/* ============================================================
   CHIN TAI OIL SEALS INDUSTRY — Main Stylesheet
   Color Scheme: White + Black + Gold (#c9a84c)
   ============================================================ */

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

/* === CSS VARIABLES ========================================= */
:root {
  --navy:        #111827;   /* near-black charcoal */
  --navy-mid:    #1f2937;   /* dark charcoal */
  --navy-light:  #374151;   /* medium charcoal */
  --navy-xlight: #4b5563;   /* lighter charcoal */
  --gold:        #c9a84c;
  --gold-light:  #e0c06b;
  --gold-dim:    rgba(201, 168, 76, 0.12);
  --gold-border: rgba(201, 168, 76, 0.4);
  --white:       #ffffff;
  --off-white:   #fffdf7;   /* warm cream white */
  --light-gray:  #f9fafb;
  --border:      #e5e7eb;
  --text-dark:   #111827;
  --text-mid:    #374151;
  --text-light:  #6b7280;
  --success:     #059669;

  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Inter', sans-serif;

  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --transition:  all 0.3s var(--ease);

  --shadow-sm:   0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-md:   0 4px 18px rgba(0, 0, 0, 0.09);
  --shadow-lg:   0 8px 36px rgba(0, 0, 0, 0.12);
  --shadow-xl:   0 20px 60px rgba(0, 0, 0, 0.16);

  --radius-sm:   4px;
  --radius:      8px;
  --radius-lg:   16px;

  --container:   1200px;
  --nav-h:       80px;
}

/* === RESET ================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-tap-highlight-color: transparent; }
body { font-family: var(--font-body); color: var(--text-mid); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img  { max-width: 100%; height: auto; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
h1,h2,h3,h4,h5 { font-family: var(--font-heading); color: var(--text-dark); line-height: 1.2; }

/* === UTILITIES ============================================= */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.sr-only   { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* Section spacing */
.section   { padding: 96px 0; }
.section--alt { background: var(--off-white); }
.section--dark { background: var(--off-white); color: var(--text-mid); }
.section--dark h2, .section--dark h3 { color: var(--text-dark); }

/* Section header */
.section-header { text-align: center; max-width: 680px; margin: 0 auto 64px; }
.section-header.left { text-align: left; margin: 0 0 48px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--gold); font-family: var(--font-heading);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; margin-bottom: 14px;
}
.section-tag::before {
  content: ''; display: block; width: 28px; height: 2px;
  background: var(--gold); flex-shrink: 0;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; margin-bottom: 18px; letter-spacing: -0.02em;
}
.section-sub { font-size: 1.0625rem; color: var(--text-light); line-height: 1.75; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; font-family: var(--font-heading);
  font-size: 0.875rem; font-weight: 600; letter-spacing: 0.04em;
  border-radius: var(--radius); transition: var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--gold); color: var(--navy);
  box-shadow: 0 4px 14px rgba(201, 168, 76, 0.35);
}
.btn--primary:hover {
  background: var(--gold-light); transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 168, 76, 0.45);
}
.btn--outline {
  border: 2px solid rgba(255,255,255,0.45); color: var(--white);
}
.btn--outline:hover {
  border-color: var(--gold); color: var(--gold); background: rgba(201,168,76,0.06);
}
.btn--navy {
  background: var(--navy); color: var(--white);
  box-shadow: var(--shadow-md);
}
.btn--navy:hover { background: var(--navy-mid); transform: translateY(-2px); }
.btn--ghost-gold {
  border: 2px solid var(--gold-border); color: var(--gold);
}
.btn--ghost-gold:hover { background: var(--gold-dim); }
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

/* Gold divider */
.gold-divider {
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px; margin: 20px 0;
}
.gold-divider--center { margin: 20px auto; }

