/* ——— NAV ——— */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(26, 43, 76, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 2rem;
  transition: var(--transition);
}
nav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.15); }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.5rem; font-weight: 800; letter-spacing: 0.15em;
  color: var(--white); text-decoration: none;
}
.logo span { color: var(--gold); }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.8); text-decoration: none;
  font-size: 0.875rem; font-weight: 500; letter-spacing: 0.03em;
  transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--gold);
  transition: var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--white); }
.nav-links a.active::after { width: 100%; }

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

/* ——— HERO ——— */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  background:
    url('../img/hero-bg.svg') center / cover no-repeat,
    linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  position: relative; overflow: hidden;
  padding: 6rem 2rem 4rem;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(201,162,39,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: ''; position: absolute; bottom: -30%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,162,39,0.05) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center; position: relative; z-index: 1;
}
.hero-text h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800; color: var(--white);
  line-height: 1.15; margin-bottom: 1.5rem;
}
.hero-text h1 .highlight { color: var(--gold); }
.hero-text p {
  color: rgba(255,255,255,0.75); font-size: 1.125rem;
  max-width: 520px; margin-bottom: 2.5rem; line-height: 1.7;
}
.hero-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--gold); color: var(--navy);
  padding: 0.9rem 2rem; border-radius: 6px;
  font-weight: 600; font-size: 0.95rem;
  text-decoration: none; transition: var(--transition);
  letter-spacing: 0.02em;
}
.hero-cta:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,162,39,0.3); }
.hero-cta svg { width: 18px; height: 18px; transition: var(--transition); }
.hero-cta:hover svg { transform: translateX(4px); }

.hero-visual {
  display: flex; flex-direction: column; gap: 1.5rem;
}
.stat-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 1.75rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.stat-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.stat-number { font-size: 2rem; font-weight: 800; color: var(--gold); margin-bottom: 0.25rem; }
.stat-label { color: rgba(255,255,255,0.7); font-size: 0.875rem; font-weight: 500; }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

/* ——— ABOUT ——— */
.about { background: var(--grey-light); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: start;
}
.about-features { display: flex; flex-direction: column; gap: 1.5rem; }
.feature-item {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--white); padding: 1.5rem; border-radius: 10px;
  transition: var(--transition);
  border: 1px solid transparent;
}
.feature-item:hover { border-color: var(--gold); box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.feature-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: linear-gradient(135deg, var(--navy) 0%, #2a4270 100%);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
}
.feature-icon svg { width: 22px; height: 22px; color: var(--gold); }
.feature-item h4 { font-size: 0.95rem; font-weight: 600; color: var(--navy); margin-bottom: 0.35rem; }
.feature-item p { font-size: 0.875rem; color: #6b7280; line-height: 1.6; }

/* ——— WHY ARIVO / SERVICES ——— */
.services-grid, .why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.service-card, .why-card {
  background: var(--white); border: 1px solid #e5e7eb;
  border-radius: 12px; padding: 2rem;
  transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before, .why-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--navy));
  transform: scaleX(0); transform-origin: left;
  transition: var(--transition);
}
.service-card:hover, .why-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,0.08); }
.service-card:hover::before, .why-card:hover::before { transform: scaleX(1); }
.service-icon, .why-icon {
  width: 52px; height: 52px;
  background: var(--grey-light); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.service-icon svg, .why-icon svg { width: 26px; height: 26px; color: var(--navy); }
.service-card h3, .why-card h3 { font-size: 1.1rem; font-weight: 600; color: var(--navy); margin-bottom: 0.75rem; }
.service-card p, .why-card p { font-size: 0.9rem; color: #6b7280; line-height: 1.65; }

/* ——— PRODUCTS (Homepage Preview) ——— */
.products { background: var(--navy); color: var(--white); }
.products .section-tag { color: var(--gold); }
.products .section-title { color: var(--white); }
.products .section-subtitle { color: rgba(255,255,255,0.6); }
.products-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem;
}
.product-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 2rem;
  transition: var(--transition);
}
.product-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.product-emoji { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.product-card h3 { font-size: 1.25rem; font-weight: 600; color: var(--white); margin-bottom: 0.5rem; }
.product-card .product-count { font-size: 0.85rem; color: var(--gold); font-weight: 600; margin-bottom: 0.75rem; }
.product-card p { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.6; }
.product-specs {
  margin-top: 1rem; padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.spec-tag {
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em;
  background: rgba(201,162,39,0.15); color: var(--gold);
  padding: 0.3rem 0.7rem; border-radius: 20px;
}
.product-card .product-cta {
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin-top: 1.25rem;
  color: var(--gold); font-size: 0.875rem; font-weight: 600;
  text-decoration: none; transition: var(--transition);
}
.product-card .product-cta:hover { color: var(--gold-light); }
.product-card .product-cta svg { width: 16px; height: 16px; transition: var(--transition); }
.product-card .product-cta:hover svg { transform: translateX(4px); }

/* ——— CERTIFICATIONS ——— */
.certifications { background: var(--white); }
.cert-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.cert-card {
  text-align: center; padding: 2rem 1.5rem;
  border: 1px solid #e5e7eb; border-radius: 12px;
  transition: var(--transition);
}
.cert-card:hover { border-color: var(--gold); box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.cert-badge {
  width: 56px; height: 56px; margin: 0 auto 1rem;
  background: var(--grey-light); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.cert-badge svg { width: 28px; height: 28px; color: var(--navy); }
.cert-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--navy); margin-bottom: 0.35rem; }
.cert-card p { font-size: 0.8rem; color: #6b7280; line-height: 1.5; }
.cert-card .cert-status {
  display: inline-block; margin-top: 0.75rem;
  font-size: 0.7rem; font-weight: 600; letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem; border-radius: 20px;
}
.cert-status.active { background: rgba(34,197,94,0.1); color: #16a34a; }
.cert-status.progress { background: rgba(201,162,39,0.15); color: var(--gold); }

