/* ===== Volar Hardware — Stylesheet ================================== */
:root {
  --navy:        #12304D;
  --navy-dark:   #0B2139;
  --navy-soft:   #2A4262;
  --orange:      #EE7A3C;
  --orange-dark: #D9651F;
  --orange-soft: #FBE6D6;
  --cream:       #FBF7F1;
  --cream-deep:  #F4EEE3;
  --ink:         #1E2330;
  --muted:       #5B6578;
  --line:        #E6DFD2;
  --white:       #FFFFFF;
  --radius:      12px;
  --radius-lg:   18px;
  --shadow-sm:   0 1px 2px rgba(18,48,77,.06), 0 2px 8px rgba(18,48,77,.04);
  --shadow-md:   0 4px 18px rgba(18,48,77,.08), 0 2px 6px rgba(18,48,77,.05);
  --shadow-lg:   0 16px 44px rgba(18,48,77,.14);
  --container:   1200px;
  --ff:          "Inter", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--ff);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--orange-dark); }
h1, h2, h3, h4 { font-weight: 800; color: var(--navy); letter-spacing: -0.01em; line-height: 1.15; margin: 0 0 .6em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p  { margin: 0 0 1em; color: var(--ink); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(251,247,241,.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 24px; }
.logo-link { display: inline-flex; align-items: center; }
.logo-link img { height: 44px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  display: inline-block; padding: 10px 14px; font-weight: 600; color: var(--navy-soft);
  border-radius: 8px; transition: background .15s, color .15s;
}
.nav-links a:hover, .nav-links a.active { background: var(--cream-deep); color: var(--navy); }
.nav-cta {
  background: var(--orange); color: var(--white) !important;
  padding: 12px 20px !important; border-radius: 999px !important;
  font-weight: 700; box-shadow: var(--shadow-sm);
}
.nav-cta:hover { background: var(--orange-dark); color: var(--white) !important; }
.menu-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 10px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }

/* ===== Hero ===== */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(48px, 8vw, 96px) 0;
  background:
    radial-gradient(1200px 500px at 90% -10%, rgba(238,122,60,.13), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(18,48,77,.08), transparent 60%),
    var(--cream);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--orange-soft); color: var(--orange-dark);
  padding: 6px 14px; border-radius: 999px; font-weight: 700;
  font-size: .8rem; letter-spacing: .05em; text-transform: uppercase; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; background: var(--orange); border-radius: 50%; }
.hero h1 strong { color: var(--orange); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-visual {
  position: relative; background: var(--navy);
  border-radius: var(--radius-lg); padding: 32px; color: var(--white);
  box-shadow: var(--shadow-lg);
  background-image: radial-gradient(600px 200px at 100% 0%, rgba(238,122,60,.28), transparent 60%);
}
.hero-visual h3 { color: var(--white); font-size: 1rem; text-transform: uppercase; letter-spacing: .1em; opacity: .85; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 22px 0 10px; }
.hero-stats div { border-left: 2px solid var(--orange); padding-left: 12px; }
.hero-stats strong { display: block; font-size: 1.8rem; font-weight: 800; }
.hero-stats span { color: #C5CED9; font-size: .85rem; }
.hero-visual ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 10px; }
.hero-visual li { display: flex; gap: 10px; align-items: flex-start; color: #E9EEF5; font-size: .95rem; }
.hero-visual li::before { content: ""; width: 18px; height: 18px; margin-top: 3px; flex: 0 0 18px;
  background: var(--orange); mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='black'/></svg>") center/contain no-repeat;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z' fill='black'/></svg>") center/contain no-repeat;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; border-radius: 999px; font-weight: 700;
  font-size: .98rem; border: 2px solid transparent; cursor: pointer;
  transition: background .15s, color .15s, transform .1s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange-dark); color: var(--white); }
.btn-secondary { background: var(--navy); color: var(--white); }
.btn-secondary:hover { background: var(--navy-dark); color: var(--white); }
.btn-outline { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }

/* ===== Sections ===== */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section.alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section.navy { background: var(--navy); color: var(--white); }
.section.navy h2, .section.navy h3 { color: var(--white); }
.section.navy p, .section.navy li { color: #D5DCE6; }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head .eyebrow { background: rgba(238,122,60,.14); }
.section.navy .eyebrow { background: rgba(238,122,60,.18); }

/* ===== Categories ===== */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.cat-card {
  display: flex; flex-direction: column; gap: 10px; padding: 22px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--ink); transition: transform .15s, box-shadow .15s, border-color .15s;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--orange); color: var(--ink); }
.cat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--cream-deep); color: var(--navy);
  display: flex; align-items: center; justify-content: center; margin-bottom: 6px;
}
.cat-icon svg { width: 26px; height: 26px; }
.cat-card h3 { margin: 0; font-size: 1.05rem; }
.cat-card p { color: var(--muted); font-size: .9rem; margin: 0; }
.cat-card .cat-meta { margin-top: auto; padding-top: 12px; font-size: .8rem; color: var(--orange-dark); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }

