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

:root {
  --color-primary: #1a5276;
  --color-primary-dark: #0e3a57;
  --color-accent: #2ecc71;
  --color-accent-dark: #27ae60;
  --color-bg: #f8f9fa;
  --color-bg-alt: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #6c7a89;
  --color-border: #dee2e6;
  --color-hero-gradient-start: #1a5276;
  --color-hero-gradient-end: #2e86c1;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --radius: 8px;
  --max-width: 1140px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-dark);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── Header ── */
.site-header {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--color-accent);
}

.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 4px 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.25s ease;
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
}

/* ── Hero ── */
.hero {
  background: linear-gradient(135deg, var(--color-hero-gradient-start), var(--color-hero-gradient-end));
  color: #fff;
  padding: 80px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.2;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto 30px;
  opacity: 0.92;
  line-height: 1.6;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Sections ── */
.section {
  padding: 70px 20px;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 14px;
  color: var(--color-primary-dark);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ── Cards Grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.25s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-primary-dark);
}

.card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ── Features List ── */
.features-list {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.feature-row {
  display: flex;
  gap: 40px;
  align-items: center;
}

.feature-row:nth-child(even) {
  flex-direction: row-reverse;
}

.feature-content {
  flex: 1;
}

.feature-visual {
  flex: 1;
  background: linear-gradient(135deg, #e8f0fe, #d4e6f1);
  border-radius: var(--radius);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.feature-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-primary-dark);
}

.feature-content p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 8px;
}

/* ── Comparison Table ── */
.comparison-wrapper {
  max-width: 800px;
  margin: 0 auto;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison-table thead th {
  background: var(--color-primary);
  color: #fff;
  padding: 14px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
}

.comparison-table tbody td {
  padding: 13px 20px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.93rem;
}

.comparison-table tbody tr:nth-child(even) {
  background: var(--color-bg);
}

.comparison-table tbody tr:hover {
  background: #e8f4fd;
}

.check {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.1rem;
}

.cross {
  color: #e74c3c;
  font-weight: 700;
  font-size: 1.1rem;
}

/* ── Testimonials ── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.testimonial {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.testimonial blockquote {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.65;
  font-size: 0.97rem;
}

.testimonial .author {
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.9rem;
}

.stars {
  color: #f1c40f;
  margin-bottom: 10px;
  font-size: 1rem;
  letter-spacing: 2px;
}

/* ── FAQ ── */
.faq-list {
  max-width: 740px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
}

.faq-item summary {
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  color: var(--color-primary-dark);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-text-light);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  margin-top: 12px;
  color: var(--color-text-light);
  line-height: 1.65;
  font-size: 0.95rem;
}

/* ── CTA Banner ── */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-hero-gradient-end));
  color: #fff;
  text-align: center;
  padding: 60px 20px;
}

.cta-banner h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.cta-banner p {
  font-size: 1.05rem;
  opacity: 0.9;
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ── */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 50px 20px 30px;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.8;
  max-width: 300px;
}

.footer-links h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 24px;
  margin-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.15);
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.7;
}

/* ── About Page ── */
.page-header {
  background: linear-gradient(135deg, var(--color-hero-gradient-start), var(--color-hero-gradient-end));
  color: #fff;
  padding: 50px 20px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-header p {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto;
}

.content-block {
  max-width: 780px;
  margin: 0 auto;
  padding: 50px 20px;
}

.content-block h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
  margin-top: 36px;
}

.content-block h2:first-child {
  margin-top: 0;
}

.content-block p {
  color: var(--color-text-light);
  margin-bottom: 16px;
  line-height: 1.75;
}

.content-block ul {
  color: var(--color-text-light);
  margin-left: 20px;
  margin-bottom: 16px;
}

.content-block li {
  margin-bottom: 8px;
  line-height: 1.6;
}

/* ── Privacy Page ── */
.legal-content {
  max-width: 780px;
  margin: 0 auto;
  padding: 50px 20px;
}

.legal-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content p {
  color: var(--color-text-light);
  margin-bottom: 14px;
  line-height: 1.7;
  font-size: 0.95rem;
}

.legal-content ul {
  color: var(--color-text-light);
  margin-left: 20px;
  margin-bottom: 14px;
}

.legal-content li {
  margin-bottom: 6px;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero {
    padding: 50px 20px;
  }
  .hero h1 {
    font-size: 1.9rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .section {
    padding: 50px 20px;
  }
  .section-title {
    font-size: 1.6rem;
  }
  .feature-row,
  .feature-row:nth-child(even) {
    flex-direction: column;
  }
  .feature-visual {
    min-height: 160px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .nav-toggle {
    display: block;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-alt);
    flex-direction: column;
    padding: 16px 20px;
    gap: 12px;
    box-shadow: var(--shadow-md);
    border-top: 1px solid var(--color-border);
  }
  .main-nav.open {
    display: flex;
  }
  .comparison-table thead th,
  .comparison-table tbody td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }
  .btn {
    padding: 12px 24px;
    font-size: 0.93rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}