/* ============================================================
   ALFACHEM ENTERPRISE LTD — Main Stylesheet
   ============================================================ */

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

/* ---- CSS Variables ---- */
:root {
  --navy: #0D1F3C;
  --navy-mid: #152747;
  --blue: #1D3A8A;
  --teal: #1A7A45;
  --teal-light: #22A05A;
  --gold: #1D3A8A;
  --gold-light: #2A4FA8;
  --white: #F8FAFC;
  --gray-100: #EEF2F7;
  --gray-200: #D1DCE8;
  --gray-400: #8A9BB5;
  --gray-600: #4A5E7A;
  --text: #0D1E35;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(10,22,40,0.08);
  --shadow-md: 0 8px 32px rgba(10,22,40,0.14);
  --shadow-lg: 0 20px 60px rgba(10,22,40,0.2);
  --radius: 4px;
  --radius-lg: 12px;
}

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

/* ---- Utility ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--dark { background: var(--navy); color: var(--white); }
.section--mid { background: var(--navy-mid); color: var(--white); }
.section--gray { background: var(--gray-100); }

.eyebrow {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
  display: block;
  margin-bottom: 12px;
}
.eyebrow--gold { color: var(--gold); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
  line-height: 1.7;
}
.section--dark .section-subtitle,
.section--mid .section-subtitle { color: var(--gray-200); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-primary {
  background: var(--teal);
  color: var(--navy);
}
.btn-primary:hover { background: var(--teal-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,122,69,0.35); }
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-gold {
  background: var(--gold);
  color: var(--navy);
}
.btn-gold:hover { background: var(--gold-light); transform: translateY(-2px); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(13,31,60,0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.nav-logo-icon {
  height: 58px;
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 4px 0;
}
.nav-logo-icon svg { width: 40px; height: 26px; }
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.nav-logo-text span:first-child {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--white);
  text-transform: uppercase;
}
.nav-logo-text span:last-child {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 16px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-links a.active { color: var(--teal); }
.nav-cta {
  background: var(--teal) !important;
  color: var(--navy) !important;
  padding: 8px 20px !important;
}
.nav-cta:hover { background: var(--teal-light) !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: 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); }

.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0; right: 0;
  background: var(--navy);
  padding: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  z-index: 999;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: var(--transition);
}
.mobile-menu a:hover { color: var(--teal); padding-left: 8px; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,31,60,0.92) 0%, rgba(13,31,60,0.65) 60%, rgba(26,122,69,0.12) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(26,122,69,0.15);
  border: 1px solid rgba(26,122,69,0.3);
  border-radius: 999px;
  margin-bottom: 28px;
}
.hero-badge span {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-title .accent { color: var(--teal); }
.hero-title .gold { color: var(--gold); }

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.hero-stat {}
.hero-stat__num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  color: var(--white);
}
.hero-stat__num span { color: var(--teal); }
.hero-stat__label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 4px;
}

/* ============================================================
   TICKER
   ============================================================ */
.ticker {
  background: var(--teal);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
  max-width: 100vw;
}
.ticker-inner {
  display: inline-flex;
  animation: ticker-scroll 35s linear infinite;
}
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0 32px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--navy);
}
.ticker-item::before {
  content: '◆';
  color: var(--navy);
  opacity: 0.4;
  font-size: 0.5rem;
}
@keyframes ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================================
   ABOUT STRIP
   ============================================================ */
.about-strip {
  padding: 96px 0;
  overflow: hidden;
}
.about-strip .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
  overflow: visible;
}
.about-img-main {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about-badge-float {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: var(--navy);
  color: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 160px;
}
.about-badge-float__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--teal);
  line-height: 1;
}
.about-badge-float__text {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 4px;
  line-height: 1.3;
}
.about-content {}
.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}
.pillar {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pillar-icon {
  width: 44px;
  height: 44px;
  background: rgba(26,122,69,0.1);
  border: 1px solid rgba(26,122,69,0.2);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
}
.pillar-text h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pillar-text p { font-size: 0.9rem; color: var(--gray-600); line-height: 1.6; }

/* ============================================================
   PRODUCTS SECTION / PAGE
   ============================================================ */
.products-hero {
  padding: 160px 0 80px;
  background: var(--navy);
  text-align: center;
}
.products-hero .section-subtitle { margin: 0 auto; color: var(--gray-200); }

.product-categories {
  padding: 60px 0 96px;
  background: var(--white);
}

/* Filter tabs */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
  justify-content: center;
}
.filter-tab {
  padding: 9px 20px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.filter-tab:hover { border-color: var(--teal); color: var(--teal); background: rgba(26,122,69,0.06); }
.filter-tab.active { background: var(--teal); color: var(--navy); border-color: var(--teal); }