/* === NAVIGATION ============================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
.navbar__inner {
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.navbar__logo { display: flex; align-items: center; gap: 12px; }
.navbar__logo-icon {
  width: 40px; height: 40px; background: var(--gold);
  border-radius: 6px; display: flex; align-items: center; justify-content: center;
}
.navbar__logo-icon svg { width: 24px; height: 24px; color: var(--navy); }
.navbar__logo-text { display: flex; flex-direction: column; line-height: 1; }
.navbar__logo-name {
  font-family: var(--font-heading); font-size: 0.95rem; font-weight: 800;
  color: var(--text-dark); letter-spacing: 0.02em;
}
.navbar__logo-sub {
  font-size: 0.62rem; color: var(--gold); letter-spacing: 0.15em;
  text-transform: uppercase; margin-top: 2px;
}
.navbar__nav { display: flex; align-items: center; gap: 4px; }
.navbar__link {
  padding: 8px 14px; font-family: var(--font-heading);
  font-size: 0.8rem; font-weight: 600; color: var(--text-mid);
  letter-spacing: 0.05em; text-transform: uppercase;
  border-radius: var(--radius-sm); transition: var(--transition);
  position: relative;
}
.navbar__link::after {
  content: ''; position: absolute; bottom: 2px; left: 14px; right: 14px;
  height: 2px; background: var(--gold); border-radius: 1px;
  transform: scaleX(0); transition: transform 0.3s var(--ease);
}
.navbar__link:hover, .navbar__link.active { color: var(--text-dark); }
.navbar__link:hover::after, .navbar__link.active::after { transform: scaleX(1); }
.navbar__right { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
  padding: 6px 14px; border: 1.5px solid var(--gold-border);
  color: var(--gold); font-family: var(--font-heading);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  border-radius: 20px; transition: var(--transition);
}
.lang-toggle:hover { background: var(--gold-dim); }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; width: 40px;
}
.hamburger span {
  display: block; height: 2px; background: var(--text-dark);
  border-radius: 1px; transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none; position: fixed; top: var(--nav-h); left: 0; right: 0;
  background: var(--navy); z-index: 999; padding: 24px;
  border-bottom: 2px solid var(--gold-border);
  box-shadow: var(--shadow-xl);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block; padding: 14px 0; font-family: var(--font-heading);
  font-size: 0.875rem; font-weight: 600; color: rgba(255,255,255,0.85);
  letter-spacing: 0.08em; text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--gold); }
.mobile-lang { margin-top: 20px; }

/* === PAGE HERO (inner pages) =============================== */
.page-hero {
  padding: calc(var(--nav-h) + 72px) 0 72px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #2d3748 100%);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(201,168,76,0.07) 1px, transparent 1px);
  background-size: 36px 36px;
}
.page-hero__content { position: relative; z-index: 1; }
.page-hero__breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: rgba(255,255,255,0.5);
  margin-bottom: 16px; font-family: var(--font-heading);
  letter-spacing: 0.04em;
}
.page-hero__breadcrumb a { color: var(--gold); }
.page-hero__breadcrumb span { color: rgba(255,255,255,0.3); }
.page-hero h1 {
  color: var(--white); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em;
}
.page-hero p { color: rgba(255,255,255,0.65); font-size: 1.0625rem; max-width: 560px; }

