/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-bg: #0a0a0f;
  --c-surface: #13131a;
  --c-surface2: #1c1c28;
  --c-border: rgba(255,255,255,0.08);
  --c-text: #e8e8f0;
  --c-muted: #6b6b80;
  --c-primary: #7c6dfa;
  --c-primary-dim: rgba(124,109,250,0.15);
  --c-accent: #c084fc;
  --c-green: #4ade80;
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.2s ease;
  --shadow: 0 4px 32px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.2rem; font-weight: 600; }

.gradient-text {
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--c-primary);
  color: #fff;
  box-shadow: 0 0 24px rgba(124,109,250,0.35);
}
.btn--primary:hover {
  background: #6a5cf5;
  box-shadow: 0 0 36px rgba(124,109,250,0.5);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn--ghost:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}
.btn--outline {
  background: transparent;
  color: var(--c-text);
  border: 1px solid var(--c-border);
}
.btn--outline:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
  background: var(--c-primary-dim);
}
.btn--lg { padding: 15px 32px; font-size: 1rem; }
.btn--full { width: 100%; }

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), backdrop-filter var(--transition);
}
.nav.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
}
.logo-mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1rem;
  color: #fff;
}
.nav__links {
  display: flex;
  gap: 32px;
  margin-left: auto;
}
.nav__links a {
  font-size: 0.9rem;
  color: var(--c-muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--c-text); }
.nav__cta { margin-left: 16px; padding: 10px 20px; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--c-text);
  border-radius: 2px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
}
.orb--1 {
  width: 600px; height: 600px;
  background: var(--c-primary);
  top: -200px; right: -100px;
}
.orb--2 {
  width: 400px; height: 400px;
  background: var(--c-accent);
  bottom: -100px; left: -100px;
}
.orb--3 {
  width: 300px; height: 300px;
  background: #38bdf8;
  top: 40%; left: 40%;
}
.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--c-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--c-border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 80%);
}
.hero__content {
  position: relative;
  z-index: 1;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--c-border);
  border-radius: 100px;
  font-size: 0.82rem;
  color: var(--c-muted);
  margin-bottom: 28px;
  background: var(--c-surface);
}
.badge::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 8px var(--c-green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero__title { margin-bottom: 24px; max-width: 700px; }
.hero__sub {
  font-size: 1.15rem;
  color: var(--c-muted);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero__stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--c-border);
}
.stat__num {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-text);
}
.stat__label {
  font-size: 0.82rem;
  color: var(--c-muted);
}

/* ===== TRUST ===== */
.trust {
  padding: 40px 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.trust__label {
  text-align: center;
  font-size: 0.82rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.trust__logos {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.tech-badge {
  padding: 6px 16px;
  border: 1px solid var(--c-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--c-muted);
  background: var(--c-surface);
}

/* ===== SECTION COMMONS ===== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-primary);
  margin-bottom: 12px;
}
.section-header p {
  color: var(--c-muted);
  font-size: 1.05rem;
  margin-top: 12px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== FEATURES ===== */
.features { padding: 100px 0; }
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.feature-card:hover {
  border-color: var(--c-primary);
  transform: translateY(-4px);
}
.feature-card--wide { grid-column: span 2; }
.feature-card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--c-muted); font-size: 0.95rem; line-height: 1.7; }

/* ===== HOW IT WORKS ===== */
.how {
  padding: 80px 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.steps {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  justify-content: center;
}
.step { max-width: 280px; text-align: center; }
.step__num {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 10px; }
.step p { color: var(--c-muted); font-size: 0.9rem; }
.step__arrow {
  font-size: 1.5rem;
  color: var(--c-muted);
  margin-top: 40px;
  flex-shrink: 0;
}

/* ===== PLANS ===== */
.plans { padding: 100px 0; }
.plans__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.plans__grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
.plan-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}
.plan-card--featured {
  border-color: var(--c-primary);
  background: linear-gradient(135deg, rgba(124,109,250,0.1), rgba(192,132,252,0.05));
  box-shadow: 0 0 40px rgba(124,109,250,0.15);
}
.plan-card__badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.plan-card__header h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}
.price__amount {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--c-text);
}
.price__unit {
  font-size: 0.9rem;
  color: var(--c-muted);
}
.plan-card__features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.plan-card__features li {
  font-size: 0.9rem;
  color: var(--c-muted);
}
.plan-card__features li:not(.muted) { color: var(--c-text); }
.plans__note {
  text-align: center;
  color: var(--c-muted);
  font-size: 0.85rem;
  margin-top: 40px;
}