/* Product grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--teal);
}
.product-card__header {
  padding: 28px 24px 20px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.product-card__formula {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.04em;
}
.product-card__icon {
  width: 40px; height: 40px;
  background: var(--navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__icon svg { width: 20px; height: 20px; color: var(--teal); }
.product-card__body { padding: 20px 24px 24px; }
.product-card__name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 8px;
}
.product-card__desc {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 16px;
}
.product-card__tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tag {
  padding: 4px 10px;
  background: rgba(26,122,69,0.08);
  border: 1px solid rgba(26,122,69,0.2);
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: 999px;
}

/* search */
.products-search {
  position: relative;
  max-width: 480px;
  margin: 0 auto 40px;
}
.products-search input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.products-search input:focus { border-color: var(--teal); background: var(--white); box-shadow: 0 0 0 3px rgba(26,122,69,0.1); }
.products-search__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}

/* ============================================================
   SERVICES / FEATURES
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
}
.feature-block {
  padding: 40px 32px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.feature-block:hover { background: rgba(26,122,69,0.07); border-color: rgba(26,122,69,0.2); }
.feature-block__num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(26,122,69,0.2);
  line-height: 1;
  margin-bottom: 16px;
}
.feature-block__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 10px;
}
.feature-block__text { font-size: 0.9rem; color: var(--gray-400); line-height: 1.6; }

/* ============================================================
   SECTORS
   ============================================================ */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 48px;
}
.sector-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  cursor: default;
}
.sector-chip:hover { border-color: var(--teal); background: rgba(26,122,69,0.04); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.sector-chip__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}
.sector-chip__name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--navy);
  line-height: 1.2;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section {
  padding: 96px 0;
  background: var(--gray-100);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}
.contact-info {}
.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
  color: var(--navy);
}
.contact-info p { color: var(--gray-600); line-height: 1.7; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-item__icon {
  width: 44px; height: 44px;
  background: var(--navy);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--teal);
}
.contact-item__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 2px;
}
.contact-item__value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
}
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 28px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-600);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(26,122,69,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand p {
  font-size: 0.9rem;
  color: var(--gray-400);
  line-height: 1.7;
  margin: 16px 0 24px;
  max-width: 300px;
}
.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
}
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: var(--transition);
  word-break: break-word;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: var(--gray-400);
}
.footer-bottom a { color: var(--teal); }

/* ============================================================
   PAGE-SPECIFIC HEROES
   ============================================================ */
.page-hero {
  padding: 160px 0 80px;
  background: var(--navy);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,122,69,0.08) 0%, transparent 70%);
  pointer-events: none;
  overflow: hidden;
}
.page-hero .section-subtitle { max-width: 620px; margin: 0 auto; }

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.mission-section { padding: 96px 0; }
.mission-section .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 48px;
}
.value-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.value-card:hover { background: rgba(26,122,69,0.07); border-color: rgba(26,122,69,0.25); }
.value-card__icon { font-size: 2rem; margin-bottom: 12px; }
.value-card__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 8px;
}
.value-card__text { font-size: 0.88rem; color: var(--gray-400); line-height: 1.6; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-strip .container,
  .mission-section .container { grid-template-columns: 1fr; gap: 48px; }
  .about-badge-float { bottom: 16px; right: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .sectors-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-title { font-size: clamp(2.4rem, 8vw, 3.5rem); }
  .hero-stats { gap: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { text-align: center; display: flex; flex-direction: column; align-items: center; }
  .footer-brand p { max-width: 100%; }
  .footer-brand .btn { display: inline-flex; }
  .footer-col { text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }
  .form-row { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
  .sectors-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 10px; }
  .sector-chip { padding: 12px 16px; }
  /* Fix the inline sectors image grid */
  .sectors-img-grid { grid-template-columns: 1fr 1fr !important; }
  /* Constrain about badge so it doesn't escape the visual block */
  .about-badge-float { position: relative; bottom: auto; right: auto; margin-top: 16px; display: inline-block; }
  .about-visual { overflow: visible; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .sectors-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .sector-chip { padding: 12px 14px; gap: 8px; }
  .sector-chip__icon { font-size: 1.2rem; }
  .sector-chip__name { font-size: 0.78rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  /* Stack image grid to 1 column on very small screens */
  .sectors-img-grid { grid-template-columns: 1fr !important; }
  /* Keep hero stats readable */
  .hero-stats { gap: 20px; }
  .hero-stat__num { font-size: 2.2rem; }
  /* Prevent filter tabs from overflowing */
  .filter-tabs { gap: 6px; }
  .filter-tab { padding: 7px 14px; font-size: 0.78rem; }
}

/* Scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1), transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }