* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", sans-serif;
  color: #1f2933;
  background-color: #ffffff;
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #ffffffcc;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo span {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.03em;
}

.logo span span {
  color: #0077ff;
}

.nav {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
}

.nav a {
  position: relative;
  padding-bottom: 0.2rem;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background-color: #0077ff;
  transition: width 0.2s ease;
}

.nav a:hover::after {
  width: 100%;
}

/* Mobile Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 0.3rem 0.5rem;
  font-size: 1.2rem;
}

/* HERO */
.hero {
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at top left, #e0f2ff, #ffffff);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 2rem;
  align-items: center;
}

.hero h1 {
  font-size: 2.1rem;
  margin-bottom: 1rem;
  color: #111827;
}

.hero p {
  font-size: 0.98rem;
  margin-bottom: 1.5rem;
  color: #4b5563;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background-color: #0077ff;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #005fd1;
}

.btn-outline {
  border-color: #cbd5e1;
  color: #111827;
}

.btn-outline:hover {
  background-color: #f3f4f6;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.hero-tags span {
  font-size: 0.75rem;
  background: #e5f0ff;
  color: #1d4ed8;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

.hero-box {
  background: #ffffff;
  border-radius: 14px;
  padding: 1.4rem;
  box-shadow: 0 15px 40px rgba(15, 23, 42, 0.08);
  border: 1px solid #e5e7eb;
}

.hero-box h3 {
  margin-bottom: 0.6rem;
}

.hero-box p {
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
}

.hero-box ul {
  list-style: none;
}

.hero-box li::before {
  content: "•";
  color: #0077ff;
  margin-right: 0.4rem;
}

/* SECTIONS */
.section {
  padding: 3.5rem 0;
}

.section-gray {
  background-color: #f9fafb;
}

.section-title {
  font-size: 1.7rem;
  text-align: center;
  margin-bottom: 0.5rem;
  color: #111827;
}

.section-subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0.3rem auto 2rem;
  font-size: 0.95rem;
  color: #6b7280;
}

/* ABOUT */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 2rem;
  align-items: start;
}

.about-cards {
  display: grid;
  gap: 1rem;
}

.about-card {
  padding: 1rem;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  font-size: 0.9rem;
}

/* GRID */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

/* CARDS */
.card {
  background: #ffffff;
  border-radius: 14px;
  padding: 1.3rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.card p {
  font-size: 0.9rem;
  color: #4b5563;
  margin-bottom: 0.8rem;
}

.card-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
}

.card-list li {
  margin-bottom: 0.25rem;
}

.card-list li::before {
  content: "✓";
  color: #10b981;
  margin-right: 0.4rem;
}

.card-footer {
  font-size: 0.8rem;
  color: #6b7280;
}

.small-card {
  box-shadow: none;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-list {
  list-style: none;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.contact-list li {
  margin-bottom: 0.3rem;
}

.note {
  font-size: 0.78rem;
  color: #9ca3af;
}

/* FORM */
.contact-form {
  background-color: #ffffff;
  border-radius: 14px;
  padding: 1.4rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.contact-form h3 {
  margin-bottom: 0.8rem;
}

.form-group {
  margin-bottom: 0.75rem;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  margin-bottom: 0.25rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #d1d5db;
  padding: 0.5rem 0.6rem;
  font-size: 0.9rem;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #0077ff;
  box-shadow: 0 0 0 1px rgba(0, 119, 255, 0.15);
}

.btn-full {
  width: 100%;
}

.form-note {
  font-size: 0.78rem;
  color: #9ca3af;
  margin-top: 0.4rem;
}

/* FOOTER */
.footer {
  background-color: #0f172a;
  color: #e5e7eb;
  padding: 1.2rem 0;
  font-size: 0.8rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
}

.footer a {
  color: #93c5fd;
}

.footer-small {
  opacity: 0.8;
}

/* RESPONSIVE */
@media (max-width: 900px) {

  .hero-inner,
  .two-column,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4rem;
  }
}

@media (max-width: 768px) {
  .nav {
    position: absolute;
    top: 56px;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem 1rem;
    width: 200px;
    border-bottom-left-radius: 10px;
    border-left: 1px solid #e5e7eb;
    border-bottom: 1px solid #e5e7eb;
    display: none;
  }

  .nav.show {
    display: flex;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero h1 {
    font-size: 1.6rem;
  }
}

/* PRODUCTS PAGE */

.product-hero {
  padding: 4rem 0 2.5rem;
  background: radial-gradient(circle at top left, #e0f2ff, #ffffff);
  border-bottom: 1px solid #e5e7eb;
}

.product-hero-inner h1 {
  font-size: 2rem;
  color: #111827;
  margin-bottom: 0.5rem;
}

.product-hero-inner p {
  font-size: 0.95rem;
  color: #4b5563;
  max-width: 700px;
}

.product-hero-note {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

/* Product Grid */

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.product-card {
  background: #ffffff;
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  padding: 1.2rem;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
  font-size: 0.9rem;
}

.product-card h3 {
  margin: 0.7rem 0 0.4rem;
  font-size: 1.05rem;
}

.product-card p {
  font-size: 0.88rem;
  color: #4b5563;
  margin-bottom: 0.6rem;
}

.product-card ul {
  list-style: none;
  padding-left: 0;
  font-size: 0.85rem;
  color: #4b5563;
}

.product-card ul li {
  margin-bottom: 0.25rem;
}

.product-card ul li::before {
  content: "•";
  color: #0077ff;
  margin-right: 0.35rem;
}

/* Product Images */

.product-image {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #e5e7eb;
  background-color: #f3f4f6;
  max-height: 200px;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Small responsive tweak */
@media (max-width: 600px) {
  .product-hero-inner h1 {
    font-size: 1.5rem;
  }
}