/* ===================== RESET & BASE ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #0A0A0C;
  color: #F0F0F2;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

:root {
  --bg: #0A0A0C;
  --surface: #131316;
  --surface-2: #1A1A1E;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --text: #F0F0F2;
  --text-dim: #A0A0A8;
  --text-muted: #6E6E76;
  --silver: #C8C8D0;
  --silver-dim: #8A8A92;
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --blue-glow: rgba(37,99,235,0.25);
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.logo-mark { width: auto; height: 36px; display: block; flex-shrink: 0; }

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,12,0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 12px; transition: opacity 0.2s; }
.nav-logo:hover { opacity: 0.85; }
.nav-logo span {
  font-weight: 700; font-size: 17px; letter-spacing: -0.01em;
  background: linear-gradient(135deg, #E8E8EC 0%, #A8A8B0 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-menu a { font-size: 14px; font-weight: 500; color: var(--text-dim); transition: color 0.2s; }
.nav-menu a:hover, .nav-menu a.active { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--text-dim); }
.lang-switch a { padding: 4px 8px; border-radius: 6px; transition: all 0.2s; }
.lang-switch a:hover { color: var(--text); }
.lang-switch a.active { color: var(--text); background: var(--surface-2); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: -0.01em;
  transition: all 0.2s ease; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: var(--blue-light); box-shadow: 0 0 24px 4px var(--blue-glow); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border-hover); }
.btn-secondary:hover { background: var(--surface-2); border-color: var(--silver-dim); }
.btn-nav { padding: 10px 18px; font-size: 13px; }
.nav-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; font-size: 22px; color: var(--text); }

/* ===================== HERO ===================== */
.hero { position: relative; padding: 180px 0 120px; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 80%);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--blue-glow) 0%, transparent 70%);
  filter: blur(80px); opacity: 0.4; pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 900px; }
.hero-inner.narrow { max-width: 760px; text-align: center; margin: 0 auto; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 100px;
  background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.3);
  font-size: 13px; font-weight: 600; color: var(--blue-light);
  margin-bottom: 28px;
}
.eyebrow::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-light); box-shadow: 0 0 8px var(--blue-light); }

h1 {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.03em;
  margin-bottom: 28px;
  background: linear-gradient(180deg, #FFFFFF 0%, #B8B8C0 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
h1 .accent {
  background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  display: block; margin-top: 4px;
}
h1.small { font-size: clamp(32px, 4.5vw, 52px); }
.hero-sub { font-size: clamp(16px, 1.6vw, 19px); color: var(--text-dim); max-width: 640px; margin-bottom: 40px; line-height: 1.6; }
.hero-inner.narrow .hero-sub { margin-left: auto; margin-right: auto; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-inner.narrow .hero-ctas { justify-content: center; }

/* ===================== SECTIONS ===================== */
section { padding: 100px 0; }
.section-head { max-width: 720px; margin-bottom: 64px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag { font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue-light); margin-bottom: 16px; display: block; }
h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 20px;
  background: linear-gradient(180deg, #FFFFFF 0%, #C0C0C8 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
h3 { color: var(--text); }
.section-desc { color: var(--text-dim); font-size: 17px; line-height: 1.6; }

/* ===================== CARDS ===================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  padding: 36px 32px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px;
  transition: all 0.3s ease; position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver-dim), transparent);
  opacity: 0; transition: opacity 0.3s;
}
.card:hover { border-color: var(--border-hover); transform: translateY(-4px); background: var(--surface-2); }
.card:hover::before { opacity: 0.6; }
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(37,99,235,0.15), rgba(37,99,235,0.05));
  border: 1px solid rgba(37,99,235,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 24px;
}
.card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.01em; }
.card p { color: var(--text-dim); font-size: 15px; line-height: 1.6; }
.card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.card ul li { color: var(--text-dim); font-size: 14px; padding-left: 20px; position: relative; }
.card ul li::before { content: '→'; position: absolute; left: 0; color: var(--blue-light); font-weight: 700; }

