/* ============================================================
   Unseam AI — Global Stylesheet
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --color-bg-dark: #0a0a0a;
  --color-bg-light: #f8f9fa;
  --color-bg-white: #ffffff;
  --color-accent: #00e5c8;
  --color-accent-hover: #00ccb3;
  --color-accent-light: rgba(0, 229, 200, 0.12);
  --color-text-light: #ffffff;
  --color-text-dark: #1a1a1a;
  --color-text-muted: #6b7280;
  --color-text-muted-light: #9ca3af;
  --color-border: #1f2937;
  --color-border-light: #e5e7eb;
  --color-card-dark: #111111;
  --color-card-light: #ffffff;

  /* Typography */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;
  --fs-5xl: 3.25rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  /* Spacing */
  --section-py: 6rem;
  --section-py-sm: 4rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background: var(--color-bg-white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font: inherit;
  border: none;
  outline: none;
  background: none;
}

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

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-bg-dark);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(0, 229, 200, 0.4), 0 0 48px rgba(0, 229, 200, 0.15);
}

.btn-outline {
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  background: var(--color-accent);
  color: var(--color-text-light);
  transform: translateY(-1px);
}

.btn-white {
  background: var(--color-bg-white);
  color: var(--color-text-dark);
}

.btn-white:hover,
.btn-white:focus-visible {
  background: #e5e7eb;
  transform: translateY(-1px);
}

/* ---------- Section Helpers ---------- */
.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section-light {
  background: var(--color-bg-light);
  color: var(--color-text-dark);
}

.section-white {
  background: var(--color-bg-white);
  color: var(--color-text-dark);
}

.section-padding {
  padding: var(--section-py) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.section-dark .section-header p {
  color: var(--color-text-muted-light);
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: var(--color-bg-dark);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.site-logo img {
  height: 36px;
  width: auto;
}

.site-logo span {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text-muted-light);
  font-size: var(--fs-sm);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-light);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  margin-left: 0.5rem;
}

.nav-cta::after {
  display: none;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-light);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  padding: calc(var(--header-height) + 5rem) 0 5rem;
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Geometric grid decoration */
.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background-image:
    linear-gradient(rgba(0, 229, 200, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 200, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: rotate(-10deg);
}

/* Accent glow */
.hero-bg::after {
  content: '';
  position: absolute;
  top: 20%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 229, 200, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 720px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-5xl);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: var(--fs-lg);
  color: var(--color-text-muted-light);
  margin-bottom: 2rem;
  max-width: 560px;
  line-height: 1.7;
}

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

.hero-centered .hero-content {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-centered .hero-content > * {
  margin-left: 0;
  margin-right: 0;
}

.hero-centered p {
  max-width: 640px;
}

.hero-small {
  min-height: auto;
  padding: calc(var(--header-height) + 4rem) 0 3rem;
}

/* ---------- Grid Layouts ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

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

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

/* ---------- Cards ---------- */
.card {
  background: var(--color-card-light);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.card-dark {
  background: var(--color-card-dark);
  border-color: var(--color-border);
}

.card-dark:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(0, 229, 200, 0.3);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
  font-size: var(--fs-xl);
}

.card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.card-dark p {
  color: var(--color-text-muted-light);
}

/* ---------- Feature Alternating Sections ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3rem 0;
}

.feature-row:nth-child(even) .feature-text {
  order: 2;
}

.feature-row:nth-child(even) .feature-media {
  order: 1;
}

.feature-text h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-text p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.feature-media {
  background: var(--color-bg-light);
  border-radius: 12px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

/* ---------- Steps / Process ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  margin: 0 auto 1.25rem;
}

.step h4 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

/* ---------- Pricing Cards ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: start;
}

.pricing-card {
  background: var(--color-card-light);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  border: 1px solid var(--color-border-light);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 8px 32px rgba(0, 229, 200, 0.15);
  transform: scale(1.03);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-bg-dark);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin: 1rem 0;
  color: var(--color-text-dark);
}

