/* ===== CSS Variables - Light Cyan Theme ===== */
:root {
  --color-bg: #e8f5f5;
  --color-bg-secondary: #d4eeee;
  --color-surface: #ffffff;
  --color-surface-hover: #f0fafa;
  --color-border: rgba(0, 100, 100, 0.1);
  --color-border-light: rgba(0, 100, 100, 0.15);
  --color-text: #1a3a3a;
  --color-text-secondary: #4a6a6a;
  --color-text-muted: #6a8a8a;
  --color-primary: #0097a7;
  --color-primary-dark: #00838f;
  --color-primary-light: #00acc1;
  --color-accent: #26a69a;
  --color-success: #00897b;
  --gradient-primary: linear-gradient(
    135deg,
    #0097a7 0%,
    #26a69a 50%,
    #00897b 100%
  );
  --gradient-bg: radial-gradient(ellipse at top, #d4eeee 0%, #e8f5f5 50%);
  --shadow-sm: 0 2px 8px rgba(0, 100, 100, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 100, 100, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 100, 100, 0.15);
  --shadow-glow: 0 0 30px rgba(0, 151, 167, 0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(0, 151, 167, 0.3);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--color-border-light);
  color: var(--color-text);
}
.btn-outline:hover {
  background: var(--color-surface);
  border-color: var(--color-primary);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover {
  color: var(--color-text);
}
.btn-white {
  background: white;
  color: var(--color-primary-dark);
}
.btn-white:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}
.btn-ghost-light {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.3);
}
.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}
.btn-full {
  width: 100%;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: #ffffff;
  border-bottom: 1px solid rgba(0, 100, 100, 0.12);
  box-shadow: 0 2px 20px rgba(0, 100, 100, 0.1);
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 12px 0;
  box-shadow: 0 4px 30px rgba(0, 100, 100, 0.15);
  border-bottom-color: rgba(0, 151, 167, 0.2);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-text);
}
.logo-icon {
  color: var(--color-primary);
  font-size: 24px;
}
.logo-suffix {
  color: var(--color-text-muted);
  font-weight: 400;
}
.nav-links {
  display: flex;
  gap: 32px;
}
.nav-links a {
  color: var(--color-text);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--color-primary);
}
.nav-actions {
  display: flex;
  gap: 12px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding: 120px 0 60px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 80% 60% at 50% 0%,
      rgba(0, 151, 167, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      ellipse 60% 40% at 80% 20%,
      rgba(38, 166, 154, 0.08) 0%,
      transparent 40%
    );
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 100, 100, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 100, 100, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.3) 0%, transparent 70%);
}
.hero-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}
.hero-title {
  font-size: clamp(36px, 7vw, 60px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.highlight-text {
  color: var(--color-primary);
}
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}
.hero-subtitle strong {
  color: var(--color-text);
}

/* ===== About Section - Corporate Style ===== */
.about-section {
  padding: 100px 0;
  background: var(--color-bg-secondary);
  position: relative;
}
.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0.3;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.about-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}
.about-block:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.about-block:hover::before {
  opacity: 1;
}

.block-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.block-icon {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(0, 151, 167, 0.12) 0%, rgba(38, 166, 154, 0.08) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  transition: var(--transition);
}
.about-block:hover .block-icon {
  transform: scale(1.1);
  background: linear-gradient(135deg, rgba(0, 151, 167, 0.2) 0%, rgba(38, 166, 154, 0.15) 100%);
}
.block-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
}

.block-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}
.block-text strong {
  color: var(--color-text);
  font-weight: 600;
}

.block-highlight {
  background: linear-gradient(135deg, rgba(0, 151, 167, 0.06) 0%, rgba(38, 166, 154, 0.03) 100%);
  border-left: 3px solid var(--color-primary);
  padding: 18px 22px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
}
.block-highlight p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}

.block-conclusion {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin: 0;
}
.block-conclusion em {
  color: var(--color-primary-dark);
  font-style: italic;
}

/* Solution Block - Quote */
.block-quote {
  margin: 24px 0;
  padding: 20px 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  position: relative;
}
.block-quote::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 16px;
  font-size: 60px;
  color: var(--color-primary);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}
.block-quote blockquote {
  font-size: 15px;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
  margin: 0;
  padding-left: 8px;
}

