@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --background: hsl(210, 4%, 98%);
  --foreground: hsl(210, 6%, 12%);
  --border: hsl(210, 4%, 90%);
  --card: hsl(210, 4%, 96%);
  --card-foreground: hsl(210, 6%, 12%);
  --card-border: hsl(210, 4%, 88%);
  --primary: hsl(192, 32%, 46%);
  --primary-foreground: hsl(0, 0%, 100%);
  --secondary: hsl(210, 6%, 88%);
  --secondary-foreground: hsl(210, 6%, 12%);
  --muted: hsl(210, 6%, 90%);
  --muted-foreground: hsl(210, 5%, 38%);
  --accent: hsl(210, 8%, 91%);
  --destructive: hsl(0, 72%, 48%);
  --chart-1: hsl(192, 32%, 46%);
  --chart-2: hsl(165, 75%, 38%);
  --chart-3: hsl(285, 65%, 42%);
  --chart-4: hsl(32, 88%, 45%);
  --chart-5: hsl(345, 75%, 48%);
  --radius: 0.5rem;
  --font-sans: 'Raleway', sans-serif; 
  --font-display: 'Raleway', sans-serif; 
}

/*  
  --font-sans: 'Space Grotesk', sans-serif;<br>
  --font-display: 'Space Grotesk', sans-serif;
  --font-sans: 'Merriweather', serif;<br>
  --font-display: 'Merriweather', serif;
  --font-sans: 'Lora', serif;<br>
  --font-display: 'Lora', serif;

/*font-family: 'Poppins', sans-serif;
font-family: 'Montserrat', sans-serif;
font-family: 'Space Grotesk';
font-family: 'Raleway', sans-serif;
font-family: 'Orbitron', sans-serif;
*/
*/


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

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.font-display {
  font-family: var(--font-display);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: #2A7486;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  height: 40px;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-name {
  font-family: 'Raleway', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: #ffffff;
}

.brand-name sup {
  font-size: 0.3em;
  font-style: italic;
  vertical-align: super;
}

.nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}

.nav-link:hover {
  color: rgba(255, 255, 255, 0.8);
}

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

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  background: none;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
}

/* Button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-outline {
  background-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  color: var(--foreground);
  border-color: var(--border);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--muted-foreground);
}

.btn-ghost:hover {
  background-color: var(--muted);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, 
    rgba(250, 250, 250, 0.6) 0%,
    rgba(250, 250, 250, 0.8) 50%,
    rgba(250, 250, 250, 1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 56rem;
  margin: 0 auto;
  padding: 8rem 1.5rem;
  text-align: center;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.25rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.25rem;
  }
}

@media (min-width: 768px) {
  .hero h1 {
    white-space: nowrap;
    text-align: center;
    width: 100%;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 4rem;
  }
}

.hero h1 span {
  color: var(--primary);
  font-size: 0.7em;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 48rem;
  margin: 0 auto 2rem;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.25rem;
  }
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--chart-2);
}

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

@media (min-width: 768px) {
  .section {
    padding: 8rem 0;
  }
}

.section-muted {
  background-color: rgba(var(--muted), 0.3);
  background-color: hsl(210, 6%, 95%);
}

.section-header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto 4rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.875rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 3rem;
  }
}

.section-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
}

/* Card */
.card {
  background-color: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all 0.2s;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Benefits Grid */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-icon {
  width: 48px;
  height: 48px;
  border-radius: 0.5rem;
  background-color: rgba(95, 145, 158, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  color: var(--primary);
}

.benefit-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.benefit-description {
  color: var(--muted-foreground);
}

/* Use Cases */
.use-case-card {
  padding: 2rem;
}

@media (min-width: 768px) {
  .use-case-card {
    padding: 3rem;
  }
}

.use-case-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

.use-case-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  background-color: var(--secondary);
  color: var(--secondary-foreground);
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.use-case-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .use-case-title {
    font-size: 1.875rem;
  }
}

.use-case-approach {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.approach-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.approach-icon.problem {
  background-color: rgba(220, 38, 38, 0.1);
  color: var(--destructive);
}

.approach-icon.solution {
  background-color: rgba(22, 163, 74, 0.1);
  color: var(--chart-2);
}

.approach-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.approach-text {
  color: var(--muted-foreground);
  padding-left: 2rem;
}

.approach-text.solution {
  color: var(--foreground);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  padding: 1.5rem;
  background-color: rgba(95, 145, 158, 0.05);
  border: 1px solid rgba(95, 145, 158, 0.2);
  border-radius: var(--radius);
}

.metric-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--primary);
}

.progress-flow {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background-color: var(--muted);
  border-radius: var(--radius);
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background-color: var(--background);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 9999px;
}

.progress-fill.step-1 { width: 20%; background-color: var(--primary); }
.progress-fill.step-2 { width: 60%; background-color: var(--primary); }
.progress-fill.step-3 { width: 100%; background-color: var(--chart-2); }

.progress-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  min-width: 60px;
}

.progress-arrow {
  text-align: center;
  color: var(--muted-foreground);
}

/* Platform Architecture */
.architecture-flow {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 4rem;
}

@media (min-width: 1024px) {
  .architecture-flow {
    display: flex;
  }
}

.architecture-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
}

.architecture-card {
  flex: 1;
  padding: 1.5rem;
  text-align: center;
  border-radius: var(--radius);
  border: 1px solid;
  transition: all 0.2s;
}