/* === HOME HERO ============================================= */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, #1a2535 45%, var(--navy-mid) 100%);
  padding-top: var(--nav-h);
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(201,168,76,0.07) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero::after {
  content: ''; position: absolute; top: -40%; right: -15%;
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero__inner {
  position: relative; z-index: 1;
  max-width: var(--container); margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.hero__content { max-width: 580px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(201,168,76,0.12); border: 1px solid var(--gold-border);
  padding: 6px 16px; border-radius: 20px;
  color: var(--gold); font-family: var(--font-heading);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; margin-bottom: 28px;
}
.hero__eyebrow::before {
  content: ''; width: 6px; height: 6px; background: var(--gold);
  border-radius: 50%; animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero h1 {
  color: var(--white); font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.025em; margin-bottom: 24px;
}
.hero h1 span { color: var(--gold); }
.hero__sub {
  font-size: 1.0625rem; color: rgba(255,255,255,0.68);
  line-height: 1.75; margin-bottom: 40px; max-width: 480px;
}
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero__trust {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1);
}
.hero__trust-label {
  font-size: 0.72rem; color: rgba(255,255,255,0.4);
  font-family: var(--font-heading); font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase;
}
.trust-badges { display: flex; gap: 12px; flex-wrap: wrap; }
.trust-badge {
  padding: 5px 12px; border: 1px solid rgba(255,255,255,0.15);
  border-radius: 4px; font-size: 0.72rem; font-weight: 600;
  color: rgba(255,255,255,0.55); font-family: var(--font-heading);
  letter-spacing: 0.06em;
}
.hero__visual { display: flex; justify-content: center; align-items: center; }
.hero__visual-card {
  width: 100%; max-width: 440px; aspect-ratio: 1;
  background: linear-gradient(145deg, var(--navy) 0%, var(--navy-mid) 100%);
  border-radius: var(--radius-lg); border: 1px solid rgba(201,168,76,0.25);
  box-shadow: var(--shadow-xl), 0 0 80px rgba(201,168,76,0.06);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden; gap: 24px;
  padding: 40px;
}
.hero__visual-card::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 200px; height: 200px; border-radius: 50%;
  border: 40px solid rgba(201,168,76,0.06);
}
.hero__visual-card::after {
  content: ''; position: absolute; bottom: -40px; left: -40px;
  width: 160px; height: 160px; border-radius: 50%;
  border: 30px solid rgba(201,168,76,0.04);
}
.seal-icon {
  width: 120px; height: 120px; position: relative; z-index: 1;
}
.seal-icon svg { width: 100%; height: 100%; }
.visual-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; width: 100%; position: relative; z-index: 1; }
.visual-stat {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius); padding: 14px 16px; text-align: center;
}
.visual-stat__num {
  font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800;
  color: var(--gold); line-height: 1;
}
.visual-stat__label {
  font-size: 0.7rem; color: rgba(255,255,255,0.5); margin-top: 4px;
  font-family: var(--font-heading); font-weight: 500; letter-spacing: 0.04em;
}

/* === STATS BAR ============================================= */
.stats-bar {
  background: var(--white); padding: 52px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; max-width: var(--container); margin: 0 auto; padding: 0 24px;
}
.stat-item {
  text-align: center; padding: 12px 24px;
  border-right: 1px solid var(--border);
}
.stat-item:last-child { border-right: none; }
.stat-item__num {
  font-family: var(--font-heading); font-size: 2.5rem; font-weight: 800;
  color: var(--gold); line-height: 1; margin-bottom: 8px;
}
.stat-item__label {
  font-size: 0.8rem; color: var(--text-light);
  font-family: var(--font-heading); font-weight: 500; letter-spacing: 0.06em;
}

/* === HOME INTRO ============================================ */
.intro-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.intro-image {
  background: linear-gradient(145deg, var(--light-gray) 0%, var(--border) 100%);
  border-radius: var(--radius-lg); aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.intro-image::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(12,27,54,0.06) 0%, transparent 100%);
}
.img-placeholder {
  display: flex; flex-direction: column; align-items: center;
  gap: 12px; color: var(--text-light);
}
.img-placeholder svg { width: 48px; height: 48px; opacity: 0.4; }
.img-placeholder span {
  font-size: 0.75rem; font-family: var(--font-heading);
  font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  opacity: 0.5;
}
.intro-text { }
.intro-text p { margin-bottom: 18px; font-size: 1.0rem; line-height: 1.8; }
.intro-text p:last-of-type { margin-bottom: 32px; }
.intro-features { display: flex; flex-direction: column; gap: 12px; margin-bottom: 36px; }
.intro-feature {
  display: flex; align-items: flex-start; gap: 12px;
}
.intro-feature-icon {
  width: 22px; height: 22px; background: var(--gold-dim); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px;
}
.intro-feature-icon svg { width: 12px; height: 12px; color: var(--gold); }
.intro-feature-text { font-size: 0.9375rem; }
.intro-feature-text strong { color: var(--text-dark); font-weight: 600; }

