/* ========================================
   FORGE Marketing Site - Styles
   ======================================== */

/* --- CSS Variables --- */
:root {
  /* Colors - Luxury minimal palette */
  --color-charcoal: #1a1a1a;
  --color-charcoal-light: #2d2d2d;
  --color-cream: #faf9f7;
  --color-cream-dark: #f0eeeb;
  --color-orange: #e07a3a;
  --color-orange-dark: #c96a2e;
  --color-gold: #c9a227;
  --color-gold-light: #d4b23a;
  --color-gray-600: #4a4a4a;
  --color-gray-400: #888888;
  --color-gray-200: #d4d4d4;
  --color-white: #ffffff;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-charcoal);
  background-color: var(--color-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* --- Container --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-charcoal);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-orange-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-charcoal);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-charcoal-light);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-charcoal);
  border: 1px solid var(--color-gray-200);
}

.btn-ghost:hover {
  border-color: var(--color-charcoal);
  background-color: var(--color-white);
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo img {
  height: 32px;
  width: auto;
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-charcoal);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-charcoal);
}

.nav-links .btn {
  padding: 0.625rem 1.25rem;
}

/* --- Hero --- */
.hero {
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-2xl);
  text-align: center;
}

.hero h1 {
  max-width: 900px;
  margin: 0 auto var(--space-md);
}

.hero-subtitle {
  max-width: 700px;
  margin: 0 auto var(--space-lg);
  font-size: 1.25rem;
  color: var(--color-gray-600);
}

.hero-ctas {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.hero-image {
  max-width: 1000px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.hero-image img {
  width: 100%;
}

/* --- Sections --- */
.section {
  padding: var(--space-2xl) 0;
}

/* Problem Section */
.section-problem {
  background-color: var(--color-white);
}

.section-problem .container {
  max-width: var(--container-narrow);
  text-align: center;
}

.section-problem p {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
}

.section-problem .highlight {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-orange);
  margin-top: var(--space-lg);
}

/* Features Section */
.section-features {
  background-color: var(--color-cream);
}

.section-features h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

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

/* Center the "Coming Soon" card under the middle column */
.features-grid .feature-card:nth-child(4) {
  grid-column: 2;
}

.feature-card {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.feature-card-coming {
  background-color: var(--color-cream-dark);
  border-style: dashed;
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.feature-card h3 {
  margin-bottom: var(--space-xs);
}

.feature-tagline {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-orange);
  margin-bottom: var(--space-sm);
}

.feature-card p:last-child {
  color: var(--color-gray-600);
  margin-bottom: 0;
}

/* Demo Section */
.section-demo {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  text-align: center;
}

.section-demo h2 {
  color: var(--color-white);
}

.section-demo p {
  color: var(--color-gray-400);
  margin-bottom: var(--space-lg);
}

.demo-placeholder {
  max-width: 800px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background-color: var(--color-charcoal-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--color-gray-600);
}

.demo-placeholder-content {
  text-align: center;
}

.demo-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: var(--space-sm);
  opacity: 0.5;
}

.demo-placeholder p {
  color: var(--color-gray-400);
  margin-bottom: 0;
}

/* Pricing Section */
.section-pricing {
  background-color: var(--color-cream);
  text-align: center;
}

.pricing-intro {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
}

/* Billing Toggle */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.pricing-toggle-label {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  cursor: pointer;
}

.pricing-toggle-label[data-period="monthly"].active,
.pricing-toggle-label[data-period="annual"].active {
  color: var(--color-charcoal);
  font-weight: 600;
}

.pricing-toggle-save {
  background-color: var(--color-orange);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
  margin-left: 0.25rem;
}

.pricing-toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
}

.pricing-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.pricing-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-gray-200);
  transition: var(--transition-base);
  border-radius: 26px;
}

.pricing-toggle-slider::before {
  position: absolute;
  content: '';
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: var(--color-white);
  transition: var(--transition-base);
  border-radius: 50%;
}

.pricing-toggle-switch input:checked + .pricing-toggle-slider {
  background-color: var(--color-orange);
}

.pricing-toggle-switch input:checked + .pricing-toggle-slider::before {
  transform: translateX(24px);
}

/* Pricing Cards Container */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

/* Pricing Card */
.pricing-card {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  position: relative;
  text-align: left;
}

.pricing-card-featured {
  border: 2px solid var(--color-orange);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-orange);
  color: var(--color-white);
  padding: 0.375rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}

.pricing-tier-name {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  margin-top: 0.5rem;
}

.pricing-tier-desc {
  font-size: 0.9375rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
}

.pricing-amount {
  margin-bottom: 0.25rem;
}

.pricing-currency {
  font-size: 1.5rem;
  font-weight: 600;
  vertical-align: top;
}

.pricing-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
}

.pricing-period {
  font-size: 1.125rem;
  color: var(--color-gray-600);
}

.pricing-annual-note {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  margin-bottom: var(--space-md);
}

