/* ========================================
   ANLIANCE - Premium Feed Additives
   Self-contained static site CSS
   ======================================== */

/* --- CSS Variables --- */
:root {
  --blue: #2E7BC4;
  --blue-dark: #235C8A;
  --blue-light: #E8F1FA;
  --green: #6BB84B;
  --orange: #F4902A;
  --red: #EF4444;
  --gray-50: #F5F7FA;
  --gray-100: #F1F5F9;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #374151;
  --gray-800: #111827;
  --gray-900: #111827;
  --white: #FFFFFF;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.1);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: .3s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn--primary { background: var(--orange); color: var(--white); }
.btn--primary:hover { background: #EA580C; }
.btn--outline {
  border-color: var(--blue);
  color: var(--blue);
  background: transparent;
}
.btn--outline:hover { background: var(--blue); color: var(--white); }
.btn--outline-light {
  border-color: rgba(255,255,255,.6);
  color: var(--white);
  background: transparent;
}
.btn--outline-light:hover { background: rgba(255,255,255,.15); border-color: var(--white); }
.btn--sm { padding: 8px 20px; font-size: 13px; }
.btn--lg { padding: 16px 36px; font-size: 15px; }

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition);
}
.header.scrolled {
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 71px;
}
.logo { display: flex; align-items: center; flex-shrink: 0; gap: 10px; }
.logo img { height: 48px; width: auto; }
.logo__text { font-size: 24px; font-weight: 800; letter-spacing: -.01em; color: var(--blue-dark); }

.nav {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 20px;
}
.nav__list {
  display: flex;
  gap: 24px;
}
.nav__link {
  font-weight: 500;
  font-size: 15px;
  color: var(--gray-600);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--blue);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav__link:hover, .nav__link.active { color: var(--blue); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }

.header__right {
  display: flex; align-items: center;
  gap: 16px;
}
.lang-toggle {
  font-size: 13px; font-weight: 500;
  color: var(--gray-500);
  letter-spacing: .02em;
}
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none;
  cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 900px) {
  .nav { position: absolute; top: 80px; left: 0; right: 0;
    background: var(--white); border-top: 1px solid var(--gray-200);
    padding: 20px; display: none; box-shadow: var(--shadow-md); }
  .nav.open { display: block; }
  .nav__list { flex-direction: column; gap: 16px; }
  .hamburger { display: flex; }
  .lang-toggle, .header__right .btn { display: none; }
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex; align-items: center;
  overflow: hidden;
  padding-top: 80px;
}
.hero__slides { position: absolute; inset: 0; z-index: 0; }
.hero__slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity .9s ease;
}
.hero__slide.active { opacity: 1; }
.hero__overlay {
  position: absolute; inset: 0; z-index: 0;
  background: rgba(0,0,0,.4);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 56rem;
  margin: 0 auto;
  padding: 60px 0;
}
.hero__title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: -.02em;
  text-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.hero__subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(255,255,255,.92);
  margin-bottom: 36px;
  line-height: 1.5;
  text-shadow: 0 1px 8px rgba(0,0,0,.2);
}
.hero__ctas {
  display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap;
}
.hero__arrow {
  position: absolute; top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.6);
  background: rgba(0,0,0,.25);
  color: var(--white);
  font-size: 24px; line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.hero__arrow:hover { background: rgba(0,0,0,.45); border-color: var(--white); }
.hero__arrow--prev { left: 24px; }
.hero__arrow--next { right: 24px; }
.hero__dots {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex; gap: 8px;
}
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.5);
  border: 2px solid rgba(255,255,255,.8);
  cursor: pointer; transition: all var(--transition);
}
.dot.active { background: var(--white); border-color: var(--white); transform: scale(1.2); }

/* Hero multi-slide content (each slide has its own title/subtitle) */
.hero__contents {
  position: absolute; inset: 0; z-index: 2;
  display: grid;
}
.hero__content {
  grid-area: 1 / 1;
  align-self: center;
  justify-self: center;
  width: 100%;
  max-width: 56rem;
  padding: 60px 24px;
  opacity: 0;
  transition: opacity .6s ease;
  pointer-events: none;
}
.hero__content.active { opacity: 1; pointer-events: auto; }