/* ===================== AUDIENCES ===================== */
.audiences { background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 50%, var(--bg) 100%); }
.audience-card {
  padding: 32px 28px; border-left: 2px solid var(--blue);
  background: rgba(19,19,22,0.6); border-radius: 0 12px 12px 0; transition: all 0.3s;
}
.audience-card:hover { background: var(--surface-2); border-left-width: 4px; padding-left: 26px; }
.audience-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.audience-card p { color: var(--text-dim); font-size: 15px; }

/* ===================== PROCESS ===================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step { padding: 28px 24px; position: relative; }
.step-num { font-size: 14px; font-weight: 700; color: var(--blue-light); letter-spacing: 0.05em; margin-bottom: 16px; display: block; font-variant-numeric: tabular-nums; }
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step p { color: var(--text-dim); font-size: 14px; line-height: 1.6; }
.step::after { content: ''; position: absolute; top: 32px; right: -10px; width: 20px; height: 1px; background: var(--border-hover); }
.step:last-child::after { display: none; }

/* ===================== CTA ===================== */
.cta-section { padding: 120px 0; text-align: center; position: relative; overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, var(--blue-glow) 0%, transparent 70%);
  filter: blur(60px); opacity: 0.5; pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-inner h2 { margin-bottom: 20px; }
.cta-inner p { color: var(--text-dim); font-size: 18px; margin-bottom: 36px; }

/* ===================== CONTACT FORM ===================== */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--silver); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-family: inherit; font-size: 15px;
  transition: border-color 0.2s, background 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--blue); background: var(--surface-2);
}
.form-group textarea { resize: vertical; min-height: 140px; }
.form-note { font-size: 13px; color: var(--text-muted); margin-top: 16px; }
.contact-info-card {
  padding: 36px 32px; background: var(--surface);
  border: 1px solid var(--border); border-radius: 16px;
}
.contact-info-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 24px; }
.contact-info-item:last-child { margin-bottom: 0; }
.contact-info-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(37,99,235,0.1); border: 1px solid rgba(37,99,235,0.25);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  font-size: 18px;
}
.contact-info-item h4 { font-size: 13px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.contact-info-item a { font-size: 16px; color: var(--text); font-weight: 500; }
.contact-info-item a:hover { color: var(--blue-light); }

/* ===================== BLOG ===================== */
.blog-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.blog-image {
  height: 180px;
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface) 100%);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 32px;
}
.blog-body { padding: 28px 28px 32px; }
.blog-meta { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px; font-weight: 600; }
.blog-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.blog-card p { color: var(--text-dim); font-size: 14px; margin-bottom: 16px; }
.blog-card .read-more { color: var(--blue-light); font-size: 14px; font-weight: 600; }

/* ===================== CONTENT PAGES ===================== */
.content-block { max-width: 780px; }
.content-block p { color: var(--text-dim); font-size: 17px; line-height: 1.7; margin-bottom: 20px; }
.content-block h2 { margin-top: 48px; }
.content-block h3 { font-size: 22px; font-weight: 700; margin: 32px 0 12px; letter-spacing: -0.01em; }
.content-block ul { margin-bottom: 24px; display: flex; flex-direction: column; gap: 10px; }
.content-block ul li { color: var(--text-dim); font-size: 16px; padding-left: 24px; position: relative; line-height: 1.6; }
.content-block ul li::before { content: '→'; position: absolute; left: 0; color: var(--blue-light); font-weight: 700; }

/* ===================== FOOTER ===================== */
footer { padding: 64px 0 32px; border-top: 1px solid var(--border); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo-mark { width: auto; height: 48px; margin-bottom: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--silver); margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a, .footer-col li { color: var(--text-dim); font-size: 14px; transition: color 0.2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { padding-top: 32px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; color: var(--text-muted); font-size: 13px; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-4, .steps { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 72px 0; }
  .hero { padding: 120px 0 72px; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .nav-actions .btn { display: none; }
}