a34a;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --display: 'Plus Jakarta Sans', 'Inter', sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.page-wrap { padding-top: 66px; min-height: 100vh; display: flex; flex-direction: column; }
.page-wrap main { flex: 1; }

/* Nav */
nav { position: fixed; top: 0; left: 0; right: 0; background: rgba(255,255,255,0.88); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); z-index: 100; }
nav .container { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 800; font-size: 1.2rem; text-decoration: none; color: var(--text); }
.logo .cube { width: 30px; height: 30px; background: linear-gradient(135deg, var(--accent), var(--accent2)); border-radius: 7px; display: inline-flex; align-items: center; justify-content: center; color: white; font-size: 0.75rem; font-weight: 700; }
.logo .hl { color: var(--accent); }
.logo .loc { font-size: 0.65rem; font-weight: 600; color: var(--text3); letter-spacing: 0.04em; background: var(--bg3); padding: 2px 10px; border-radius: 4px; margin-left: 2px; }
.nav-right { display: flex; align-items: center; gap: 24px; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { color: var(--text2); text-decoration: none; font-size: 0.85rem; font-weight: 500; transition: color 0.2s; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); border-bottom-color: var(--accent); }
.nav-cta { background: var(--accent); color: white; padding: 9px 20px; border-radius: 8px; font-weight: 600; font-size: 0.8rem; text-decoration: none; transition: background 0.2s; }
.nav-cta:hover { background: var(--accent2); }

/* Hero */
.hero { padding: 100px 0 60px; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -20%; right: -5%; width: 600px; height: 600px; background: radial-gradient(circle, var(--accent-soft) 0%, transparent 65%); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--accent-light); padding: 5px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 600; color: var(--accent); margin-bottom: 20px; }
.hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); display: inline-block; }
.hero h1 { font-family: var(--display); font-size: 3.2rem; font-weight: 800; line-height: 1.12; letter-spacing: -0.03em; margin-bottom: 12px; }
.hero h1 .hl { color: var(--accent); }
.hero .subtitle { font-family: var(--display); font-size: 1.6rem; font-weight: 600; color: var(--text3); margin-bottom: 20px; letter-spacing: -0.01em; }
.hero p { font-size: 1rem; color: var(--text2); max-width: 440px; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary { background: var(--accent); color: white; padding: 14px 30px; border-radius: 10px; font-weight: 600; font-size: 0.95rem; border: none; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); transition: background 0.2s, transform 0.15s; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text); padding: 14px 30px; border-radius: 10px; font-weight: 500; font-size: 0.95rem; border: 1px solid var(--border); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); transition: border-color 0.2s; }
.btn-secondary:hover { border-color: var(--text2); }

/* Hero Card */
.hero-card { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 28px; box-shadow: 0 4px 24px rgba(0,0,0,0.04); }
.hero-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.hero-card-header h3 { font-family: var(--display); font-size: 1.1rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.hero-card-header .tag { font-size: 0.65rem; background: var(--accent-light); color: var(--accent); padding: 2px 12px; border-radius: 4px; font-weight: 600; }
.hero-card-header .paris { font-size: 0.7rem; color: var(--text3); display: flex; align-items: center; gap: 4px; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.spec-cell { background: var(--bg2); border-radius: 10px; padding: 12px 14px; }
.spec-cell .lbl { font-size: 0.65rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 500; }
.spec-cell .val { font-weight: 700; font-size: 0.95rem; margin-top: 2px; }
.spec-cell .val small { font-weight: 400; color: var(--text3); font-size: 0.8rem; }
.materials-row { display: flex; flex-wrap: wrap; gap: 6px; }
.materials-row span { background: var(--bg2); padding: 3px 12px; border-radius: 6px; font-size: 0.75rem; font-weight: 500; border: 1px solid var(--border); }

/* Stats */
.stats-bar { background: var(--text); color: white; padding: 36px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat .num { font-size: 1.8rem; font-weight: 800; }
.stat .num small { font-size: 0.9rem; opacity: 0.5; font-weight: 500; }
.stat .lbl { font-size: 0.75rem; opacity: 0.45; font-weight: 500; margin-top: 2px; }
.stat .fr { font-size: 0.7rem; opacity: 0.3; margin-top: 2px; }

/* Section common */
.section { padding: 80px 0; }
.section-center { text-align: center; margin-bottom: 48px; }
.section-center .label { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.7rem; font-weight: 600; color: var(--accent); margin-bottom: 6px; }
.section-center h2 { font-family: var(--display); font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.section-center p { color: var(--text2); max-width: 480px; margin: 0 auto; }

/* Page header */
.page-header { padding: 120px 0 40px; background: var(--bg2); }
.page-header .label { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.7rem; font-weight: 600; color: var(--accent); margin-bottom: 6px; }
.page-header h1 { font-family: var(--display); font-size: 2.8rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 8px; }
.page-header p { color: var(--text2); font-size: 1rem; max-width: 500px; }