@media (max-width: 768px) {
  .hero { min-height: 75vh; }
  .hero__content { padding: 40px 0; }
  .hero__ctas { flex-direction: column; align-items: center; }
  .hero__arrow { display: none; }
  .hero__dots { bottom: 20px; }
}

/* ========================================
   SECTIONS COMMON
   ======================================== */
.section { padding: 48px 0; }
.section__head { text-align: center; max-width: 650px; margin: 0 auto 48px; }
.section__title {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -.01em;
}
.section__desc {
  font-size: 17px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ========================================
   PRODUCT CARDS
   ======================================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--transition);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.card__icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  transition: transform var(--transition);
}
.card:hover .card__icon { transform: scale(1.1) rotate(-3deg); }
.card__icon svg { width: 32px; height: 32px; }
.card__icon--blue { background: var(--blue-light); color: var(--blue); }
.card__icon--green { background: #EAF6E4; color: var(--green); }
.card__icon--orange { background: #FDF0E1; color: var(--orange); }
.card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.card__list {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px;
  margin-bottom: 24px;
  font-size: 15px;
  color: var(--gray-500);
}
.card__list li::before { content: ''; display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--blue); vertical-align: middle; margin-right: 8px; }

/* View More buttons colored per category */
.card--blue .btn--outline { border-color: var(--blue); color: var(--blue); }
.card--blue .btn--outline:hover { background: var(--blue); color: #fff; }
.card--green .btn--outline { border-color: var(--green); color: var(--green); }
.card--green .btn--outline:hover { background: var(--green); color: #fff; }
.card--orange .btn--outline { border-color: var(--orange); color: var(--orange); }
.card--orange .btn--outline:hover { background: var(--orange); color: #fff; }

/* ========================================
   STATS
   ======================================== */
.stats {
  background: var(--gray-50);
  padding: 48px 0;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item { padding: 12px; }
.stat-item__icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.stat-item__icon svg { width: 28px; height: 28px; }
.stat-item:nth-child(1) .stat-item__icon { background: var(--blue); }
.stat-item:nth-child(2) .stat-item__icon { background: var(--green); }
.stat-item:nth-child(3) .stat-item__icon { background: var(--orange); }
.stat-item:nth-child(4) .stat-item__icon { background: var(--blue); }
.stat-item__num {
  display: block;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--blue-dark);
  line-height: 1.1;
}
.stat-item__label {
  display: block;
  font-size: 14px;
  color: var(--gray-500);
  margin-top: 4px;
  font-weight: 500;
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

/* ========================================
   CERTIFICATIONS
   ======================================== */
.certs {
  padding: 48px 0;
  text-align: center;
  background: var(--white);
}
.certs__title {
  font-size: 28px; font-weight: 800; color: var(--blue-dark);
  margin-bottom: 8px;
}
.certs__desc {
  font-size: 16px; color: var(--gray-500);
  margin-bottom: 40px;
}
.certs-grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cert-badge {
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 36px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  min-width: 140px;
  transition: all var(--transition);
}
.cert-badge:hover {
  border-color: var(--blue);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.cert-badge__name {
  font-size: 22px; font-weight: 800; color: var(--blue-dark);
}
.cert-badge__detail {
  font-size: 14px; color: var(--gray-500); font-weight: 500; margin-top: 2px; }
.cert-badge--green .cert-badge__name { color: var(--green); }
.cert-badge--green:hover { border-color: var(--green); }
.cert-badge--orange .cert-badge__name { color: var(--orange); }
.cert-badge--orange:hover { border-color: var(--orange); }
.cert-badge--blue .cert-badge__name { color: var(--blue); }
.cert-badge--blue:hover { border-color: var(--blue); }

