:root {
  --bg: #f7fafc;
  --card: #ffffff;
  --muted: #6b7280;
  --accent: #0ea5a0;
  --accent-2: #f59e0b;
  --glass: rgba(11,17,36,0.03);
  --radius: 14px;
  --container: 1100px;
  --max-width: 100%;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  background: linear-gradient(180deg,#ffffff 0%,#f3f4f6 100%);
  color: #071428;
  overflow-x: hidden;
}

/* ---------------- Core layout, header, nav, cards, etc. (from your original file) ---------------- */
/* Keep all your previous class rules here exactly as before — not re-pasted for brevity */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem;
}

/* ===========================
   HEADER
=========================== */
.site-header {
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(180deg, rgba(10, 15, 22, 0.6), rgba(10, 15, 22, 0.3));
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  text-decoration: none;
  color: inherit;
}

.logo img {
  width: 44px;
  height: 44px;
}

.logo span {
  font-weight: 600;
}

/* NAVIGATION */
.nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  padding: .45rem .6rem;
  border-radius: 8px;
  transition: all .22s;
}

.nav-link:hover {
  color: #fff;
  background: var(--glass);
  transform: translateY(-2px);
}

.cta {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #042126;
  padding: .5rem .75rem;
  border-radius: 8px;
}

/* ===========================
   HERO
=========================== */
.hero {
  padding: 4rem 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.1rem;
  line-height: 1.05;
  margin: 0 0 1rem;
}

.hero-text h1 span {
  display: block;
  font-weight: 600;
  color: var(--accent-2);
}

.hero-text p {
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.hero-art img {
  width: 100%;
  max-width: 420px;
  transform: translateY(0);
  transition: transform .8s cubic-bezier(.2, .9, .3, 1);
}

.hero-art img:hover {
  transform: translateY(-8px) rotate(-1deg);
}

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #042126;
  padding: .7rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(24, 169, 153, 0.08);
  transition: transform .18s, box-shadow .18s;
}

.btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(24, 169, 153, 0.12);
}

.btn.ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
}

/* ===========================
   FEATURES
=========================== */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.75rem;
}

.feature {
  background: var(--card);
  padding: 1.2rem;
  border-radius: 12px;
  text-align: center;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform .3s, box-shadow .3s;
}

.feature:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(2, 6, 23, 0.6);
}

/* ===========================
   PRODUCT GRID
=========================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.1rem;
}

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  padding: 1rem;
  border-radius: 12px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.03);
  transition: transform .25s, box-shadow .25s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(2, 6, 23, 0.6);
}

.card img {
  width: 100%;
  height: 140px;
  object-fit: contain;
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  padding: 8px;
}

.card h4 {
  margin: .6rem 0 0.35rem;
}

.card p {
  color: var(--muted);
  font-size: .94rem;
}

/* ===========================
   TESTIMONIALS
=========================== */
.testimonials {
  margin: 3rem 0;
  padding: 1.25rem;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.03);
}

.testimonials blockquote {
  margin: 0;
  padding: 0;
  font-style: italic;
  color: var(--muted);
}

/* ===========================
   FOOTER
=========================== */
.site-footer {
  margin-top: 3.5rem;
  padding: 2rem 0;
  border-top: 1px solid rgba(255,255,255,0.03);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
}

.footer-bottom {
  text-align: center;
  padding-top: 1rem;
  color: var(--muted);
}

/* ===========================
   CONTACT FORM (NEW FIX)
=========================== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  font-weight: 500;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  margin-top: 0.4rem;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  color: #fff;
  width: 100%;
  font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(24, 169, 153, 0.2);
}

.form-actions {
  text-align: right;
}

/* ===========================
   RESPONSIVE + ANIMATIONS
=========================== */

/* Layout and nav behavior */
@media (max-width:900px){
  .hero-grid { grid-template-columns:1fr; gap:2rem; }
  .features { grid-template-columns:1fr; }

  /* Hide desktop nav, show hamburger */
  .nav { display:none; }
  .hamburger { display:flex; }
}

@media (min-width:901px){
  .nav { display:flex; }
  .mobile-nav { display:none; }
  .hamburger { display:none; }
}

/* Mobile Nav + Animations */
@media (max-width:768px){
  .hamburger {
    width: 25px;
    height: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    z-index: 1001;
    position: fixed;
    top: 18px;
    right: 18px;
  }

  .hamburger span {
    display: block;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.active span:nth-child(2){opacity:0}
  .hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .mobile-nav {
    position: fixed;
    top: 0; right: -250px;
    width: 250px;
    height: 200%;
    background: #111;
    transition: right 0.4s ease-in-out;
    z-index: 1000;
    padding-top: 80px;
  }

  .mobile-nav.active { right: 0; }

  .mobile-nav ul {
    list-style: none; padding: 0; margin: 0; text-align: center;
  }

  .mobile-nav li { margin: 1.5rem 0; }

  .mobile-nav a {
    color: #fff; font-size: 1.2rem; text-decoration: none; transition: color 0.3s ease;
  }

  .mobile-nav a:hover { color: #f5c85a; }

  .overlay {
    display: none;
    position: fixed;
    top:0; left:0;
    width:100%; height:100%;
    background:rgba(0,0,0,0.5);
    z-index:999;
  }

  .overlay.active { display:block; }

  /* Contact section stack fix */
  .contact-grid {
    display: flex;
    flex-direction: column;
  }

  .contact-info {
    margin-top: 2rem;
  }

  /* Slide-right + fade-up effect for mobile */
  .fade-up {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s ease-out;
  }

  .fade-up.visible {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Default fade-up for desktop */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile slide-in for about page */
@media (max-width: 768px) {
  .about-page .about-hero {
    animation: slideRightIn 1s ease forwards;
  }

  @keyframes slideRightIn {
    from {
      transform: translateX(100%);
      opacity: 0;
    }
    to {
      transform: translateX(0);
      opacity: 1;
    }
  }
}
/* ---------------- Light-theme background effects ---------------- */
.bg-orbs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: floatOrbs 20s infinite ease-in-out;
}
.orb1 { background: var(--accent); width: 400px; height: 400px; top: -100px; left: -100px; animation-delay: 0s; }
.orb2 { background: var(--accent-2); width: 300px; height: 300px; bottom: -150px; right: -80px; animation-delay: 5s; }
.orb3 { background: #60a5fa; width: 350px; height: 350px; top: 60%; left: 40%; animation-delay: 10s; }

@keyframes floatOrbs {
  0%,100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(30px,-40px) scale(1.1); }
}

/* Parallax dots */
.bg-dots {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.bg-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(14,165,132,0.15);
  border-radius: 50%;
  top: calc(100% * var(--randY, .5));
  left: calc(100% * var(--randX, .5));
  transition: transform 0.2s linear;
}

.grade-card {
  background: linear-gradient(135deg, rgba(14,165,132,0.08), rgba(245,158,11,0.08));
  border: 1px solid rgba(14,165,132,0.1);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px rgba(11,17,36,0.05);
}
.grade-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 28px rgba(14,165,132,0.15);
  background: linear-gradient(135deg, rgba(14,165,132,0.15), rgba(245,158,11,0.15));
}
.grade-card h3 {
  margin-bottom: 0.8rem;
  color: #071428;
  font-weight: 600;
  font-size: 1.2rem;
}
.grade-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}
.btn-catalogue {
  display: inline-block;
  padding: 0.9rem 1.8rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(14,165,132,0.2);
}

.btn-catalogue:hover {
  background: var(--accent-2);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245,200,90,0.3);
}