/* =============================================
   SIMCOE LUBRICANTS — Shared Design System
   Black · Silver · Signature Red
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
  /* Colors — Logo-inspired */
  --black:        #0B0B0D;
  --black-mid:    #131418;
  --black-light:  #1C1E24;
  --card:         #15171C;
  --card-hover:   #1F2229;

  --red:          #E8202A;
  --red-bright:   #FF2A35;
  --red-deep:     #B81820;

  --silver:       #C8CCD2;
  --silver-bright:#E8EAEE;
  --silver-mid:   #8B8F98;

  --white:        #F4F5F7;
  --off-white:    #D8DAE0;
  --muted:        #6E727B;

  --border:       rgba(232,32,42,0.20);
  --border-faint: rgba(255,255,255,0.06);
  --border-silver:rgba(200,204,210,0.14);

  /* Type */
  --font-display: 'Montserrat', sans-serif;
  --font-body:    'Montserrat', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --nav-h: 80px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255,255,255,0.025) 1px, transparent 0);
  background-size: 28px 28px;
}

/* Section-level subtle pattern overlay */
.section, .stats-bar, .products, .about-blurb, .trust, .page-hero, .cta-banner {
  position: relative;
}
.section::before, .products::before, .trust::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 20%, black 80%, transparent);
  z-index: 0;
}
.section > *, .products > *, .trust > * { position: relative; z-index: 1; }

/* ─── NAV ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: rgba(11,11,13,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-faint);
  transition: box-shadow 0.3s;
}

.nav--scrolled {
  box-shadow: 0 4px 40px rgba(0,0,0,0.6);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0;
  text-decoration: none;
  flex-shrink: 0;
  height: 100%;
  padding: 12px 0;
}

.nav__logo img {
  height: 100%;
  width: auto;
  display: block;
  object-fit: contain;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav__links a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--off-white);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.2s, color 0.2s;
  position: relative;
}

.nav__links a:hover,
.nav__links a.active {
  opacity: 1;
  color: var(--white);
}

.nav__links a.active::after {
  content: '';
  position: absolute;
  bottom: -28px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--red);
}

.nav__cta {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white) !important;
  background: var(--red);
  padding: 11px 22px;
  border-radius: 10px;
  text-decoration: none;
  opacity: 1 !important;
  white-space: nowrap;
  transition: background 0.2s, transform 0.15s !important;
}

.nav__cta:hover {
  background: var(--red-bright) !important;
  transform: translateY(-1px);
}
.nav__cta.active::after { display: none !important; }

/* Mobile nav */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}
.nav__hamburger span {
  width: 24px; height: 2px;
  background: var(--white);
  display: block;
  transition: 0.3s;
}

/* ─── SHARED LAYOUT ─── */
.page-wrap {
  padding-top: var(--nav-h);
  min-height: 100vh;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 48px;
}

.section {
  padding: 100px 0;
}

.section--sm {
  padding: 60px 0;
}

/* ─── TYPOGRAPHY ─── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 16px;
  display: block;
  font-weight: 500;
}

.h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.005em;
  text-transform: uppercase;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0.005em;
  text-transform: uppercase;
}

.h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.lead {
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--off-white);
  line-height: 1.7;
}

.body-text {
  font-size: 0.95rem;
  color: var(--silver-mid);
  line-height: 1.75;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 10px;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}

.btn--primary {
  background: var(--red);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--red-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,32,42,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn--outline:hover {
  border-color: var(--red);
  color: var(--red);
  transform: translateY(-2px);
}

.btn--silver {
  background: linear-gradient(180deg, var(--silver-bright), var(--silver));
  color: var(--black);
}
.btn--silver:hover {
  background: linear-gradient(180deg, #fff, var(--silver-bright));
  transform: translateY(-2px);
}

.btn--sm {
  padding: 10px 22px;
  font-size: 0.8rem;
}

/* ─── RED DIVIDER ─── */
.red-line {
  width: 60px;
  height: 3px;
  background: var(--red);
  margin-bottom: 28px;
}