/* ========================================
   WHY CHOOSE US
   ======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  border: 1px solid var(--gray-200);
}
.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--blue);
  transform: translateY(-4px);
}
.feature-card__icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: transform var(--transition);
}
.feature-card:hover .feature-card__icon { transform: scale(1.1); }
.feature-card__icon svg { width: 28px; height: 28px; }
.feature-card__icon--blue { background: #EFF6FF; color: var(--blue); }
.feature-card__icon--green { background: #ECFDF5; color: var(--green); }
.feature-card__icon--orange { background: #FFF7ED; color: var(--orange); }
.feature-card__title {
  font-size: 18px; font-weight: 700; color: var(--gray-900);
  margin-bottom: 10px;
}
.feature-card__text {
  font-size: 15px; color: var(--gray-500); line-height: 1.65; }

/* ========================================
   CTA BANNER
   ======================================== */
.cta-banner {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  padding: 48px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(249,115,22,.1) 0%, transparent 40%);
}
.cta-banner__inner { position: relative; z-index: 1; }
.cta-banner__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}
.cta-banner__text {
  font-size: 18px;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
  max-width: 550px;
  margin-left: auto; margin-right: auto;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--blue);
  color: rgba(255,255,255,.82);
  padding: 48px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo img { height: 32px; width: auto; display: block; margin-bottom: 16px; }
.footer-tagline { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.82); margin-bottom: 20px; }
.footer-social {
  display: flex; gap: 12px;
}
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,.15);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--white); color: var(--blue); }

.footer-col__title {
  font-size: 15px; font-weight: 700; color: var(--white);
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px; color: rgba(255,255,255,.82);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--white); }
.footer-contact li {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 14px; line-height: 1.6;
  margin-bottom: 14px; color: rgba(255,255,255,.82);
}
.footer-contact svg { flex-shrink: 0; margin-top: 3px; color: rgba(255,255,255,.7); width: 18px; height: 18px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.25);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.7);
}

@media (max-width: 900px) {
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .offices-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .footer__inner { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .certs { padding: 48px 0; }
  .cta-banner { padding: 48px 0; }
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.animate-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.animate-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: .15s; }
.delay-2 { transition-delay: .3s; }
.delay-3 { transition-delay: .45s; }

/* ========================================
   PRINT
   ======================================== */
@media print {
  .header, .hamburger, .hero__dots, .cta-banner { display: none; }
  .hero { min-height: auto; padding: 20px 0; }
  body { color: #000; }
}

/* ========================================
   PRODUCTS BANNER (real image)
   ======================================== */
.products-banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 40px;
  height: 260px;
  box-shadow: var(--shadow-md);
}
.products-banner img { width: 100%; height: 100%; object-fit: cover; }

/* ========================================
   ABOUT US
   ======================================== */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about__media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about__badge {
  position: absolute; left: 20px; bottom: 20px;
  background: var(--orange); color: var(--white);
  border-radius: 12px; padding: 14px 20px;
  display: flex; flex-direction: column; line-height: 1.1;
  box-shadow: var(--shadow-md);
}
.about__badge-num { font-size: 28px; font-weight: 800; }
.about__badge-label { font-size: 12px; opacity: .92; }
.section__title--left { text-align: left; }
.about .section__title { font-size: 30px; }
.contact .section__title { font-size: 28px; }
.about__lead {
  font-size: 19px; font-weight: 600; color: var(--blue-dark);
  margin-bottom: 18px; line-height: 1.4;
}
.about__text { font-size: 16px; color: var(--gray-600); margin-bottom: 14px; line-height: 1.75; }
.about__points { margin: 20px 0 28px; display: flex; flex-direction: column; gap: 12px; }
.about__points li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 15px; color: #334155; font-weight: 500; line-height: 1.5;
}
.about__points svg { width: 20px; height: 20px; color: var(--green); flex-shrink: 0; margin-top: 2px; }

/* ========================================
   NEWS
   ======================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.news-card__media { height: 200px; overflow: hidden; }
.news-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-card__media img { transform: scale(1.06); }
.news-card__body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card__date { font-size: 13px; font-weight: 600; color: var(--orange); margin-bottom: 8px; }
.news-card__title { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.4; }
.news-card__excerpt { font-size: 14px; color: var(--gray-500); line-height: 1.65; margin-bottom: 16px; flex: 1; }
.news-card__link { font-size: 14px; font-weight: 600; color: var(--blue); transition: color var(--transition); }
.news-card__link:hover { color: var(--blue-dark); }