/* Services grid */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px 24px; transition: border-color 0.2s, transform 0.2s, box-shadow 0.3s; }
.svc-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(0,0,0,0.04); }
.svc-card .icon { font-size: 1.6rem; margin-bottom: 14px; }
.svc-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.svc-card p { color: var(--text2); font-size: 0.85rem; line-height: 1.55; }

/* Dual audience */
.dual-wrap { margin-top: 16px; }
.dual-tabs { display: flex; justify-content: center; gap: 4px; margin-bottom: 32px; background: var(--bg2); border-radius: 12px; padding: 4px; max-width: 420px; margin-left: auto; margin-right: auto; }
.dual-tab { flex: 1; padding: 10px 20px; border: none; border-radius: 8px; background: transparent; font-family: var(--font); font-size: 0.85rem; font-weight: 600; cursor: pointer; color: var(--text2); transition: all 0.2s; }
.dual-tab.active { background: white; color: var(--text); box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
.dual-tab .fr-sub { font-weight: 400; font-size: 0.7rem; display: block; color: var(--text3); }
.dual-panel { display: none; }
.dual-panel.active { display: block; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dual-item { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px 20px; display: flex; gap: 16px; align-items: flex-start; transition: border-color 0.2s; }
.dual-item:hover { border-color: var(--accent); }
.dual-item .ic { font-size: 1.5rem; flex-shrink: 0; }
.dual-item h4 { font-size: 0.95rem; margin-bottom: 2px; }
.dual-item p { color: var(--text2); font-size: 0.8rem; line-height: 1.5; }

/* Workflow */
.wf-row { display: flex; gap: 0; position: relative; }
.wf-row::before { content: ''; position: absolute; top: 28px; left: 60px; right: 60px; height: 2px; background: var(--border); z-index: 0; }
.wf-step { flex: 1; text-align: center; position: relative; z-index: 1; padding: 0 12px; }
.wf-step .c { width: 56px; height: 56px; border-radius: 50%; background: var(--surface); border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-weight: 700; font-size: 1.2rem; color: var(--accent); transition: border-color 0.2s, background 0.2s; }
.wf-step:hover .c { border-color: var(--accent); background: var(--accent-light); }
.wf-step h5 { font-size: 0.9rem; margin-bottom: 2px; }
.wf-step p { font-size: 0.75rem; color: var(--text3); max-width: 160px; margin: 0 auto; }

/* Gallery */
.gallery-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gallery-feat { background: var(--bg3); border-radius: 14px; min-height: 320px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 3rem; }
.gallery-feat .tag { font-size: 0.85rem; color: var(--text2); margin-top: 8px; font-weight: 500; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gallery-sm { background: var(--bg3); border-radius: 12px; min-height: 150px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 2rem; }
.gallery-sm .tag { font-size: 0.7rem; color: var(--text2); margin-top: 4px; }
.gallery-grid-full { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.gallery-grid-full .item { background: var(--bg3); border-radius: 14px; min-height: 200px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 2.5rem; transition: transform 0.2s; }
.gallery-grid-full .item:hover { transform: scale(1.02); }
.gallery-grid-full .item .tag { font-size: 0.75rem; color: var(--text2); margin-top: 6px; font-weight: 500; }

/* Materials */
.mat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px 16px; text-align: center; transition: border-color 0.2s, transform 0.2s; }
.mat-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.mat-card .e { font-size: 1.8rem; margin-bottom: 8px; }
.mat-card h4 { font-size: 0.9rem; font-weight: 600; }
.mat-card p { color: var(--text3); font-size: 0.7rem; }

/* Pricing */
.price-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.price-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px 24px; transition: border-color 0.2s, transform 0.2s; }
.price-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.price-card.featured { border-color: var(--accent); background: linear-gradient(135deg, var(--surface), var(--accent-soft)); position: relative; }
.price-card.featured .ribbon { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--accent); color: white; padding: 3px 16px; border-radius: 20px; font-size: 0.7rem; font-weight: 600; }
.price-card h4 { font-size: 1.1rem; margin-bottom: 2px; }
.price-card .p-desc { font-size: 0.8rem; color: var(--text2); margin-bottom: 14px; }
.price-card .p-val { font-size: 2.2rem; font-weight: 800; }
.price-card .p-val small { font-size: 0.85rem; color: var(--text3); font-weight: 400; }
.price-card .p-unit { font-size: 0.75rem; color: var(--text3); margin-bottom: 16px; }
.price-card hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.price-card ul { list-style: none; margin-bottom: 20px; }
.price-card li { padding: 4px 0; font-size: 0.85rem; display: flex; align-items: center; gap: 6px; }
.price-card li::before { content: '✓'; color: var(--green); font-weight: 700; }
.price-card .btn-primary { width: 100%; justify-content: center; padding: 12px; font-size: 0.9rem; }
.price-card .btn-outline { width: 100%; justify-content: center; padding: 12px; background: transparent; color: var(--text); border: 1px solid var(--border); border-radius: 10px; font-weight: 600; font-size: 0.85rem; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); transition: border-color 0.2s; }
.price-card .btn-outline:hover { border-color: var(--text2); }

