:root {
  --bg: #f4fbff;
  --surface: #ffffff;
  --surface-strong: #e7fbff;
  --text: #102a43;
  --text-muted: #4f6d7a;
  --primary: #0b94a4;
  --primary-dark: #0b7c87;
  --accent: #6dd1d8;
  --border: rgba(11, 148, 164, 0.15);
  --shadow: 0 24px 50px rgba(11, 148, 164, 0.08);

}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Poppins', Inter, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(109, 209, 216, 0.20), transparent 35%),
    linear-gradient(180deg, #f4fbff 0%, #f8fcff 100%);
  color: var(--text);
}

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

button,
input,
select {
  font: inherit;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(22px);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(15, 125, 142, 0.14);
  box-shadow: 0 10px 30px rgba(15, 125, 142, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
  min-height: 92px;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.8rem;
  background: rgba(255, 255, 255, 0.98);
  border-radius: 1.8rem;
  box-shadow: 0 10px 24px rgba(15, 125, 142, 0.08);
}

.brand-logo {
  display: block;
  width: 180px;
  max-height: 76px;
  height: auto;
  object-fit: contain;
}

.brand-mark {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-weight: 700;
}

.brand h1 {
  margin: 0;
  font-size: 1.2rem;
}

.brand p {
  margin: 0.25rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 2.2rem;
  flex-wrap: wrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.icon-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(11, 148, 164, 0.16);
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
  font-size: 1.05rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  position: relative;
}

.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(15, 125, 142, 0.12);
  background: white;
}

.badge {
  position: absolute;
  top: 8px;
  right: 8px;
  min-width: 16px;
  height: 16px;
  line-height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--primary);
  color: white;
  font-size: 0.7rem;
  text-align: center;
}

.hidden {
  display: none;
}

.nav-menu a,
footer a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color 0.25s ease, transform 0.25s ease;
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 999px;
  transition: width 0.25s ease;
}

.nav-menu a:hover {
  color: var(--primary-dark);
}

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

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.45rem;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 18px 30px rgba(11, 148, 164, 0.18);
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0f9aa3, #19c3d3);
  box-shadow: 0 20px 38px rgba(11, 148, 164, 0.22);
}

.btn-secondary {
  background: rgba(11, 148, 164, 0.08);
  color: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 1px solid rgba(11, 148, 164, 0.22);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.icon-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(11, 148, 164, 0.16);
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
  font-size: 1.05rem;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.icon-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 22px rgba(15, 125, 142, 0.12);
  background: white;
}

.btn-login {
  background: rgba(11, 148, 164, 0.12);
  color: var(--primary-dark);
  border: 1px solid rgba(11, 148, 164, 0.18);
  padding: 0.85rem 1.3rem;
}

.btn-login:hover {
  background: rgba(11, 148, 164, 0.18);
}

.btn-full {
  width: 100%;
}

.section {
  padding: 3rem 0;
}

.hero {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 460px);
  gap: 2.2rem;
  align-items: center;
  padding-top: 1rem;
}

.hero-copy {
  max-width: 34rem;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.hero h2,
.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 2.7vw, 4rem);
  line-height: 1.03;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 1.3rem 0 2rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-image {
  border-radius: 2rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

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

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.stat-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 20px 40px rgba(11, 148, 164, 0.08);
}

.stat-card h3 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  color: var(--primary);
}

.stat-card p {
  margin: 0;
  color: var(--text-muted);
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading h2 {
  margin-top: 0.5rem;
}

.product-grid,
.steps-grid,
.testimonial-grid,
.sell-grid {
  display: grid;
  gap: 1.5rem;
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card,
.step-card,
.testimonial-card,
.order-form {
  background: white;
  border-radius: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.product-card {
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.product-card img {
  width: 80%;
  height: 280px;
  padding:1.5rem;
  object-fit: cover;
  display: block;
}

.product-info {
  padding: 1.35rem;
  display: grid;
  gap: 0.85rem;
}

.product-info h3 {
  margin: 0;
}

.product-info p {
  margin: 0;
  color: var(--text-muted);
}

.price {
  font-weight: 700;
  color: var(--primary-dark);
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
  padding: 2rem;
  text-align: center;
}

.step-card h3 {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background: var(--accent);
  color: var(--primary-dark);
}

.step-card p {
  margin: 0;
  color: var(--text-muted);
}

.testimonial-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sell-grid {
  grid-template-columns: 1.15fr 0.85fr;
  align-items: start;
  gap: 2rem;
}

.sell-benefits {
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
  color: var(--text-muted);
}

.sell-benefits li {
  margin-bottom: 0.8rem;
  list-style-type: disc;
}

.testimonial-card {
  padding: 2rem;
}

.testimonial-card p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.testimonial-card strong {
  display: block;
  color: var(--text);
}

.order-form {
  padding: 2rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

label {
  display: grid;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(11, 148, 164, 0.18);
  border-radius: 1rem;
  padding: 0.95rem 1rem;
  background: #f9feff;
  color: var(--text);
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(11, 148, 164, 0.12);
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
}

.contact-intro {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
}

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

.contact-item {
  background: white;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  cursor: pointer;
}

.contact-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 60px rgba(11, 148, 164, 0.15);
  border-color: var(--primary);
}

.contact-icon {
  font-size: 2.5rem;
  line-height: 1;
}

.contact-info h3 {
  margin: 0 0 0.5rem 0;
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 600;
}

.contact-info a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease, text-decoration 0.2s ease;
  word-break: break-word;
}

.contact-info a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(11, 148, 164, 0.32);
  padding: 1rem;
  z-index: 20;
}

.modal-card {
  width: min(460px, 100%);
  background: white;
  border-radius: 2rem;
  padding: 2rem;
  position: relative;
  box-shadow: 0 30px 60px rgba(2, 46, 57, 0.14);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: transparent;
  border: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--text-muted);
}

.login-form label {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}

.hidden {
  display: none;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .stats,
  .product-grid,
  .steps-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-menu {
    justify-content: flex-end;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-list img {
    width: 30px;
    height: 30px;
  }

}