/* ========================================
   CONTACT
   ======================================== */
.contact__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact__form {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex; flex-direction: column; gap: 16px;
}
.contact__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact__form input,
.contact__form textarea,
.contact__form select {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-family: inherit; font-size: 15px;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.contact__form select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7280' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.contact__form input:focus,
.contact__form textarea:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.contact__form textarea { resize: vertical; }
.contact__info { display: flex; flex-direction: column; gap: 22px; }
.contact__info-item { display: flex; gap: 14px; align-items: flex-start; }
.contact__info-item svg { width: 22px; height: 22px; color: var(--blue); flex-shrink: 0; margin-top: 2px; }
.contact__info-item strong { display: block; font-size: 14px; color: var(--gray-500); font-weight: 600; margin-bottom: 3px; }
.contact__info-item p { font-size: 16px; color: var(--gray-800); font-weight: 500; line-height: 1.5; }

/* ========================================
   RESPONSIVE - new sections
   ======================================== */
@media (max-width: 768px) {
  .about__inner { grid-template-columns: 1fr; gap: 32px; }
  .contact__inner { grid-template-columns: 1fr; gap: 32px; }
  .contact__row { grid-template-columns: 1fr; }
  .products-banner { height: 200px; }
}

/* ========================================
   PAGE HERO (inner pages: Products / About / News / Contact)
   ======================================== */
.page-hero {
  position: relative;
  padding: 140px 0 68px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  color: var(--white);
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 15% 30%, rgba(255,255,255,.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(244,144,42,.14) 0%, transparent 45%);
}
.page-hero__inner { position: relative; z-index: 1; }
.page-hero__title {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -.02em;
}
.page-hero__subtitle {
  font-size: clamp(15px, 2vw, 19px);
  color: rgba(255,255,255,.88);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ========================================
   FILTER TABS (Products / News)
   ======================================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}
.filter-tab {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tab:hover { border-color: var(--blue); color: var(--blue); }
.filter-tab.active { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* ========================================
   PRODUCTS PAGE - product grid
   ======================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.product-card__cat {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
  text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px;
  margin-bottom: 14px;
}
.product-card__cat--blue { background: var(--blue-light); color: var(--blue); }
.product-card__cat--green { background: #EAF6E4; color: var(--green); }
.product-card__cat--orange { background: #FDF0E1; color: var(--orange); }
.product-card__name { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.product-card__cas {
  font-size: 13px; color: var(--gray-400);
  font-family: 'SFMono-Regular', Consolas, monospace;
  margin-bottom: 14px;
}
.product-card__spec {
  font-size: 14px; font-weight: 600; color: var(--blue-dark);
  background: var(--gray-50); border-radius: 8px;
  padding: 10px 14px; margin-bottom: 14px; line-height: 1.5;
}
.product-card__desc { font-size: 14px; color: var(--gray-500); line-height: 1.65; margin-bottom: 22px; flex: 1; }
.product-card__btn { align-self: flex-start; }

/* ========================================
   ABOUT PAGE - commitment list
   ======================================== */
.commitment-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.commitment-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition);
}
.commitment-item:hover { box-shadow: var(--shadow-md); border-color: var(--blue); transform: translateY(-3px); }
.commitment-item__title { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.commitment-item__text { font-size: 15px; color: var(--gray-500); line-height: 1.65; }

/* ========================================
   CONTACT PAGE - offices
   ======================================== */
.offices-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.office-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: all var(--transition);
}
.office-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); transform: translateY(-3px); }
.office-card__city { font-size: 16px; font-weight: 700; color: var(--blue-dark); margin-bottom: 8px; }
.office-card__addr { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.contact__divider { height: 1px; background: var(--gray-200); margin: 48px 0; }
.contact__offices { margin-top: 56px; }

/* ========================================
   RESPONSIVE - multi-page additions
   ======================================== */
@media (max-width: 768px) {
  .page-hero { padding: 120px 0 52px; }
  .product-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .commitment-list { grid-template-columns: 1fr; }
  .offices-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
}