/* Contact page */
.contact-page { padding: 40px 0 80px; }
.contact-page-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { font-family: var(--display); font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
.contact-info p { color: var(--text2); margin-bottom: 32px; }
.contact-card { display: flex; align-items: center; gap: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; transition: border-color 0.2s; }
.contact-card:hover { border-color: var(--accent); }
.contact-card .ic { font-size: 1.4rem; }
.contact-card .info h4 { font-size: 0.9rem; font-weight: 600; }
.contact-card .info p { color: var(--text3); font-size: 0.85rem; margin: 0; }
.contact-form-box { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 36px 32px; }
.contact-form-box h3 { font-family: var(--display); font-size: 1.3rem; margin-bottom: 4px; }
.contact-form-box .form-sub { color: var(--text2); font-size: 0.85rem; margin-bottom: 24px; }
.contact-form-box form { display: flex; flex-direction: column; gap: 14px; }
.contact-form-box input, .contact-form-box textarea, .contact-form-box select { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; font-family: var(--font); font-size: 0.9rem; outline: none; transition: border-color 0.2s; }
.contact-form-box input:focus, .contact-form-box textarea:focus, .contact-form-box select:focus { border-color: var(--accent); }
.contact-form-box textarea { min-height: 140px; resize: vertical; }
.contact-form-box .btn-primary { align-self: flex-start; }

/* Homepage CTA */
.cta-bar { background: var(--text); color: white; border-radius: 20px; padding: 56px 48px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; margin-bottom: 80px; }
.cta-bar h2 { font-family: var(--display); font-size: 1.8rem; font-weight: 700; margin-bottom: 10px; }
.cta-bar h2 small { font-weight: 400; opacity: 0.5; font-size: 1rem; display: block; margin-top: 4px; }
.cta-bar p { opacity: 0.6; font-size: 0.9rem; margin-bottom: 24px; }
.cta-bar .methods { display: flex; gap: 20px; flex-wrap: wrap; }
.cta-bar .methods span { display: flex; align-items: center; gap: 8px; opacity: 0.65; font-size: 0.85rem; }
.cta-bar .right { text-align: right; }
.btn-white { background: white; color: var(--text); padding: 14px 34px; border-radius: 10px; font-weight: 600; font-size: 0.9rem; border: none; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-family: var(--font); transition: transform 0.15s; }
.btn-white:hover { transform: translateY(-2px); }

/* Footer */
footer { padding: 32px 0; text-align: center; color: var(--text3); font-size: 0.8rem; border-top: 1px solid var(--border); margin-top: auto; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); z-index: 200; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal-box { background: white; border-radius: 20px; padding: 36px 32px 28px; width: 90%; max-width: 520px; position: relative; }
.modal-close { position: absolute; top: 14px; right: 18px; background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text3); font-family: var(--font); }
.modal-box h3 { font-size: 1.2rem; margin-bottom: 4px; }
.modal-box .m-sub { color: var(--text2); font-size: 0.85rem; margin-bottom: 20px; }
.modal-box form { display: flex; flex-direction: column; gap: 12px; }
.modal-box input, .modal-box textarea, .modal-box select { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; font-family: var(--font); font-size: 0.88rem; outline: none; transition: border-color 0.2s; }
.modal-box input:focus, .modal-box textarea:focus, .modal-box select:focus { border-color: var(--accent); }
.modal-box textarea { min-height: 100px; resize: vertical; }
.modal-box .btn-primary { align-self: stretch; justify-content: center; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 2.4rem; }
  .hero .subtitle { font-size: 1.2rem; }
  .svc-grid, .price-wrap { grid-template-columns: 1fr; }
  .dual-grid, .gallery-hero { grid-template-columns: 1fr; }
  .wf-row { flex-direction: column; gap: 20px; }
  .wf-row::before { display: none; }
  .mat-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-page-grid { grid-template-columns: 1fr; }
  .cta-bar { grid-template-columns: 1fr; padding: 40px 24px; }
  .cta-bar .right { text-align: left; margin-top: 8px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .gallery-grid-full { grid-template-columns: 1fr; }
  .price-wrap { max-width: 400px; margin: 0 auto; }
  .nav-links a:not(.nav-cta) { display: none; }
}
@media (max-width: 600px) {
  .hero h1 { font-size: 1.8rem; }
  .spec-grid { grid-template-columns: 1fr; }
  .mat-grid { grid-template-columns: 1fr 1fr; }
  .page-header h1 { font-size: 2rem; }
  .page-header { padding: 100px 0 30px; }
}