.pricing-annual-note .show-annual {
  display: none;
}

.annual-billing .pricing-annual-note .show-monthly {
  display: none;
}

.annual-billing .pricing-annual-note .show-annual {
  display: inline;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-lg);
  padding: 0;
}

.pricing-features li {
  padding: 0.5rem 0;
  color: var(--color-gray-600);
  font-size: 0.9375rem;
}

.pricing-features li strong {
  color: var(--color-charcoal);
}

.pricing-feature-highlight {
  color: var(--color-orange) !important;
  font-weight: 500;
}

.pricing-card .btn {
  width: 100%;
}

/* Founding Member Callout */
.pricing-founding {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-lg);
  background-color: var(--color-charcoal);
  border-radius: var(--radius-lg);
  color: var(--color-white);
  text-align: center;
}

.pricing-founding-badge {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.pricing-founding h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.pricing-founding p {
  color: var(--color-gray-400);
  margin-bottom: 0;
}

.pricing-founding strong {
  color: var(--color-orange);
}

/* FAQ Section */
.section-faq {
  background-color: var(--color-white);
}

.section-faq h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.faq-list {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-item summary {
  padding: var(--space-md) 0;
  font-size: 1.125rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-gray-400);
  transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding-bottom: var(--space-md);
  color: var(--color-gray-600);
}

/* Waitlist Section */
.section-waitlist {
  background-color: var(--color-charcoal);
  color: var(--color-white);
  text-align: center;
}

.section-waitlist h2 {
  color: var(--color-white);
}

.section-waitlist > .container > p {
  color: var(--color-gray-400);
  margin-bottom: var(--space-lg);
}

.waitlist-form {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  max-width: 500px;
  margin: 0 auto;
}

.waitlist-form input[type="email"] {
  flex: 1;
  min-width: 250px;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-gray-600);
  border-radius: var(--radius-md);
  background-color: var(--color-charcoal-light);
  color: var(--color-white);
}

.waitlist-form input[type="email"]::placeholder {
  color: var(--color-gray-400);
}

.waitlist-form input[type="email"]:focus {
  outline: none;
  border-color: var(--color-orange);
}

.waitlist-message {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
}

.waitlist-message.success {
  color: #4ade80;
}

.waitlist-message.error {
  color: #f87171;
}

/* Contact Section */
.section-contact {
  background-color: var(--color-cream);
  text-align: center;
}

.section-contact h2 {
  color: var(--color-charcoal);
}

.section-contact > .container > p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 500px;
  margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
  padding: 0.875rem 1rem;
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-charcoal);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--color-gray-400);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-orange);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form-message {
  margin-top: var(--space-sm);
  font-size: 0.875rem;
}

.contact-form-message.success {
  color: #22c55e;
}

.contact-form-message.error {
  color: #f87171;
}

/* About Page */
.about-hero {
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-xl);
  text-align: center;
  background-color: var(--color-cream);
}

.about-hero h1 {
  max-width: 800px;
  margin: 0 auto;
}

.section-about-content {
  background-color: var(--color-white);
}

.about-story {
  max-width: 700px;
  margin: 0 auto;
}

.about-intro {
  font-size: 1.375rem;
  font-weight: 500;
  color: var(--color-charcoal);
  margin-bottom: var(--space-lg);
}

.about-story p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-gray-600);
  margin-bottom: var(--space-md);
}

.about-story h2 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-size: 1.75rem;
}

.about-list {
  list-style: none;
  margin: var(--space-md) 0 var(--space-lg);
  padding: 0;
}

.about-list li {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-gray-600);
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
}

.about-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.4rem;
  width: 8px;
  height: 8px;
  background-color: var(--color-orange);
  border-radius: 50%;
}

.about-list li strong {
  color: var(--color-charcoal);
}

.about-photo {
  margin: var(--space-lg) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-photo img {
  width: 100%;
  height: auto;
  display: block;
}

.about-photo-top {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.about-photo-bottom {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-top: var(--space-xl);
}

.about-cta {
  margin-top: var(--space-xl);
  text-align: center;
}

/* Footer */
.footer {
  background-color: var(--color-charcoal);
  color: var(--color-gray-400);
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-charcoal-light);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-brand img {
  height: 24px;
  margin-bottom: var(--space-xs);
}

.footer-brand p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-charcoal-light);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
  .nav-links {
    display: none; /* TODO: Add mobile menu */
  }
  
  .hero {
    padding: calc(var(--space-xl) + 60px) 0 var(--space-xl);
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid .feature-card:nth-child(4) {
    grid-column: 1;
  }
  
  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
  
  .pricing-toggle {
    flex-wrap: wrap;
  }
  
  .pricing-card {
    padding: var(--space-lg);
  }
  
  .footer-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}