.architecture-card:hover {
  transform: translateY(-2px);
}

.architecture-card.step-1 { background-color: rgba(95, 145, 158, 0.1); border-color: rgba(95, 145, 158, 0.2); }
.architecture-card.step-2 { background-color: rgba(22, 163, 74, 0.1); border-color: rgba(22, 163, 74, 0.2); }
.architecture-card.step-3 { background-color: rgba(147, 51, 234, 0.1); border-color: rgba(147, 51, 234, 0.2); }
.architecture-card.step-4 { background-color: rgba(234, 88, 12, 0.1); border-color: rgba(234, 88, 12, 0.2); }
.architecture-card.step-5 { background-color: rgba(236, 72, 153, 0.1); border-color: rgba(236, 72, 153, 0.2); }

.architecture-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.architecture-title.step-1 { color: var(--chart-1); }
.architecture-title.step-2 { color: var(--chart-2); }
.architecture-title.step-3 { color: var(--chart-3); }
.architecture-title.step-4 { color: var(--chart-4); }
.architecture-title.step-5 { color: var(--chart-5); }

.architecture-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.architecture-arrow {
  color: var(--muted-foreground);
  flex-shrink: 0;
}

.architecture-mobile {
  display: block;
  margin-bottom: 4rem;
}

@media (min-width: 1024px) {
  .architecture-mobile {
    display: none;
  }
}

.architecture-mobile-step {
  margin-bottom: 0.5rem;
}

.architecture-mobile-arrow {
  text-align: center;
  padding: 0.5rem 0;
  color: var(--muted-foreground);
}

.sustainability-card {
  padding: 2rem;
  background-color: hsl(210, 6%, 95%);
  text-align: center;
}

@media (min-width: 768px) {
  .sustainability-card {
    padding: 3rem;
  }
}

.sustainability-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.sustainability-text {
  color: var(--muted-foreground);
  max-width: 56rem;
  margin: 0 auto;
}

/* Comparison Table */
.comparison-card {
  overflow: hidden;
  padding: 0;
}

.comparison-header {
  display: grid;
}

@media (min-width: 768px) {
  .comparison-header {
    grid-template-columns: repeat(3, 1fr);
  }
}

.comparison-header-cell {
  padding: 1.5rem 2rem;
}

.comparison-header-cell:first-child {
  background-color: hsl(210, 6%, 95%);
}

.comparison-header-cell:last-child {
  background-color: rgba(95, 145, 158, 0.05);
}

.comparison-header-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
}

.comparison-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.comparison-icon.traditional {
  background-color: var(--muted);
  color: var(--muted-foreground);
}

.comparison-icon.griidai {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.comparison-row {
  display: grid;
  border-top: 1px solid var(--border);
}

@media (min-width: 768px) {
  .comparison-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.comparison-cell {
  padding: 1.5rem 2rem;
}

.comparison-cell:first-child {
  background-color: hsl(210, 6%, 95%);
  font-weight: 600;
}

.comparison-cell:last-child {
  background-color: rgba(95, 145, 158, 0.05);
  font-weight: 500;
}

.comparison-cell.traditional {
  color: var(--muted-foreground);
}

/* Form Section */
.form-card {
  padding: 2rem;
}

@media (min-width: 768px) {
  .form-card {
    padding: 3rem;
  }
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--background);
  color: var(--foreground);
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(95, 145, 158, 0.1);
}

.form-textarea {
  resize: none;
  min-height: 100px;
}

.form-error {
  font-size: 0.875rem;
  color: var(--destructive);
  margin-top: 0.25rem;
}

.form-row {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .form-row-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .form-row-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.captcha-box {
  padding: 1rem;
  background-color: hsl(210, 6%, 95%);
  border-radius: var(--radius);
}

.captcha-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.captcha-question {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.captcha-text {
  font-size: 1.125rem;
  font-family: monospace;
  padding: 0.5rem 1rem;
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.captcha-input {
  width: 100px;
}

.word-count {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.word-count-text {
  color: var(--muted-foreground);
}

.word-count-text.error {
  color: var(--destructive);
}

.form-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 1rem;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.success-state {
  text-align: center;
  padding: 3rem 0;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(22, 163, 74, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: var(--chart-2);
}

.success-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.success-text {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  background-color: hsl(210, 6%, 95%);
}

.footer-content {
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .footer-content {
    padding: 4rem 0;
  }
}

.footer-grid {
  display: grid;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-brand p {
  color: var(--muted-foreground);
  margin-top: 1rem;
  max-width: 24rem;
}

.footer-brand .company {
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.footer-brand .company span {
  font-weight: 600;
}

.footer-title {
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a,
.footer-links button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted-foreground);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: color 0.2s;
}

.footer-links a:hover,
.footer-links button:hover {
  color: var(--foreground);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid #ffffff !important;
}

.footer {
  border-top: 1px solid #1e5a6a;
  background-color: #2A7486;
}

.footer-brand p,
.footer-brand .company,
.footer-copyright,
.footer-links a,
.footer-links button,
.footer-legal button {
  color: rgba(255, 255, 255, 0.8);
}

.footer-links a:hover,
.footer-links button:hover,
.footer-legal button:hover {
  color: #ffffff;
}

.footer-title {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}


@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-copyright {
  font-size: 0.875rem;
  color: #ffffff;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal button {
  font-size: 0.875rem;
  color: #ffffff;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s;
}

.footer-legal button:hover {
  color: var(--foreground);
}

/* Icon SVGs */
.icon {
  width: 24px;
  height: 24px;
}

.icon-sm {
  width: 16px;
  height: 16px;
}

.icon-lg {
  width: 32px;
  height: 32px;
}

/* Utility classes */
.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-4 { margin-top: 1rem; }

.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.space-y-8 > * + * { margin-top: 2rem; }

/* Spinner */
.spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}