*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; color: #111827; background: #fff; line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 32px; }

/* Sticky nav */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid #e5e7eb;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; max-width: 1100px; margin: 0 auto; padding: 0 32px;
}
.logo {
  font-size: 1.05rem; font-weight: 700; color: #111827;
  text-decoration: none; display: flex; align-items: center; gap: 5px;
  letter-spacing: -0.01em;
}
.logo-dot { color: #3b5bdb; }
.nav-right { display: flex; align-items: center; gap: 20px; }
.lang-link {
  font-size: 0.78rem; font-weight: 600; color: #9ca3af;
  text-decoration: none; letter-spacing: 0.06em;
  transition: color 0.15s;
}
.lang-link:hover { color: #6b7280; }
.btn-primary {
  background: #3b5bdb; color: #fff; border: none;
  padding: 9px 20px; border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: 0.875rem; font-weight: 600;
  cursor: pointer; text-decoration: none; display: inline-block;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover { background: #3451c7; }
.btn-primary:active { transform: scale(0.98); }

/* Sections */
section { padding: 96px 0; }
.bg-grey { background: #f5f7fa; }

/* Hero */
.hero { padding: 104px 0 96px; }
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: #d3f9d8; color: #2f9e44;
  font-size: 0.78rem; font-weight: 600;
  padding: 4px 14px; border-radius: 20px; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2rem, 3.6vw, 3rem); font-weight: 800;
  line-height: 1.12; letter-spacing: -0.02em;
  margin-bottom: 20px; color: #111827;
}
.hero-sub {
  font-size: 1.05rem; color: #6b7280;
  margin-bottom: 36px; max-width: 480px; line-height: 1.7;
}
.cta-group { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.btn-secondary {
  font-size: 0.9rem; color: #3b5bdb;
  text-decoration: none; font-weight: 600;
  transition: opacity 0.15s;
}
.btn-secondary:hover { opacity: 0.75; }

/* Mockup card */
.mockup-card {
  background: #fff; border: 1px solid #e5e7eb;
  border-radius: 14px; box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 24px; width: 100%;
}
.mockup-header {
  font-size: 0.82rem; font-weight: 700; color: #111827;
  margin-bottom: 16px; padding-bottom: 14px;
  border-bottom: 1px solid #e5e7eb;
  letter-spacing: 0.01em;
}
.mockup-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 0; border-bottom: 1px solid #f3f4f6;
}
.mockup-row:last-child { border-bottom: none; }
.art-ref { font-size: 0.82rem; font-weight: 700; color: #111827; }
.art-desc { font-size: 0.78rem; color: #9ca3af; margin-top: 1px; }
.badge {
  display: inline-block; padding: 3px 11px;
  border-radius: 20px; font-size: 0.72rem; font-weight: 600;
  white-space: nowrap;
}
.badge-green { background: #d3f9d8; color: #2f9e44; }
.badge-red   { background: #ffe3e3; color: #c92a2a; }
.badge-grey  { background: #f3f4f6; color: #6b7280; }

/* Section headings */
.section-header { text-align: center; max-width: 680px; margin: 0 auto; }
.section-header h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 14px; line-height: 1.2;
}
.section-header p { color: #6b7280; font-size: 1.02rem; }

/* Cards */
.cards-3 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 48px;
}
.cards-6 {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 48px;
}
.cards-2 {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px; margin-top: 40px;
}
.card {
  background: #fff; border-radius: 14px;
  padding: 28px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}
.card-icon { font-size: 1.4rem; margin-bottom: 14px; }
.card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 8px; color: #111827; }
.card p { font-size: 0.88rem; color: #6b7280; line-height: 1.65; }

/* Steps */
.steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; margin-top: 64px; position: relative;
}
.step { text-align: center; padding: 0 28px; position: relative; }
.step:not(:last-child)::after {
  content: '→'; position: absolute;
  right: -10px; top: 16px;
  font-size: 1.3rem; color: #c5d0fa;
}
.step-num {
  width: 48px; height: 48px; background: #3b5bdb; color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; margin: 0 auto 18px;
}
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 0.88rem; color: #6b7280; }

/* Philosophy */
.philosophy { text-align: center; }
.philosophy .inner { max-width: 700px; margin: 0 auto; }
.philosophy h2 {
  font-size: clamp(1.45rem, 2.4vw, 1.9rem); font-weight: 800;
  line-height: 1.25; margin-bottom: 22px; letter-spacing: -0.02em;
}
.philosophy p { color: #6b7280; font-size: 1.02rem; }

/* Beta callout */
.beta-callout { display: flex; justify-content: center; }
.beta-box {
  background: #eef2ff; border: 1px solid #c5d0fa;
  border-radius: 16px; max-width: 800px; width: 100%;
  padding: 56px 48px; text-align: center;
}
.beta-pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: #3b5bdb; color: #fff;
  font-size: 0.78rem; font-weight: 600;
  padding: 4px 14px; border-radius: 20px; margin-bottom: 22px;
}
.beta-box h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.9rem); font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 16px;
}
.beta-box p { color: #6b7280; margin-bottom: 30px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* Social proof */
.testimonial-note {
  text-align: center; color: #9ca3af;
  font-size: 0.88rem; margin-top: 32px;
}
.testimonial-card {
  background: #fff; border-radius: 14px;
  padding: 28px 24px; box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: #e5e7eb; margin-bottom: 14px;
}
.t-name { font-weight: 700; font-size: 0.88rem; color: #111827; }
.t-company { font-size: 0.8rem; color: #9ca3af; margin-bottom: 14px; }
.t-quote { font-size: 0.88rem; color: #6b7280; font-style: italic; line-height: 1.65; }

