/* Speedwave Landing Page Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  --color-primary: #6B46C1;
  --color-primary-hover: #5B21B6;
  --color-primary-light: #F3E8FF;
  --color-primary-dark: #4C1D95;
  
  --color-white: #FFFFFF;
  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #F9FAFB;
  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;
  
  --color-text-primary: #111827;
  --color-text-secondary: #6B7280;
  --color-text-tertiary: #9CA3AF;
  --color-text-inverse: #FFFFFF;
  
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(107, 70, 193, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(107, 70, 193, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(107, 70, 193, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

button, input {
  font: inherit;
}

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

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: inline-block;
}

.section-title {
  font-family: var(--font-headings);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-normal);
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--color-bg-primary);
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

.btn-secondary:hover {
  background-color: var(--color-bg-secondary);
  border-color: var(--color-text-tertiary);
  transform: translateY(-2px);
}

/* --- Layout Components --- */

/* Header / Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition-normal);
}

header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-secondary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.btn-login {
  font-weight: 600;
  color: var(--color-text-primary);
}

.btn-login:hover {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  background: radial-gradient(circle at 90% 10%, var(--color-primary-light) 0%, rgba(255, 255, 255, 0) 60%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  text-align: left;
}

.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero h1 {
  font-family: var(--font-headings);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 85%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  padding: 0.5rem;
  transition: var(--transition-normal);
}

.hero-image img:hover {
  transform: translateY(-5px);
}

/* Alternating Features Showcase */
.features-showcase {
  padding: 6rem 0;
  background-color: var(--color-bg-secondary);
}

.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
  margin-bottom: 6rem;
}

.showcase-row:last-child {
  margin-bottom: 0;
}

.showcase-row.reverse .showcase-col-image {
  order: -1;
}

.showcase-col-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.showcase-col-text h3 {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--color-text-primary);
}

.showcase-col-text p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.showcase-col-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.showcase-col-image img {
  max-width: 80%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  padding: 0.5rem;
  transition: var(--transition-normal);
}

.showcase-col-image img:hover {
  transform: scale(1.03);
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  border-top: 1px solid var(--color-border);
  padding-top: 2rem;
  width: 100%;
  max-width: 700px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.trust-icon {
  font-size: 1.25rem;
}

/* Features Section */
.features {
  padding: 6rem 0;
  background-color: var(--color-bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(107, 70, 193, 0.2);
}

.feature-icon-wrapper {
  width: 3.5rem;
  height: 3.5rem;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.975rem;
  line-height: 1.5;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: var(--color-border);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: 2rem 3rem;
  position: relative;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 1rem;
  height: 1rem;
  right: -0.5rem;
  background-color: var(--color-white);
  border: 4px solid var(--color-primary);
  border-radius: 50%;
  top: 2.5rem;
  z-index: 1;
}

.timeline-left {
  left: 0;
  text-align: right;
}

.timeline-right {
  left: 50%;
}

.timeline-right::after {
  left: -0.5rem;
}

.timeline-number {
  font-family: var(--font-headings);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.timeline-item h3 {
  font-family: var(--font-headings);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.timeline-item p {
  color: var(--color-text-secondary);
}

/* Testimonials Section */
.testimonials {
  padding: 6rem 0;
  background-color: var(--color-bg-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: 1rem;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--color-primary);
}

.author-info h4 {
  font-weight: 600;
  font-size: 0.95rem;
}

.author-info p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* Security Regulatory Banner */
.security-banner {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  text-align: center;
}

.security-content {
  max-width: 800px;
  margin: 0 auto;
}

.security-banner h2 {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.security-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.security-badges {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

/* FAQ Section */
.faq {
  padding: 6rem 0;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.5rem 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  background: none;
  border: none;
  font-family: var(--font-headings);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  padding: 0.5rem 0;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-primary);
  transition: var(--transition-fast);
}

.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  color: var(--color-text-secondary);
  font-size: 0.975rem;
}

.faq-item.active .faq-answer {
  max-height: 12rem;
  padding-top: 1rem;
}

/* CTA Banner */
.cta-banner {
  padding: 6rem 0;
  text-align: center;
  background-color: var(--color-primary-light);
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cta-banner h2 {
  font-family: var(--font-headings);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.cta-banner p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
}

/* Legal Pages Template Styling */
.legal-page {
  padding-top: 8rem;
  padding-bottom: 6rem;
}

.legal-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 3rem;
}

.legal-header h1 {
  font-family: var(--font-headings);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.legal-header p {
  color: var(--color-text-secondary);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h3 {
  font-family: var(--font-headings);
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.legal-content p {
  color: var(--color-text-secondary);
  margin-bottom: 1.25rem;
  font-size: 0.975rem;
  line-height: 1.7;
}

.legal-content ul {
  list-style-type: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.975rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
}

/* Footer Section */
footer {
  background-color: var(--color-text-primary);
  color: var(--color-white);
  padding: 5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h3 {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.7;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.footer-links h4 {
  font-family: var(--font-headings);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  font-size: 0.9rem;
  opacity: 0.7;
}

.footer-link:hover {
  opacity: 1;
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-disclaimer {
  font-size: 0.8rem;
  opacity: 0.5;
  line-height: 1.5;
}

.footer-copyright {
  font-size: 0.85rem;
  opacity: 0.6;
  text-align: center;
  margin-top: 1rem;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 5rem;
    left: -100%;
    right: 0;
    bottom: 0;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    padding: 3rem 1.5rem;
    gap: 2rem;
    align-items: flex-start;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-actions {
    display: none; /* Can be embedded in mobile nav menu if desired */
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .timeline::after {
    left: 1.5rem;
  }
  
  .timeline-item {
    width: 100%;
    text-align: left;
    padding-left: 3rem;
    padding-right: 0;
  }
  
  .timeline-left {
    text-align: left;
  }
  
  .timeline-right {
    left: 0;
  }
  
  .timeline-item::after {
    left: 1rem;
    right: auto;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }

  .hero-text {
    align-items: center;
  }

  .hero-trust {
    justify-content: center;
  }

  .showcase-row {
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
  }

  .showcase-row.reverse .showcase-col-image {
    order: 0;
  }

  .showcase-col-text {
    align-items: center;
    text-align: center;
  }

  .showcase-col-image img {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}