/* === PRODUCT HIGHLIGHTS (Home) ============================= */
.product-highlights-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
}
.product-highlight-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); overflow: hidden;
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.product-highlight-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: var(--gold-border);
}
.product-card__img {
  height: 200px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-card__img--rotary   { background: linear-gradient(135deg, #111827 0%, #1f2937 100%); }
.product-card__img--hydraulic { background: linear-gradient(135deg, #78542a 0%, #c9a84c 100%); }
.product-card__img--custom   { background: linear-gradient(135deg, #1f2937 0%, #374151 100%); }
.product-card__img-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px; background: linear-gradient(0deg, rgba(0,0,0,0.5), transparent);
}
.product-card__cat {
  font-family: var(--font-heading); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold);
}
.product-card__body { padding: 24px; }
.product-card__name {
  font-size: 1.125rem; font-weight: 700; margin-bottom: 10px;
}
.product-card__desc {
  font-size: 0.9rem; color: var(--text-light); line-height: 1.7; margin-bottom: 20px;
}
.product-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 700;
  color: var(--navy); letter-spacing: 0.06em; text-transform: uppercase;
  transition: var(--transition);
}
.product-card__link svg { width: 16px; height: 16px; transition: transform 0.3s ease; }
.product-card__link:hover { color: var(--gold); }
.product-card__link:hover svg { transform: translateX(4px); }
.product-card__seal-icon {
  width: 80px; height: 80px;
}

/* === WHY CHOOSE US (Home) ================================== */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 28px;
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.feature-card:hover {
  border-color: var(--gold-border); box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-card__icon {
  width: 52px; height: 52px; background: var(--gold-dim);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.feature-card__icon svg { width: 26px; height: 26px; color: var(--gold); }
.feature-card__title {
  font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 10px;
}
.feature-card__desc { font-size: 0.875rem; color: var(--text-light); line-height: 1.7; }

/* === CTA BANNER ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  padding: 80px 0; text-align: center; position: relative; overflow: hidden;
  border-top: none; border-bottom: none;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-banner__inner { position: relative; z-index: 1; }
.cta-banner h2 {
  color: var(--text-dark); font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em;
}
.cta-banner p { color: rgba(17,24,39,0.7); font-size: 1.0625rem; margin-bottom: 36px; }
.cta-banner__btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-banner .btn--primary { background: var(--navy); color: var(--white); box-shadow: 0 4px 14px rgba(0,0,0,0.2); }
.cta-banner .btn--primary:hover { background: var(--navy-mid); }
.cta-banner .btn--outline { border-color: var(--navy); color: var(--navy); }
.cta-banner .btn--outline:hover { background: rgba(0,0,0,0.07); }

/* === ABOUT PAGE ============================================ */
.story-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start;
}
.story-text p { margin-bottom: 18px; line-height: 1.8; font-size: 1rem; }
.timeline { margin-top: 40px; display: flex; flex-direction: column; gap: 0; }
.timeline-item {
  display: flex; gap: 20px; position: relative; padding-bottom: 28px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-left { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.timeline-year {
  font-family: var(--font-heading); font-size: 0.75rem; font-weight: 800;
  color: var(--gold); letter-spacing: 0.06em; background: var(--gold-dim);
  padding: 4px 10px; border-radius: 20px; white-space: nowrap;
}
.timeline-line {
  width: 2px; flex: 1; background: var(--border); margin-top: 8px;
}
.timeline-item:last-child .timeline-line { display: none; }
.timeline-body { padding-top: 2px; }
.timeline-body h4 { font-size: 0.9375rem; font-weight: 700; margin-bottom: 4px; }
.timeline-body p { font-size: 0.875rem; color: var(--text-light); line-height: 1.65; }
.about-image-stack { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--nav-h) + 24px); }
.about-img {
  background: var(--light-gray); border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); overflow: hidden;
}
.about-img--main { height: 300px; }
.about-img--secondary { height: 180px; }
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 24px; text-align: center; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.value-card:hover { border-color: var(--gold-border); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.value-card__icon {
  width: 60px; height: 60px; background: var(--gold-dim); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.value-card__icon svg { width: 28px; height: 28px; color: var(--gold); }
.value-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.value-card p { font-size: 0.875rem; color: var(--text-light); line-height: 1.7; }
.capabilities-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.capabilities-list { display: flex; flex-direction: column; gap: 16px; }
.capability-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 20px; background: var(--off-white); border-radius: var(--radius);
  border-left: 3px solid var(--gold); transition: var(--transition);
}
.capability-item:hover { background: var(--light-gray); }
.capability-item svg { width: 22px; height: 22px; color: var(--gold); flex-shrink: 0; margin-top: 1px; }
.capability-item h4 { font-size: 0.9375rem; font-weight: 700; margin-bottom: 3px; }
.capability-item p { font-size: 0.85rem; color: var(--text-light); }
.certs-row {
  display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px;
}
.cert-badge {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px; border: 1.5px solid var(--gold-border);
  border-radius: var(--radius); background: var(--gold-dim);
}
.cert-badge svg { width: 20px; height: 20px; color: var(--gold); }
.cert-badge span {
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 700;
  color: var(--navy); letter-spacing: 0.06em;
}