/* ——— LOGISTICS FLOW ——— */
.logistics { background: var(--grey-light); }
.logistics-flow {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; flex-wrap: wrap; margin-bottom: 3rem;
}
.logistics-step {
  text-align: center; padding: 1.5rem 1.25rem;
  background: var(--white); border-radius: 12px;
  border: 1px solid #e5e7eb;
  min-width: 140px; flex: 1;
  transition: var(--transition);
}
.logistics-step:hover { border-color: var(--gold); }
.logistics-step .step-icon {
  width: 44px; height: 44px; margin: 0 auto 0.75rem;
  background: linear-gradient(135deg, var(--navy) 0%, #2a4270 100%);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
}
.logistics-step .step-icon svg { width: 22px; height: 22px; color: var(--gold); }
.logistics-step h4 { font-size: 0.85rem; font-weight: 600; color: var(--navy); margin-bottom: 0.25rem; }
.logistics-step p { font-size: 0.75rem; color: #6b7280; }
.logistics-arrow {
  color: var(--gold); font-size: 1.25rem; font-weight: 700;
  flex-shrink: 0;
}
.logistics-details {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.logistics-detail {
  text-align: center; padding: 1.25rem;
}
.logistics-detail h4 { font-size: 0.85rem; font-weight: 600; color: var(--navy); margin-bottom: 0.25rem; }
.logistics-detail p { font-size: 0.85rem; color: #6b7280; }

/* ——— GETTING STARTED ——— */
.getting-started { background: var(--navy); color: var(--white); }
.getting-started .section-tag { color: var(--gold); }
.getting-started .section-title { color: var(--white); }
.getting-started .section-subtitle { color: rgba(255,255,255,0.6); }
.steps-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 1.5rem;
}
.step-card {
  text-align: center; padding: 1.5rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  transition: var(--transition);
  position: relative;
}
.step-card:hover { background: rgba(255,255,255,0.1); }
.step-num {
  width: 36px; height: 36px; margin: 0 auto 1rem;
  background: var(--gold); color: var(--navy);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.9rem;
}
.step-card h4 { font-size: 0.9rem; font-weight: 600; color: var(--white); margin-bottom: 0.35rem; }
.step-card p { font-size: 0.8rem; color: rgba(255,255,255,0.6); line-height: 1.5; }

/* ——— OFFICES ——— */
.offices { background: var(--grey-light); }
.offices-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.office-card {
  background: var(--white); border-radius: 12px;
  padding: 2rem; transition: var(--transition);
  border: 1px solid transparent;
}
.office-card:hover { border-color: var(--gold); }
.office-flag { font-size: 1.75rem; margin-bottom: 0.75rem; display: block; }
.office-card h3 { font-size: 1rem; font-weight: 600; color: var(--navy); margin-bottom: 0.25rem; }
.office-card .office-type { font-size: 0.8rem; color: var(--gold); font-weight: 600; margin-bottom: 0.75rem; }
.office-card p { font-size: 0.85rem; color: #6b7280; line-height: 1.6; }

/* ——— CONTACT ——— */
.contact { background: var(--navy); color: var(--white); }
.contact .section-tag { color: var(--gold); }
.contact .section-title { color: var(--white); }
.contact .section-subtitle { color: rgba(255,255,255,0.6); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  display: flex; gap: 1rem; align-items: flex-start;
}
.contact-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: rgba(201,162,39,0.15);
  border-radius: 10px; display: flex;
  align-items: center; justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; color: var(--gold); }
.contact-item h4 { font-size: 0.85rem; font-weight: 600; color: rgba(255,255,255,0.7); margin-bottom: 0.25rem; }
.contact-item p { font-size: 0.95rem; color: var(--white); }
.contact-item a { color: var(--gold); text-decoration: none; transition: var(--transition); }
.contact-item a:hover { color: var(--gold-light); }

.contact-form {
  display: flex; flex-direction: column; gap: 1rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: 0.85rem 1rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px; color: var(--white);
  font-family: var(--font-family); font-size: 0.9rem;
  transition: var(--transition);
}
.contact-form input::placeholder, .contact-form textarea::placeholder {
  color: rgba(255,255,255,0.4);
}
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: none; border-color: var(--gold);
  background: rgba(255,255,255,0.12);
}
.contact-form select option { background: var(--navy); color: var(--white); }
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button {
  background: var(--gold); color: var(--navy);
  padding: 0.9rem 2rem; border: none; border-radius: 8px;
  font-family: var(--font-family); font-weight: 600; font-size: 0.95rem;
  cursor: pointer; transition: var(--transition);
  letter-spacing: 0.02em;
}
.contact-form button:hover { background: var(--gold-light); transform: translateY(-2px); }

/* ——— FOOTER ——— */
footer {
  background: var(--navy-dark); color: rgba(255,255,255,0.5);
  padding: 2.5rem 2rem;
}
.footer-inner {
  max-width: var(--max-width); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-inner p { font-size: 0.8rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a {
  color: rgba(255,255,255,0.5); text-decoration: none;
  font-size: 0.8rem; transition: var(--transition);
}
.footer-links a:hover { color: var(--gold); }

/* ——— RESPONSIVE ——— */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid, .why-grid, .offices-grid, .cert-grid { grid-template-columns: 1fr 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
  .logistics-details { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--navy); padding: 1.5rem 2rem; gap: 1rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  }
  .services-grid, .why-grid, .offices-grid, .cert-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .logistics-flow { flex-direction: column; }
  .logistics-arrow { transform: rotate(90deg); }
  .logistics-details { grid-template-columns: 1fr; }
}