/*
   ENTERPRISE PAGE
   Extends teaser/styles.css patterns
*/
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #07070e;
  --bg-card: #0f0f1a;
  --bg-card-hover: #161625;
  --border: rgba(255, 255, 255, 0.07);
  --border-bright: rgba(139, 92, 246, 0.3);
  --accent: #8b5cf6;
  --accent-bright: #a78bfa;
  --accent-glow: rgba(139, 92, 246, 0.15);
  --text: #f0eeff;
  --text-muted: #8b8aac;
  --text-faint: #4a4966;
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --gradient: linear-gradient(135deg, #a78bfa 0%, #60a5fa 50%, #34d399 100%);
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: var(--accent-bright);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/*  LAYOUT  */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/*  NAV  */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 7, 14, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.logo:hover { text-decoration: none; }

.logo-icon {
  color: var(--accent);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--accent-bright);
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: background 0.2s, transform 0.15s;
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  text-decoration: none;
}

/* mobile menu button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  position: absolute;
  left: 0;
  transition: all 0.3s;
}

.mobile-menu-btn span:nth-child(1) { top: 0; }
.mobile-menu-btn span:nth-child(2) { top: 9px; }
.mobile-menu-btn span:nth-child(3) { top: 18px; }

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(7, 7, 14, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
}

/*  GRADIENT TEXT  */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/*  BUTTONS  */
.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  font-family: var(--font);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.35);
  text-decoration: none;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-bright);
  border-radius: 50px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  font-family: var(--font);
  white-space: nowrap;
  text-decoration: none;
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.06);
  transform: translateY(-1px);
  text-decoration: none;
}

/*  HERO  */
#enterprise-hero {
  position: relative;
  padding: 120px 0 60px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  color: var(--text);
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/*  SECTION COMMONS  */
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 16px;
  text-align: center;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/*  PROBLEM SECTION  */
#enterprise-problem {
  padding: 50px 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: border-color 0.25s, background 0.25s, transform 0.2s;
}

.problem-card:hover {
  border-color: rgba(248, 113, 113, 0.25);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.problem-card .icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .problem-grid { grid-template-columns: 1fr; }
}

/*  HOW IT WORKS  */
#enterprise-how {
  padding: 50px 0;
  text-align: center;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
  margin-top: 60px;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
}

.step-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}

.step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.step p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.step-connector {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-bright), transparent);
  align-self: center;
  margin-top: 20px;
  flex-shrink: 0;
}

@media (max-width: 700px) {
  .step-connector { display: none; }
  .steps { gap: 8px; }
}

/*  PRICING  */
#pricing {
  padding: 50px 0;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: border-color 0.25s, background 0.25s, transform 0.2s;
  position: relative;
}

.tier-card:hover {
  border-color: rgba(139, 92, 246, 0.25);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.tier-card.featured {
  border: 1px solid var(--accent);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.1);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 14px;
  border-radius: 50px;
}

.tier-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
  color: var(--text);
}

.price-eur {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.tier-features {
  list-style: none;
  margin-bottom: 28px;
  width: 100%;
  text-align: left;
}

.tier-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  line-height: 1.5;
}

.tier-features li:last-child {
  border-bottom: none;
}

.pricing-footnote {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-top: 32px;
}

@media (max-width: 768px) {
  .tier-grid { grid-template-columns: 1fr; }
}

/*  USE CASES  */
#use-cases {
  padding: 50px 0;
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: border-color 0.25s, background 0.25s, transform 0.2s;
}

.usecase-card:hover {
  border-color: rgba(139, 92, 246, 0.25);
  background: var(--bg-card-hover);
  transform: translateY(-3px);
}

.usecase-card .icon {
  font-size: 2.2rem;
  display: block;
  margin-bottom: 16px;
}

.usecase-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.usecase-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .usecase-grid { grid-template-columns: 1fr; }
}

/*  FAQ  */
#faq {
  padding: 50px 0;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  margin-top: 48px;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font);
  text-align: left;
}

.faq-trigger h3 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}

.faq-arrow {
  font-size: 0.7rem;
  color: var(--text-faint);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-item.open .faq-body {
  max-height: 300px;
  padding-bottom: 20px;
}

.faq-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/*  CONTACT FORM  */
#contact {
  padding: 50px 0 80px;
}

.waitlist-form {
  max-width: 580px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--text);
  font-family: var(--font);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.form-grid input::placeholder,
.form-grid textarea::placeholder {
  color: var(--text-faint);
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  border-color: var(--accent);
  background: rgba(139, 92, 246, 0.06);
}

.form-grid select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%238b8aac' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-grid select option {
  background: var(--bg-card);
  color: var(--text);
}

.form-grid textarea {
  resize: vertical;
  min-height: 100px;
}

@media (max-width: 600px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}

/* Form success */
.form-success {
  text-align: center;
  padding: 48px 24px;
}

.success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  color: #4ade80;
}

.form-success h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-success p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Form errors */
.form-error {
  color: #f87171;
  font-size: 0.85rem;
  text-align: center;
  margin-top: 12px;
}

/*  FOOTER  */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 24px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 8px;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-faint);
  text-align: center;
}

/*  SCROLL ANIMATIONS  */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/*  RESPONSIVE  */
@media (max-width: 768px) {
  #enterprise-hero {
    padding: 100px 0 40px;
  }

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

  .section-title {
    font-size: 1.6rem;
  }

  .tier-grid,
  .problem-grid,
  .usecase-grid {
    grid-template-columns: 1fr;
  }
}