/* ===== TECH ===== */
.tech {
  padding: 100px 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
}
.tech__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.tech__text .section-tag { display: block; margin-bottom: 12px; }
.tech__text h2 { margin-bottom: 20px; }
.tech__lead {
  color: var(--c-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.tech__lead strong { color: var(--c-text); }
.tech__reqs { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.req {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 16px;
  align-items: start;
  padding: 12px 16px;
  background: var(--c-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
}
.req__label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-primary);
}
.req__val { font-size: 0.9rem; color: var(--c-muted); }
.callout {
  background: rgba(250,200,70,0.08);
  border: 1px solid rgba(250,200,70,0.2);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--c-text);
  line-height: 1.6;
}
.callout strong { color: #fbbf24; }

/* Diagram */
.diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.diag-box {
  width: 240px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  background: var(--c-bg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}
.diag-box span:first-child { font-size: 1.8rem; }
.diag-box small { font-size: 0.78rem; color: var(--c-muted); font-weight: 400; }
.diag-box--server { border-color: var(--c-primary); background: var(--c-primary-dim); }
.diag-box--claude { border-color: var(--c-accent); background: rgba(192,132,252,0.08); }
.diag-arrow {
  font-size: 0.8rem;
  color: var(--c-muted);
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.diag-note {
  margin-top: 20px;
  font-size: 0.78rem;
  color: var(--c-muted);
  text-align: center;
  padding: 8px 16px;
  border: 1px dashed var(--c-border);
  border-radius: var(--radius-sm);
}

/* ===== FAQ ===== */
.faq { padding: 100px 0; }
.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq__item summary {
  padding: 20px 24px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}
.faq__item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--c-primary);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__item p {
  padding: 0 24px 20px;
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact {
  padding: 100px 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
.contact__text .section-tag { display: block; margin-bottom: 12px; }
.contact__text h2 { margin-bottom: 16px; }
.contact__text p { color: var(--c-muted); font-size: 1rem; margin-bottom: 32px; line-height: 1.7; }
.contact__info { display: flex; flex-direction: column; gap: 12px; }
.contact__item { font-size: 0.9rem; color: var(--c-muted); }
.contact__item a { color: var(--c-primary); }
.contact__item a:hover { text-decoration: underline; }
.contact__company {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--c-muted);
  line-height: 1.8;
}
.contact__company strong { color: var(--c-text); }
.footer__company {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--c-muted);
  line-height: 1.7;
}

/* Form */
.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--c-muted); }
.label-hint { font-weight: 400; font-size: 0.78rem; color: var(--c-muted); opacity: 0.7; }
.hp-field { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--c-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--c-primary); }
.form-group select { appearance: none; }
.form-group textarea { resize: vertical; }
/* Add-ons */
.addons { display: flex; flex-direction: column; gap: 8px; }
.addon-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.addon-item:hover { border-color: var(--c-primary); }
.addon-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--c-primary); flex-shrink: 0; cursor: pointer; }
.addon-item:has(input:checked) { border-color: var(--c-primary); background: var(--c-primary-dim); }
.addon-info { flex: 1; }
.addon-name { display: block; font-size: 0.9rem; font-weight: 500; color: var(--c-text); }
.addon-desc { display: block; font-size: 0.78rem; color: var(--c-muted); margin-top: 2px; }
.addon-price { font-size: 0.85rem; font-weight: 700; color: var(--c-primary); white-space: nowrap; flex-shrink: 0; }

.form-success {
  text-align: center;
  padding: 40px;
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.2);
  border-radius: var(--radius);
  color: var(--c-green);
  font-weight: 600;
  display: none;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 0;
  border-top: 1px solid var(--c-border);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
}
.footer__left .nav__logo { margin-bottom: 16px; }
.footer__left p { color: var(--c-muted); font-size: 0.9rem; line-height: 1.7; }
.footer__links { display: flex; gap: 60px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; }
.footer__col h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 4px; }
.footer__col a { font-size: 0.85rem; color: var(--c-muted); transition: color var(--transition); }
.footer__col a:hover { color: var(--c-text); }
.footer__bottom {
  padding: 20px 0;
  border-top: 1px solid var(--c-border);
}
.footer__bottom p { font-size: 0.8rem; color: var(--c-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: var(--c-bg);
    padding: 24px;
    border-bottom: 1px solid var(--c-border);
    gap: 20px;
  }

  .features__grid { grid-template-columns: 1fr 1fr; }
  .feature-card--wide { grid-column: span 2; }
  .plans__grid,
  .plans__grid--4 { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .tech__inner { grid-template-columns: 1fr; }
  .tech__diagram { order: -1; }
  .contact__inner { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .steps { flex-direction: column; align-items: center; }
  .step__arrow { transform: rotate(90deg); margin: -8px 0; }
}

@media (max-width: 600px) {
  .features__grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; }
  .form-row { grid-template-columns: 1fr; }
  .hero__stats { gap: 24px; }
  .footer__links { flex-direction: column; gap: 32px; }
}