/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #4A90D9;
  --primary-dark: #3A7BC8;
  --primary-light: #E8F1FB;
  --accent: #F5A623;
  --text: #2C3E50;
  --text-light: #6B7C93;
  --bg: #FFFFFF;
  --bg-alt: #F7F9FC;
  --border: #E1E8EF;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

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

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

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

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo-img {
  height: 36px;
  width: auto;
}


.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  border-bottom-color: var(--text);
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-selector select {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}

.lang-selector select:focus {
  border-color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
  padding: 100px 2rem 80px;
  background: linear-gradient(160deg, #f0f4fa 0%, #ffffff 40%, #f7f5fb 70%, #faf8f0 100%);
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-image {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero-image img {
  max-width: 384px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.hero-image img:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 15px rgba(74,144,217,0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74,144,217,0.4);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ===== Sections ===== */
.section {
  padding: 80px 2rem;
}

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

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Features Grid ===== */
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-grid {
  grid-template-columns: repeat(3, 1fr);
  max-width: 900px;
}

.why-grid .feature-card {
  padding: 1.2rem;
}

.why-grid .feature-icon {
  font-size: 2rem;
}

.feature-card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  border: 1px solid var(--border);
  text-align: center;
}

.feature-icon {
  margin: 0 auto;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 150px;
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-icon img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ===== Testimonials ===== */
.testimonials {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

.testimonial-card p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial-author {
  font-size: 0.9rem;
  color: var(--text-light);
  font-weight: 600;
  font-style: normal;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
}

.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.appstore-badge {
  display: inline-block;
  transition: transform var(--transition);
}

.appstore-badge:hover {
  transform: translateY(-2px);
}

.appstore-badge img {
  height: 50px;
  width: auto;
}

.cta-section .appstore-badge img {
  height: 55px;
}

.cta-section .btn {
  background: white;
  color: var(--primary);
  font-weight: 700;
}

.cta-section .btn:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* ===== FAQ ===== */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
}

.faq-question:hover {
  background: var(--bg-alt);
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-question::after {
  content: "-";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ===== Contact ===== */
.contact-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact-form .form-group {
  margin-bottom: 1.25rem;
}

.contact-form label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
  background: white;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74,144,217,0.1);
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.form-success {
  display: none;
  padding: 1rem;
  background: #d4edda;
  color: #155724;
  border-radius: 8px;
  margin-top: 1rem;
  font-weight: 500;
}

.form-error {
  display: none;
  padding: 1rem;
  background: #f8d7da;
  color: #721c24;
  border-radius: 8px;
  margin-top: 1rem;
  font-weight: 500;
}

.contact-info {
  padding-top: 0.5rem;
}

.contact-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}

.contact-info-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-info-item p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.5;
}

.contact-info-item strong {
  color: var(--text);
}

/* ===== Support page heading ===== */
.page-hero {
  padding: 130px 2rem 50px;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 100%);
}

.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Support Contact CTA ===== */
.support-cta {
  text-align: center;
  padding: 3rem 2rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.support-cta p {
  font-size: 1.1rem;
  color: var(--text-light);
}

.support-cta a {
  font-weight: 600;
}

/* ===== Privacy Page ===== */
.privacy-content {
  max-width: 800px;
  margin: 0 auto;
}

.privacy-content .privacy-intro {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.privacy-content h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.privacy-content p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.privacy-content strong {
  color: var(--text);
}

/* ===== Footer ===== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 3rem 2rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand h3 {
  color: white;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

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

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
}

/* ===== Showcase ===== */
.showcase-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.showcase-item img {
  max-width: 280px;
  height: auto;
  margin-bottom: 1rem;
}

.showcase-item h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.showcase-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    gap: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .hero-image img {
    max-width: 312px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .showcase-grid {
    grid-template-columns: 1fr;
  }

  .testimonials {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .footer-container {
    flex-direction: column;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}