/* Main Styles - Replica Landing Page */

/* CSS Variables */
:root {
  /* Colors */
  --primary-orange: #ff4715;
  --text-dark: #1a1a1a;
  --text-gray: #666666;
  --background: #ffffff;
  --grid-pixel: rgba(219, 219, 219, 0.5);
  --gray-placeholder: #d9d9d9;
  --border-light: #e5e5e5;

  /* Spacing (aligned to 20px module) */
  --spacing-xs: 10px;
  --spacing-sm: 20px;
  --spacing-md: 40px;
  --spacing-lg: 60px;
  --spacing-xl: 80px;
  --spacing-xxl: 120px;

  /* Typography */
  --font-primary: "Aktiv Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Space Mono", monospace;
}

/* Background Pixel Grid */
body {
  background-color: var(--background);
  background-image: url('data:image/svg+xml;utf8,<svg width="20" height="20" xmlns="http://www.w3.org/2000/svg"><rect width="4" height="4" fill="%23DBDBDB" fill-opacity="0.5"/></svg>');
  background-size: 20px 20px;
  background-position: 0 0;
  font-family: var(--font-primary);
  color: var(--text-dark);
  line-height: 1.6;
}

/* Typography */
.text-orange {
  color: var(--primary-orange);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

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

.section-text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-gray);
  margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 32px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn--primary {
  background-color: var(--primary-orange);
  color: #ffffff;
  border: 2px solid var(--primary-orange);
}

.btn--primary:hover {
  background-color: transparent;
  color: var(--primary-orange);
}

.btn--outline {
  background-color: transparent;
  color: var(--text-dark);
  border: 2px solid var(--text-dark);
}

.btn--outline:hover {
  background-color: var(--text-dark);
  color: #ffffff;
}

/* Header */
.header {
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
  border-bottom: 1px solid var(--border-light);
}

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

.header__right {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo__image {
  height: 40px;
  width: auto;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
}

.lang-switcher__link {
  color: var(--text-gray);
  text-decoration: none;
  transition: color 0.3s ease;
  letter-spacing: 0.5px;
}

.lang-switcher__link:hover {
  color: var(--text-dark);
}

.lang-switcher__link.active {
  color: var(--primary-orange);
}

.lang-switcher__separator {
  color: var(--border-light);
  user-select: none;
}

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero__subtitle {
  font-size: 1rem;
  color: var(--text-gray);
  margin-bottom: var(--spacing-sm);
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-md);
}

.hero__description {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-gray);
}

.hero__image {
  margin-top: var(--spacing-lg);
}

/* Interface Section */
.interface-section {
  padding: var(--spacing-xl) 0;
}

.interface-section__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.interface-section__image {
  display: flex;
  align-items: center;
}

/* Steps Section */
.steps-section {
  padding: var(--spacing-xl) 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  position: relative;
}

.steps::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(to right, var(--primary-orange) 0%, var(--primary-orange) 33%, var(--border-light) 33%, var(--border-light) 100%);
  z-index: -1;
}

.step {
  text-align: center;
}

.step__number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-orange);
  margin-bottom: var(--spacing-sm);
}

.step__title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.step__description {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* Workflow Section */
.workflow-section {
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.workflow-section .section-title {
  margin-bottom: var(--spacing-md);
}

.workflow-section .btn {
  margin-bottom: var(--spacing-lg);
}

.workflow-section__image {
  max-width: 1000px;
  margin: 0 auto;
}

.workflow-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features-section {
  padding: var(--spacing-xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-sm);
}

.feature-card {
  padding: var(--spacing-md);
  border: 1px solid var(--primary-orange);
  border-radius: 8px;
  transition: all 0.3s ease;
  background-color: #ffffff;
}

.feature-card:hover {
  border-color: var(--primary-orange);
  transform: translateY(-4px);
  box-shadow: 0 4px 20px rgba(255, 71, 21, 0.1);
}

.feature-card--highlight {
  background-color: var(--primary-orange);
  color: #ffffff;
  border-color: var(--primary-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.feature-card--highlight:hover {
  transform: scale(1.05);
}

.feature-card__title {
  font-size: 1.25rem;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-xs);
}

.feature-card--highlight .feature-card__title {
  font-size: 1.5rem;
  margin-bottom: 0;
}

.feature-card__description {
  font-size: 0.95rem;
  color: var(--text-gray);
  line-height: 1.6;
}

/* Audience Section */
.audience-section {
  padding: var(--spacing-xl) 0;
  max-width: 900px;
  margin: 0 auto;
}

.audience-list {
  margin-top: var(--spacing-lg);
}

.audience-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-light);
}

.audience-item:last-child {
  border-bottom: none;
}

.audience-item__icon {
  font-size: 1.5rem;
  color: var(--primary-orange);
  flex-shrink: 0;
}

.audience-item__text {
  font-size: 1.125rem;
  line-height: 1.6;
}

/* Beta Section */
.beta-section {
  padding: var(--spacing-xxl) 0;
  text-align: center;
  background: linear-gradient(to bottom, transparent 0%, rgba(255, 71, 21, 0.05) 100%);
}

.beta-section__subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--text-gray);
  margin-bottom: var(--spacing-lg);
}

.beta-form {
  max-width: 600px;
  margin: 0 auto;
}

.beta-form__inputs {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  align-items: stretch;
}

.beta-form__input {
  flex: 1;
  padding: 14px 24px;
  font-size: 1rem;
  border: 2px solid var(--border-light);
  border-radius: 4px;
  transition: border-color 0.3s ease;
}

.beta-form__input:focus {
  outline: none;
  border-color: var(--primary-orange);
}

.beta-form__input::placeholder {
  color: var(--text-gray);
}

/* Footer */
.footer {
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.footer__text {
  font-size: 0.875rem;
  color: var(--text-gray);
}

/* Placeholder Images */
.placeholder-image {
  width: 100%;
  height: 400px;
  background-color: var(--gray-placeholder);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-image--laptop {
  height: 500px;
}

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

  .steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 60px;
    --spacing-xxl: 80px;
  }

  .header__right {
    gap: var(--spacing-xs);
  }

  .lang-switcher {
    font-size: 0.8125rem;
    gap: 6px;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

  .steps {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .step::after {
    content: "";
    display: block;
    width: 2px;
    height: 40px;
    background-color: var(--border-light);
    margin: var(--spacing-sm) auto 0;
  }

  .step:last-child::after {
    display: none;
  }

  .beta-form__inputs {
    flex-direction: column;
  }

  .placeholder-image {
    height: 300px;
  }

  .placeholder-image--laptop {
    height: 350px;
  }

  .audience-item__text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .logo__image {
    height: 32px;
  }

  .btn {
    padding: 10px 24px;
    font-size: 0.8125rem;
  }
}