.gold-line { /* kept for backwards compat in any pages */
  width: 60px;
  height: 3px;
  background: var(--red);
  margin-bottom: 28px;
}

/* ─── CARDS ─── */
.card {
  background: var(--card);
  border: 1px solid var(--border-faint);
  border-radius: 10px;
  padding: 36px;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

/* ─── STATS BAR ─── */
.stats-bar {
  background: var(--black-light);
  border-top: 1px solid var(--border-faint);
  border-bottom: 1px solid var(--border-faint);
}

.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stats-bar__item {
  padding: 40px 36px;
  border-right: 1px solid var(--border-faint);
  position: relative;
}
.stats-bar__item:last-child { border-right: none; }

.stats-bar__item::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 36px;
  width: 24px;
  height: 2px;
  background: var(--red);
}

.stats-bar__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.8rem;
  color: var(--white);
  line-height: 1;
  margin-top: 16px;
  letter-spacing: -0.01em;
}

.stats-bar__label {
  font-size: 0.78rem;
  color: var(--silver-mid);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 8px;
  font-family: var(--font-mono);
}

/* ─── FOOTER ─── */
.footer {
  background: var(--black-mid);
  border-top: 1px solid var(--border-faint);
  padding: 64px 0 32px;
}

.footer__logo {
  height: 48px;
  display: block;
  margin-bottom: 16px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand-desc {
  font-size: 0.9rem;
  color: var(--silver-mid);
  margin-top: 4px;
  line-height: 1.7;
  max-width: 280px;
}

.footer__col-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 18px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.88rem;
  color: var(--silver-mid);
  text-decoration: none;
  transition: color 0.2s;
}
.footer__links a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid var(--border-faint);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copy {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  background: var(--black-mid);
  border-bottom: 1px solid var(--border-faint);
  padding: 80px 0 64px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,32,42,0.10) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--red), transparent);
}

.page-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--red);
  text-transform: uppercase;
  margin-bottom: 18px;
  font-weight: 500;
}

.page-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 0.92;
  text-transform: uppercase;
  margin-bottom: 20px;
  letter-spacing: -0.005em;
}

.page-hero__desc {
  font-size: 1.05rem;
  color: var(--off-white);
  font-weight: 300;
  max-width: 560px;
  line-height: 1.7;
}

/* ─── MISC UTILITIES ─── */
.text-red { color: var(--red); }
.text-gold { color: var(--red); } /* legacy */
.text-silver { color: var(--silver); }
.text-muted { color: var(--silver-mid); }

/* ─── TAG / BADGE ─── */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--red);
  background: rgba(232,32,42,0.08);
  font-weight: 500;
}

/* ─── CTA BANNER (red) ─── */
.cta-banner {
  background: var(--red);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(0,0,0,0.18) 0%, transparent 50%),
    repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(255,255,255,0.03) 20px, rgba(255,255,255,0.03) 21px);
}

.cta-banner__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 72px 0;
}

.cta-banner__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  text-transform: uppercase;
  color: var(--white);
  max-width: 620px;
  letter-spacing: -0.005em;
}

.cta-banner__actions {
  display: flex;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.btn--dark {
  background: var(--black);
  color: var(--white);
}
.btn--dark:hover {
  background: var(--black-light);
  transform: translateY(-2px);
}

.btn--ghost-dark {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}
.btn--ghost-dark:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .container { padding: 0 32px; }
  .nav { padding: 0 32px; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 20px; }
  .nav { padding: 0 20px; }
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .section { padding: 64px 0; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__item { padding: 28px 20px; }
  .footer__grid { grid-template-columns: 1fr; gap: 28px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }

  .nav--open .nav__links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    background: var(--black-mid);
    padding: 24px 20px;
    border-bottom: 1px solid var(--border-faint);
    gap: 20px;
  }

  .nav__links a.active::after { display: none; }
}

@media (max-width: 480px) {
  .stats-bar__grid { grid-template-columns: 1fr 1fr; }
}