.pricing-price span {
  font-size: var(--fs-base);
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-features {
  text-align: left;
  margin: 1.5rem 0 2rem;
}

.pricing-features li {
  padding: 0.5rem 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

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

/* ---------- Accordion / FAQ ---------- */
.accordion {
  max-width: 720px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid var(--color-border-light);
}

.accordion-trigger {
  width: 100%;
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--color-text-dark);
  background: none;
  border: none;
}

.accordion-trigger:hover {
  color: var(--color-accent);
}

.accordion-trigger::after {
  content: '+';
  font-size: var(--fs-xl);
  font-weight: 400;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 1rem;
}

.accordion-item.active .accordion-trigger::after {
  content: '−';
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-content p {
  padding-bottom: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: var(--fs-sm);
}

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--color-card-dark);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
}

.testimonial-card blockquote {
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text-muted-light);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-card blockquote::before {
  content: '"';
  font-size: 2rem;
  color: var(--color-accent);
  line-height: 0;
  vertical-align: -0.5rem;
  margin-right: 0.25rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-weight: 700;
  font-size: var(--fs-sm);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text-light);
}

.testimonial-author span {
  font-size: var(--fs-xs);
  color: var(--color-text-muted-light);
}

/* ---------- Team Cards ---------- */
.team-card {
  text-align: center;
  padding: 2rem;
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--color-bg-light);
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--fs-3xl);
  font-weight: 300;
  border: 2px solid var(--color-border-light);
}

.team-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.team-card .role {
  color: var(--color-accent);
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-bottom: 0.75rem;
}

.team-card p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* ---------- Blog Cards ---------- */
.blog-card {
  background: var(--color-card-light);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.blog-card-image {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  font-weight: 500;
}

.blog-card-body {
  padding: 1.5rem;
}

.blog-tag {
  display: inline-block;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.blog-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.blog-card h3 a:hover {
  color: var(--color-accent);
}

.blog-card p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.blog-meta {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ---------- Contact Form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  font-size: var(--fs-base);
  color: var(--color-text-dark);
  background: var(--color-bg-white);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.contact-info-item {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  align-items: flex-start;
}

.contact-info-item .icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
  font-size: var(--fs-lg);
}

.contact-info-item p {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.contact-info-item strong {
  display: block;
  color: var(--color-text-dark);
  font-size: var(--fs-base);
  margin-bottom: 0.125rem;
}

.map-placeholder {
  width: 100%;
  height: 200px;
  background: var(--color-bg-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-top: 2rem;
  border: 1px solid var(--color-border-light);
}

/* ---------- Integrations Grid ---------- */
.integrations-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.integration-item {
  background: var(--color-bg-light);
  border-radius: 12px;
  padding: 2rem 1rem;
  text-align: center;
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
}

.integration-item:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.integration-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--color-bg-white);
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
}

.integration-item span {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-text-dark);
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  text-align: center;
  padding: var(--section-py) 0;
}

.cta-banner h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-banner p {
  font-size: var(--fs-lg);
  color: var(--color-text-muted-light);
  margin-bottom: 2rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.value-item {
  text-align: center;
  padding: 1.5rem;
}

.value-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: var(--color-accent);
  font-size: var(--fs-2xl);
}

.value-item h4 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.value-item p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-dark);
  color: var(--color-text-muted-light);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0 1.5rem;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  gap: 2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.footer-brand img {
  height: 32px;
}

.footer-brand span {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text-light);
}

.footer-tagline {
  font-size: var(--fs-sm);
  max-width: 280px;
}

.footer-links {
  display: flex;
  gap: 3rem;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col a {
  display: block;
  font-size: var(--fs-sm);
  color: var(--color-text-muted-light);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  font-size: var(--fs-xs);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted-light);
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- Feature Cards (homepage) ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--color-card-light);
  border: 1px solid var(--color-border-light);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.feature-content {
  padding: 2rem 1.75rem;
}

.feature-title {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.feature-description {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.65;
}

