:root {
  --primary: #0f766e;
  --primary-hover: #115e59;
  --dark: #1e293b;
  --dark-sub: #334155;
  --light: #f8fafc;
  --white: #ffffff;
  --accent: #f59e0b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #e0f2fe 0%, #ccfbf1 100%);
  color: var(--dark-sub);
  line-height: 1.6;
  min-height: 100vh;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: var(--white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  background: var(--primary);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 20px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-weight: bold;
  color: var(--dark);
  font-size: 18px;
}

.brand-sub {
  font-size: 12px;
  color: var(--primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 24px;
}

.nav-link {
  font-weight: 500;
  color: var(--dark);
  transition: color 0.3s;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
}

.header-cta-btn {
  background: var(--primary);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: bold;
  transition: background 0.3s;
}

.header-cta-btn:hover {
  background: var(--primary-hover);
}

/* Common Section */
.section-padding {
  padding: 60px 0;
}

.glass-card {
  background: var(--white);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.section-head {
  text-align: center;
  margin-bottom: 40px;
}

.section-subtitle {
  color: var(--primary);
  font-weight: bold;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 1px;
}

.section-title {
  color: var(--dark);
  font-size: 32px;
  margin-top: 8px;
}

/* Hero Section */
.hero-section {
  padding: 40px 0;
}

.hero-tag-box {
  background: rgba(15, 118, 110, 0.1);
  color: var(--primary);
  display: inline-block;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 42px;
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero-title span {
  color: var(--primary);
}

.hero-lead {
  font-size: 18px;
  margin-bottom: 30px;
}

.top-photos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.top-photo-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 12px;
}

.top-photo-caption {
  text-align: center;
  margin-top: 10px;
  font-weight: 500;
  color: var(--dark);
}

/* Effects Grid */
.effects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.effect-card {
  background: var(--light);
  padding: 24px;
  border-radius: 12px;
  text-align: center;
}

.effect-icon {
  font-size: 32px;
  margin-bottom: 12px;
}

/* Certificates */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.cert-card {
  background: var(--light);
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid #e2e8f0;
}

.cert-icon-badge {
  font-size: 40px;
  margin-bottom: 15px;
}

/* Order Section */
.order-section {
  padding: 60px 0;
}

.single-order-card {
  background: var(--white);
  max-width: 500px;
  margin: 0 auto;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
}

.order-header-tag {
  background: var(--accent);
  color: var(--white);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
  text-transform: uppercase;
}

.single-order-card h2 {
  margin: 15px 0 5px;
  color: var(--dark);
}

.single-pack-box img {
  margin: 20px 0;
  max-width: 100%;
  height: auto;
}

.price-display-box {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 24px;
}

.minimal-form {
  text-align: left;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--dark);
}

.form-input {
  width: 100%;
  padding: 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 16px;
}

.btn-order-submit {
  width: 100%;
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 15px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-order-submit:hover {
  background: var(--primary-hover);
}

.validation-hint {
  display: none;
  color: #ef4444;
  font-size: 12px;
  margin-top: 5px;
}

/* Interactive Quiz */
.quiz-container {
  background: var(--light);
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 30px;
  text-align: center;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.quiz-btn {
  background: var(--white);
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 12px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
}

.quiz-btn:hover {
  background: var(--primary);
  color: var(--white);
}

.quiz-result {
  display: none;
  background: #ecfdf5;
  color: #065f46;
  padding: 20px;
  border-radius: 8px;
  margin-top: 20px;
}

/* Footer */
footer {
  background: var(--dark);
  color: var(--white);
  padding: 60px 0 20px;
  margin-top: 40px;
}

.footer-company-card {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--primary);
  margin-bottom: 15px;
}

.footer-btn-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
}

.footer-legal-btn {
  background: transparent;
  color: #94a3b8;
  border: 1px solid #475569;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
}

.footer-legal-btn:hover {
  color: var(--white);
  border-color: var(--primary);
}

.footer-bottom {
  text-align: center;
  color: #64748b;
  font-size: 14px;
  border-top: 1px solid #334155;
  padding-top: 20px;
}