.block-benefits {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}
.benefit-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: var(--transition);
}
.benefit-item:hover {
  background: linear-gradient(135deg, rgba(0, 151, 167, 0.08) 0%, rgba(38, 166, 154, 0.04) 100%);
}
.benefit-icon {
  width: 28px;
  height: 28px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}

/* Values Block */
.values-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0;
}
.value-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.value-item:hover {
  background: linear-gradient(135deg, rgba(0, 151, 167, 0.08) 0%, rgba(38, 166, 154, 0.04) 100%);
  transform: translateX(6px);
}
.value-marker {
  width: 10px;
  height: 10px;
  background: var(--gradient-primary);
  border-radius: 3px;
  flex-shrink: 0;
}
.value-item span {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

/* Responsive */
@media (max-width: 992px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

/* ===== Sections Common ===== */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}
.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(0, 151, 167, 0.1);
  border: 1px solid rgba(0, 151, 167, 0.2);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
}

/* ===== Vision Text ===== */
.vision-text {
  max-width: 900px;
  margin: 0 auto 60px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.vision-text p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.vision-text p:last-child {
  margin-bottom: 0;
}

/* ===== How It Works ===== */
.how-it-works {
  padding: 100px 0;
  background: var(--gradient-bg);
}
.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.step-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.step-number {
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.step-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}
.step-card p {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}
.step-features {
  font-size: 13px;
  color: var(--color-text-muted);
}
.step-features li {
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.step-features li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ===== Benefits ===== */
.benefits {
  padding: 100px 0;
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
}
.benefit-card:hover {
  border-color: var(--color-primary);
}
.benefit-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.benefit-card p {
  font-size: 14px;
  color: var(--color-text-secondary);
}
.benefit-featured {
  grid-column: span 1;
  grid-row: span 2;
  background: linear-gradient(
    135deg,
    rgba(0, 151, 167, 0.08) 0%,
    rgba(38, 166, 154, 0.04) 100%
  );
  border-color: rgba(0, 151, 167, 0.25);
}
.benefit-icon-large {
  font-size: 48px;
  margin-bottom: 16px;
}
.benefit-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 12px;
  background: rgba(0, 151, 167, 0.15);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--color-primary);
}

/* ===== Security ===== */
.security {
  padding: 100px 0;
  background: var(--color-bg-secondary);
}
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.security-content p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}
.security-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.security-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-check {
  width: 24px;
  height: 24px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: white;
  flex-shrink: 0;
}
.security-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.shield-animation {
  position: relative;
  width: 200px;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.shield-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 151, 167, 0.25);
  animation: ringPulse 3s ease-in-out infinite;
}
.r1 {
  width: 100%;
  height: 100%;
  animation-delay: 0s;
}
.r2 {
  width: 75%;
  height: 75%;
  animation-delay: 0.5s;
}
.r3 {
  width: 50%;
  height: 50%;
  animation-delay: 1s;
}
@keyframes ringPulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 1;
  }
}
.shield-core {
  font-size: 48px;
  z-index: 1;
}
.security-stats {
  display: flex;
  gap: 32px;
}
.sec-stat {
  text-align: center;
  color: var(--color-text-secondary);
}
.sec-stat span {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
}

/* ===== CTA ===== */
.cta-section {
  padding: 100px 0;
}
.cta-card {
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
}
.cta-card h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: white;
}
.cta-card p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 32px;
  color: white;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
  background: var(--color-bg-secondary);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-details {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text-secondary);
}
.contact-item a:hover {
  color: var(--color-primary);
}
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 151, 167, 0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== Footer ===== */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--color-border);
}
.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  margin-bottom: 40px;
}
.footer-brand {
  max-width: 280px;
}
.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-muted);
}
.footer-links {
  display: flex;
  gap: 60px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 13px;
  color: var(--color-text-muted);
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--color-primary);
}
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
}
.footer-bottom p + p {
  margin-top: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 992px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefit-featured {
    grid-column: span 2;
    grid-row: span 1;
  }
  .security-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }
  .steps-container {
    grid-template-columns: 1fr;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .benefit-featured {
    grid-column: span 1;
  }
  .footer-top {
    flex-direction: column;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 32px;
  }
  .cta-card {
    padding: 40px 24px;
  }
  .vision-text {
    padding: 24px;
  }
}