.feature-visual-placeholder {
  min-height: 200px;
  background: linear-gradient(135deg, #0f1419 0%, #0a0a0a 100%);
  border: 1px solid rgba(0, 229, 200, 0.25);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(0, 229, 200, 0.5);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.feature-visual-placeholder::before {
  content: 'Visual coming soon';
}

/* ---------- Feature Deep-Dive (product page) ---------- */
.feature-deep-dive {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 3rem 0;
}

.feature-deep-dive:nth-of-type(even) .feature-deep-dive-content {
  order: 2;
}

.feature-deep-dive:nth-of-type(even) .feature-deep-dive-visual {
  order: 1;
}

.feature-deep-dive-content h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.feature-deep-dive-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.feature-deep-dive-visual .feature-visual-placeholder {
  min-height: 320px;
}

.feature-deep-dive-visual .feature-visual-placeholder::before {
  content: 'Product screenshot / animation coming soon';
}

/* ---------- Pull Quotes (problem section) ---------- */
.pull-quote-card {
  text-align: left;
  padding: 0 0.5rem;
}

.pull-quote {
  position: relative;
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-accent);
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--color-accent);
  font-style: italic;
}

.pull-quote-card h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.pull-quote-card p {
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: var(--fs-base);
}

/* ---------- Stats Row ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.stat-block {
  text-align: center;
  padding: 1.5rem 1rem;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: var(--fs-5xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--fs-base);
  color: var(--color-text-muted-light);
  line-height: 1.5;
}

.stats-footnote {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-text-muted-light);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* ---------- Buttons (large variant) ---------- */
.btn-large {
  padding: 1.1rem 2.5rem;
  font-size: var(--fs-lg);
  border-radius: 8px;
}

/* ---------- Early Access List ---------- */
.early-access-list {
  max-width: 640px;
  margin: 2rem auto;
}

.early-access-list li {
  padding: 0.75rem 0;
  padding-left: 1.75rem;
  position: relative;
  color: var(--color-text-dark);
  font-size: var(--fs-base);
  line-height: 1.6;
}

.early-access-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  transform: rotate(45deg);
}

.early-access-note {
  max-width: 640px;
  margin: 1.5rem auto 2.5rem;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  text-align: center;
  font-style: italic;
}

/* ---------- Minimal Page (contact / about) ---------- */
.minimal-page {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 4rem) 1.5rem 4rem;
  background: var(--color-bg-white);
}

.minimal-page-inner {
  max-width: 640px;
  text-align: center;
}

.minimal-page h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-4xl);
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.minimal-page p {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.minimal-page p:last-of-type {
  margin-bottom: 2.5rem;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.fade-in-group > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in-group.visible > * {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-group.visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-group.visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-group.visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-group.visible > *:nth-child(4) { transition-delay: 0.3s; }
.fade-in-group.visible > *:nth-child(5) { transition-delay: 0.4s; }
.fade-in-group.visible > *:nth-child(6) { transition-delay: 0.5s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4, .values-grid, .integrations-grid, .steps, .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-card.featured {
    transform: scale(1);
  }

  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  :root {
    --fs-5xl: 2.25rem;
    --fs-4xl: 1.875rem;
    --fs-3xl: 1.5rem;
    --section-py: 4rem;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--color-bg-dark);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-links a {
    padding: 0.75rem 0;
    font-size: var(--fs-base);
    width: 100%;
    display: block;
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .grid-2, .grid-3, .grid-4,
  .pricing-grid, .values-grid,
  .integrations-grid, .steps {
    grid-template-columns: 1fr;
  }

  .feature-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .feature-row:nth-child(even) .feature-text,
  .feature-row:nth-child(even) .feature-media {
    order: unset;
  }

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

  .feature-deep-dive {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .feature-deep-dive:nth-of-type(even) .feature-deep-dive-content,
  .feature-deep-dive:nth-of-type(even) .feature-deep-dive-visual {
    order: unset;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-top {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + 3rem) 0 3rem;
  }
}

@media (max-width: 480px) {
  :root {
    --fs-5xl: 1.875rem;
    --fs-4xl: 1.5rem;
  }

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