/* === PRODUCTS PAGE ========================================= */
.products-filter {
  display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 48px; justify-content: center;
}
.filter-btn {
  padding: 10px 22px; border: 1.5px solid var(--border); border-radius: 24px;
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 600;
  color: var(--text-mid); letter-spacing: 0.04em; transition: var(--transition);
  background: var(--white);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--navy); color: var(--white); border-color: var(--navy);
}
.filter-btn.active { background: var(--navy); color: var(--white); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); box-shadow: var(--shadow-sm);
}
.product-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: var(--gold-border);
}
.product-card.hidden { display: none; }
.product-card__header {
  height: 180px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.product-card__header--rotary   { background: linear-gradient(135deg, #111827 0%, #1f2937 100%); }
.product-card__header--hydraulic { background: linear-gradient(135deg, #78542a 0%, #c9a84c 100%); }
.product-card__header--custom   { background: linear-gradient(135deg, #1f2937 0%, #374151 100%); }
.product-card__badge {
  position: absolute; top: 14px; right: 14px;
  padding: 4px 10px; border-radius: 20px; font-family: var(--font-heading);
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
}
.badge--rotary   { background: rgba(201,168,76,0.2); color: var(--gold); }
.badge--hydraulic { background: rgba(28,63,110,0.6); color: #93c5fd; border: 1px solid rgba(147,197,253,0.3); }
.badge--custom   { background: rgba(201,168,76,0.15); color: var(--gold-light); }
.product-card__content { padding: 24px; }
.product-card__name { font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px; }
.product-card__desc { font-size: 0.875rem; color: var(--text-light); line-height: 1.7; margin-bottom: 18px; }
.product-specs { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.8rem; padding: 6px 0; border-bottom: 1px solid var(--light-gray);
}
.spec-row:last-child { border-bottom: none; }
.spec-key { color: var(--text-light); font-weight: 500; }
.spec-val { color: var(--text-dark); font-weight: 600; font-family: var(--font-heading); font-size: 0.78rem; }
.product-card__footer {
  padding: 16px 24px; background: var(--off-white);
  border-top: 1px solid var(--light-gray);
  display: flex; align-items: center; justify-content: space-between;
}
.product-card__footer .btn { padding: 8px 18px; font-size: 0.78rem; }
.product-card__footer-label {
  font-size: 0.75rem; color: var(--text-light); font-family: var(--font-heading);
  font-weight: 600; letter-spacing: 0.06em;
}
.seal-svg { width: 72px; height: 72px; }