/* ===== Features (USPs) ===== */
.usp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.usp-item { display: flex; flex-direction: column; gap: 10px; }
.usp-item .usp-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: rgba(238,122,60,.15); color: var(--orange);
  display: flex; align-items: center; justify-content: center;
}
.usp-item h3 { margin: 0; font-size: 1.05rem; color: var(--white); }
.usp-item p  { margin: 0; font-size: .95rem; }

/* ===== Category deep sections (products page) ===== */
.cat-section { padding: 52px 0; border-bottom: 1px solid var(--line); }
.cat-section:last-child { border-bottom: 0; }
.cat-section .cat-head {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: flex-start; margin-bottom: 28px;
}
.cat-section .cat-head .cat-icon { width: 60px; height: 60px; border-radius: 14px; }
.cat-section .cat-head .cat-icon svg { width: 32px; height: 32px; }
.cat-section h2 { margin: 0 0 6px; }
.cat-section .cat-head p { color: var(--muted); margin: 0; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.product-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: flex; flex-direction: column; gap: 6px;
}
.product-card strong { color: var(--navy); font-size: 1rem; }
.product-card .spec { color: var(--muted); font-size: .85rem; }
.product-card .tag {
  margin-top: auto; display: inline-block; align-self: flex-start;
  background: var(--cream-deep); color: var(--navy); font-size: .75rem; font-weight: 700;
  padding: 4px 10px; border-radius: 999px; letter-spacing: .02em;
}

/* ===== Process steps ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--white); padding: 24px; border-radius: var(--radius); border: 1px solid var(--line); position: relative; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: -14px; left: 20px;
  background: var(--orange); color: var(--white);
  padding: 4px 10px; border-radius: 999px; font-size: .8rem; font-weight: 800; letter-spacing: .06em;
}
.step h3 { margin-top: 6px; font-size: 1.05rem; }
.step p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ===== CTA banner ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--navy) 0%, #1C4871 100%);
  color: var(--white); border-radius: var(--radius-lg);
  padding: 44px; display: grid; grid-template-columns: 1.4fr auto; gap: 24px; align-items: center;
  box-shadow: var(--shadow-lg);
}
.cta-banner h2 { color: var(--white); margin-bottom: 8px; }
.cta-banner p { color: #D5DCE6; margin: 0; }

/* ===== Forms ===== */
.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: .85rem; font-weight: 700; color: var(--navy); letter-spacing: .02em; }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px;
  font-family: inherit; font-size: 1rem; color: var(--ink); background: var(--cream);
  transition: border-color .15s, box-shadow .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: 0; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(238,122,60,.2); background: var(--white);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 14px; }
.form-success {
  display: none; background: #EEF7EE; border: 1px solid #BEDFBE; color: #205A26;
  padding: 14px 16px; border-radius: 10px; margin-bottom: 16px;
}
.form-success.show { display: block; }

/* ===== Contact info grid ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.contact-info ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 22px; }
.contact-info li { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: flex-start; }
.contact-info .icon {
  width: 44px; height: 44px; border-radius: 10px; background: var(--cream-deep); color: var(--navy);
  display: flex; align-items: center; justify-content: center;
}
.contact-info strong { color: var(--navy); font-size: .9rem; letter-spacing: .02em; text-transform: uppercase; display: block; margin-bottom: 2px; }
.contact-info span, .contact-info a { color: var(--ink); }

/* ===== About page ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
.about-facts { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.about-facts dl { margin: 0; display: grid; gap: 18px; }
.about-facts dt { font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; color: var(--orange-dark); }
.about-facts dd { margin: 4px 0 0; color: var(--ink); font-weight: 600; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.value-card { background: var(--white); border: 1px solid var(--line); padding: 24px; border-radius: var(--radius); }
.value-card .cat-icon { background: rgba(238,122,60,.13); color: var(--orange); }
.value-card h3 { font-size: 1.05rem; }
.value-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* ===== Footer ===== */
.site-footer { background: var(--navy-dark); color: #C5CED9; padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 32px; }
.site-footer h4 { color: var(--white); font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.site-footer a { color: #C5CED9; }
.site-footer a:hover { color: var(--orange); }
.site-footer p { color: #9BA5B4; font-size: .9rem; margin: 0 0 10px; }
.footer-brand img { height: 46px; margin-bottom: 14px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 20px; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  font-size: .85rem; color: #8894A5;
}
.footer-bottom .uen { color: var(--orange); font-weight: 700; letter-spacing: .04em; }

/* ===== Utility ===== */
.divider { height: 1px; background: var(--line); margin: 40px 0; }
.pill { display: inline-block; background: var(--cream-deep); color: var(--navy); font-size: .78rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; letter-spacing: .04em; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .usp-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { grid-template-columns: 1fr; padding: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 72px; right: 20px; left: 20px;
    background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
    flex-direction: column; align-items: stretch; padding: 12px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; }
  .cat-grid { grid-template-columns: 1fr; }
  .usp-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}