:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f4f6f9;
  --bg-tertiary: #e9ecf1;
  --text-primary: #121417;
  --text-secondary: #565d68;
  --text-tertiary: #8b929f;
  --accent-primary: #0062ff;
  --accent-primary-hover: #0053d9;
  --accent-secondary: #e5f0ff;
  --border-color: #d1d7e0;
  --shadow-color: rgba(18, 20, 23, 0.05);
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --transition-speed: 0.3s;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #121417;
    --bg-secondary: #1c1f24;
    --bg-tertiary: #2a2e35;
    --text-primary: #f4f6f9;
    --text-secondary: #a8b0bc;
    --text-tertiary: #767d89;
    --accent-primary: #2b7fff;
    --accent-primary-hover: #4c9aff;
    --accent-secondary: #2a334e;
    --border-color: #3a4049;
    --shadow-color: rgba(0, 0, 0, 0.2);
  }
}

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

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

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

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

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

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

h1,
h2,
h3,
h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}
h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}
h4 {
  font-size: 1.1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

p:last-child {
  margin-bottom: 0;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.button-primary,
.button-secondary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition-speed) ease,
    color var(--transition-speed) ease, transform var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease;
  border: 2px solid transparent;
}

.button-primary {
  background-color: var(--accent-primary);
  color: #ffffff;
}

.button-primary:hover {
  background-color: var(--accent-primary-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 98, 255, 0.2);
}

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

.button-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.button-primary.large,
.button-secondary.large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.button-primary.small,
.button-secondary.small {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}

.site-header {
  background-color: var(--bg-primary);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-speed) ease;
}

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

.logo a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.main-navigation ul {
  display: flex;
  gap: 2rem;
}

.main-navigation a {
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.main-navigation a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-primary);
  transition: width var(--transition-speed) ease;
}

.main-navigation a:hover {
  color: var(--text-primary);
}

.main-navigation a:hover::after {
  width: 100%;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle svg {
  width: 28px;
  height: 28px;
  color: var(--text-primary);
}

section {
  padding: 5rem 0;
}

section:nth-child(even) {
  background-color: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-section {
  padding: 6rem 0;
  display: flex;
  align-items: center;
  min-height: calc(100vh - 80px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text .hero-title {
  margin-bottom: 1.5rem;
}

.hero-text .hero-subtitle {
  font-size: 1.25rem;
  max-width: 550px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

.hero-image-container img {
  border-radius: 16px;
  box-shadow: 0 20px 40px -10px var(--shadow-color);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.philosophy-card {
  background-color: var(--bg-primary);
  padding: 2.5rem 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: transform var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease;
}

.philosophy-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px -5px var(--shadow-color);
}

.philosophy-card .card-icon {
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.philosophy-card .card-title {
  margin-bottom: 1rem;
}

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

.use-case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background-color: var(--bg-primary);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.use-case-card:nth-child(even) .use-case-image {
  order: 2;
}

.use-case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.use-case-content {
  padding: 3rem;
}

.use-case-title {
  margin-bottom: 1rem;
}

.templates-section {
  background-color: var(--accent-secondary);
}

.templates-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.templates-image-container img {
  border-radius: 12px;
  box-shadow: 0 15px 30px -8px var(--shadow-color);
}

.templates-content .section-title,
.templates-content .section-subtitle {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.template-form {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.template-form .form-group {
  flex-grow: 1;
}

.template-form input[type="email"] {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
}

.form-success-message {
  margin-top: 1.5rem;
  padding: 1rem;
  background-color: var(--accent-primary);
  color: #ffffff;
  border-radius: 8px;
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--bg-primary);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.testimonial-icon {
  color: var(--accent-primary);
  opacity: 0.5;
  margin-bottom: 1rem;
}

.testimonial-quote p {
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.testimonial-quote {
  flex-grow: 1;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-secondary);
  font-style: normal;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.1rem;
  width: 100%;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  transition: transform var(--transition-speed) ease;
}

.faq-item[open] .faq-icon {
  transform: rotate(180deg);
}

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

.faq-answer p {
  font-size: 1rem;
}

.faq-more {
  text-align: center;
  margin-top: 3rem;
}

.site-footer {
  background-color: var(--bg-secondary);
  padding: 4rem 0 2rem 0;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-about .logo {
  margin-bottom: 1rem;
}

.footer-about p {
  font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.footer-contact p {
  font-size: 0.95rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 1rem;
}

.contact-item svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--text-tertiary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 1.5rem 0;
  z-index: 1001;
  box-shadow: 0 -5px 20px var(--shadow-color);
  transform: translateY(100%);
  transition: transform 0.5s ease-in-out;
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.cookie-content p {
  margin: 0;
}

.scroll-animate {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-animate.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

  .hero-image-container {
    order: -1;
    max-width: 500px;
    margin: 0 auto;
  }

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

  .templates-image-container {
    max-width: 500px;
    margin: 0 auto;
    margin-bottom: 2rem;
  }

  .use-case-card {
    grid-template-columns: 1fr;
  }

  .use-case-card:nth-child(even) .use-case-image {
    order: 0;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .section {
    padding: 3rem 0;
  }

  .main-navigation {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    height: 100%;
    background-color: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: -5px 0 15px var(--shadow-color);
  }

  .main-navigation.nav-open {
    display: flex;
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 2.5rem;
    text-align: center;
  }

  .main-navigation a {
    font-size: 1.5rem;
  }

  .header-actions {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-section {
    padding: 4rem 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
}