/* === CONTACT PAGE ========================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; align-items: start; }
.contact-info { }
.contact-info-block { margin-bottom: 40px; }
.contact-info-block h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 20px; }
.contact-detail {
  display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px;
}
.contact-detail:last-child { margin-bottom: 0; }
.contact-detail__icon {
  width: 40px; height: 40px; background: var(--gold-dim);
  border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-detail__icon svg { width: 20px; height: 20px; color: var(--gold); }
.contact-detail__label {
  font-size: 0.72rem; font-family: var(--font-heading); font-weight: 700;
  color: var(--text-light); letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 3px;
}
.contact-detail__value { font-size: 0.9375rem; color: var(--text-dark); font-weight: 500; }
.contact-detail__value a { color: var(--navy-mid); }
.contact-detail__value a:hover { color: var(--gold); }
.map-placeholder {
  background: linear-gradient(145deg, var(--light-gray), var(--border));
  border-radius: var(--radius-lg); height: 220px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); position: relative; overflow: hidden;
  margin-top: 24px;
}
.map-placeholder::before {
  content: ''; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(0,0,0,0.04) 0px, rgba(0,0,0,0.04) 1px, transparent 1px, transparent 40px),
                    repeating-linear-gradient(90deg, rgba(0,0,0,0.04) 0px, rgba(0,0,0,0.04) 1px, transparent 1px, transparent 40px);
}
.map-placeholder__inner {
  position: relative; z-index: 1; text-align: center; color: var(--text-light);
}
.map-placeholder__inner svg { width: 36px; height: 36px; margin: 0 auto 10px; opacity: 0.45; }
.map-placeholder__inner span {
  font-size: 0.75rem; font-family: var(--font-heading); font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.5; display: block;
}
.contact-form-wrap {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--border); padding: 40px; box-shadow: var(--shadow-md);
}
.contact-form-wrap h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-size: 0.8rem; font-family: var(--font-heading); font-weight: 600;
  color: var(--text-dark); letter-spacing: 0.05em;
}
.form-group label span { color: var(--gold); }
.form-control {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border);
  border-radius: var(--radius); font-size: 0.9375rem; color: var(--text-dark);
  background: var(--white); transition: border-color 0.25s ease, box-shadow 0.25s ease;
  outline: none;
}
.form-control:focus {
  border-color: var(--navy-mid); box-shadow: 0 0 0 3px rgba(17, 24, 39, 0.1);
}
textarea.form-control { resize: vertical; min-height: 120px; line-height: 1.65; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.form-submit { width: 100%; padding: 15px; font-size: 0.9rem; border-radius: var(--radius); justify-content: center; }
.form-success {
  display: none; text-align: center; padding: 40px 20px;
}
.form-success.visible { display: block; }
.form-success__icon {
  width: 64px; height: 64px; background: rgba(5,150,105,0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin: 0 auto 16px;
}
.form-success__icon svg { width: 32px; height: 32px; color: var(--success); }
.form-success h3 { font-size: 1.25rem; margin-bottom: 8px; }
.form-success p { color: var(--text-light); font-size: 0.9375rem; }

/* === FOOTER ================================================ */
.footer {
  background: var(--navy); color: rgba(255,255,255,0.65);
  padding: 72px 0 0;
  border-top: 1px solid rgba(201,168,76,0.15);
}
.footer__grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px; margin-bottom: 56px;
}
.footer__col h4 {
  font-family: var(--font-heading); font-size: 0.75rem; font-weight: 700;
  color: var(--gold); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 20px;
}
.footer__brand-name {
  font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800;
  color: var(--white); margin-bottom: 6px; letter-spacing: 0.02em;
}
.footer__brand-sub {
  font-size: 0.72rem; color: var(--gold); letter-spacing: 0.12em;
  text-transform: uppercase; margin-bottom: 16px;
}
.footer__brand-desc { font-size: 0.875rem; line-height: 1.7; margin-bottom: 24px; }
.footer__social { display: flex; gap: 10px; }
.social-icon {
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.social-icon:hover { border-color: var(--gold); background: var(--gold-dim); }
.social-icon svg { width: 18px; height: 18px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
  font-size: 0.875rem; color: rgba(255,255,255,0.6);
  transition: var(--transition);
}
.footer__links a:hover { color: var(--gold); padding-left: 4px; }
.footer__contact-item {
  display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 0.875rem;
}
.footer__contact-item svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0; display: flex;
  justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer__copy { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer__copy a { color: var(--gold); }
.footer__legal { display: flex; gap: 20px; }
.footer__legal a { font-size: 0.8rem; color: rgba(255,255,255,0.35); transition: var(--transition); }
.footer__legal a:hover { color: var(--gold); }

/* === SCROLL ANIMATIONS ===================================== */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-right.visible { opacity: 1; transform: translateX(0); }

/* === RESPONSIVE ============================================ */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: 60px; }
  .hero__visual { display: none; }
  .hero__content { max-width: 100%; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .stat-item:nth-child(3), .stat-item:last-child { border-bottom: none; }
}

@media (max-width: 768px) {
  :root { --nav-h: 68px; }
  .section { padding: 64px 0; }
  .navbar__nav  { display: none; }
  .navbar__right .lang-toggle { display: none; }
  .hamburger { display: flex; }
  .hero h1 { font-size: 2.2rem; }
  .hero__cta { gap: 12px; }
  .intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .intro-image { order: -1; }
  .product-highlights-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .story-grid { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 540px) {
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}