/* FAQ */
.faq-list { max-width: 700px; margin: 48px auto 0; }
.faq-item { border-bottom: 1px solid #e5e7eb; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none;
  padding: 20px 0; font-family: 'Inter', sans-serif;
  font-size: 0.95rem; font-weight: 600; color: #111827;
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; gap: 20px; transition: color 0.15s;
}
.faq-q:hover { color: #3b5bdb; }
.faq-icon {
  font-size: 1.25rem; color: #9ca3af;
  transition: transform 0.25s, color 0.15s;
  flex-shrink: 0; line-height: 1;
}
.faq-item.open .faq-icon { transform: rotate(45deg); color: #3b5bdb; }
.faq-a { overflow: hidden; max-height: 0; transition: max-height 0.35s ease; }
.faq-item.open .faq-a { max-height: 300px; }
.faq-a p { padding-bottom: 20px; color: #6b7280; font-size: 0.92rem; line-height: 1.7; }

/* Form */
.form-wrap { max-width: 540px; margin: 48px auto 0; }
.form-card {
  background: #fff; border-radius: 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 40px 36px;
}
.form-group { margin-bottom: 20px; }
label {
  display: block; font-size: 0.82rem; font-weight: 600;
  margin-bottom: 7px; color: #374151;
}
input, select {
  width: 100%; padding: 11px 14px;
  border: 1px solid #e5e7eb; border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: 0.92rem; color: #111827;
  outline: none; background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none; -webkit-appearance: none;
}
input:focus, select:focus {
  border-color: #3b5bdb;
  box-shadow: 0 0 0 3px rgba(59,91,219,0.12);
}
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.btn-submit {
  width: 100%; background: #3b5bdb; color: #fff; border: none;
  padding: 13px; border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: background 0.15s;
  margin-top: 4px;
}
.btn-submit:hover:not(:disabled) { background: #3451c7; }
.btn-submit:disabled { background: #9ca3af; cursor: not-allowed; }
.form-msg {
  margin-top: 16px; padding: 12px 16px; border-radius: 10px;
  font-size: 0.88rem; text-align: center; display: none; font-weight: 500;
}
.form-msg.success { background: #d3f9d8; color: #2f9e44; display: block; }
.form-msg.error   { background: #ffe3e3; color: #c92a2a; display: block; }

/* Footer */
footer { background: #111827; padding: 40px 0; }
.footer-inner {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-logo { color: #fff; font-weight: 700; font-size: 1rem; }
.footer-logo-dot { color: #3b5bdb; }
.footer-links { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.footer-links a {
  color: #9ca3af; text-decoration: none; font-size: 0.82rem;
  transition: color 0.15s;
}
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 0.78rem; color: #6b7280; margin-top: 20px; }

/* Fade-in */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.55s ease, transform 0.55s ease; }
.fade-in.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* Responsive */
@media (max-width: 900px) {
  .cards-6 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .nav-inner { padding: 0 20px; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .cards-3, .cards-6 { grid-template-columns: 1fr; }
  .cards-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 36px; }
  .step:not(:last-child)::after { content: '↓'; right: auto; left: 50%; transform: translateX(-50%); top: auto; bottom: -24px; }
  .beta-box { padding: 36px 24px; }
  .form-card { padding: 28px 22px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .btn-primary { font-size: 0.82rem; padding: 9px 16px; }
  .hero h1 { font-size: 1.75rem; }
}

/* Inner pages */
.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid #e5e7eb;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800;
  letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 12px;
}
.page-hero p {
  color: #6b7280; font-size: 1rem; max-width: 560px;
}

.prose {
  max-width: 720px; margin: 0 auto; padding: 64px 0 96px;
}
.prose h2 {
  font-size: 1.15rem; font-weight: 700; color: #111827;
  margin-top: 40px; margin-bottom: 12px; letter-spacing: -0.01em;
}
.prose p {
  color: #374151; font-size: 0.95rem; line-height: 1.75;
  margin-bottom: 16px;
}
.prose ul {
  margin: 0 0 16px 20px; color: #374151;
  font-size: 0.95rem; line-height: 1.75;
}
.prose ul li { margin-bottom: 6px; }
.prose a { color: #3b5bdb; text-decoration: underline; }
.prose .updated {
  font-size: 0.82rem; color: #9ca3af; margin-bottom: 40px; display: block;
}

.contact-block {
  max-width: 560px; margin: 56px auto 96px;
  background: #fff; border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  padding: 48px 40px;
}
.contact-block h2 {
  font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; color: #111827;
}
.contact-block p { color: #6b7280; font-size: 0.95rem; line-height: 1.7; margin-bottom: 20px; }
.contact-block a {
  display: inline-flex; align-items: center; gap: 8px;
  background: #3b5bdb; color: #fff;
  padding: 11px 22px; border-radius: 10px;
  font-weight: 600; font-size: 0.9rem; text-decoration: none;
  transition: background 0.15s;
}
.contact-block a:hover { background: #3451c7; }
@media (max-width: 768px) {
  .contact-block { padding: 32px 24px; margin: 40px auto 64px; }
  .prose { padding: 48px 0 64px; }
}