:root {
  --blue: #0069D9;
  --blue-dark: #0056b3;
  --blue-deep: #004aad;
  --blue-bright: #38b6ff;
  --blue-mid: #5cb8ff;
  --blue-lightest: #6ac4ff;
  --navy-950: #060d1b;
  --navy-900: #07101f;
  --navy-850: #0a1a35;
  --navy-800: #0a2347;
  --ink: #0a1a35;
  --ink-soft: #55647a;
  --ink-faint: #8593a8;
  --border: #e3eaf4;
  --bg: #ffffff;
  --bg-alt: #f4f7fc;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 10px rgba(10, 35, 66, 0.05), 0 10px 30px rgba(10, 35, 66, 0.06);
  --shadow-hover: 0 8px 20px rgba(10, 35, 66, 0.08), 0 24px 56px rgba(10, 35, 66, 0.14);
  --container: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--bg);
  margin: 0;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }

h1, h2, h3, h4 { font-weight: 900; line-height: 1.15; margin: 0 0 16px; color: var(--ink); letter-spacing: -0.015em; }
p { margin: 0 0 16px; color: var(--ink-soft); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 28px; }

::selection { background: rgba(0, 105, 217, 0.22); }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}
.btn i { font-size: 0.85em; transition: transform 0.25s var(--ease); }
.btn:hover i { transform: translateX(3px); }
.btn-primary {
  background: linear-gradient(180deg, #0d78ea, var(--blue));
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 10px 28px rgba(0, 105, 217, 0.38);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #1483f5, #0062cc);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset, 0 16px 36px rgba(0, 105, 217, 0.48);
}
.btn-outline { background: transparent; color: var(--blue); border-color: rgba(0, 105, 217, 0.45); }
.btn-outline:hover { background: rgba(0, 105, 217, 0.07); border-color: var(--blue); color: var(--blue-dark); transform: translateY(-2px); }
.btn-outline-light { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.95); border: 2px solid rgba(255,255,255,0.22); backdrop-filter: blur(4px); }
.btn-outline-light:hover { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.5); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 13, 27, 0.82);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 15px 28px;
  display: flex;
  align-items: center;
  gap: 36px;
}
.logo-link {
  font-size: 1.35rem;
  font-weight: 900;
  color: #fff;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.logo-link::after { content: '.'; color: var(--blue-bright); }
.logo-link:hover { color: #fff; }
.main-nav { display: flex; gap: 6px; flex: 1; }
.main-nav a {
  position: relative;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.main-nav a.active { color: #fff; font-weight: 700; }
.main-nav a.active::after {
  content: '';
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright));
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.language-switcher {
  display: flex;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px;
  padding: 3px;
}
.language-btn {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.55);
  font-family: inherit;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 6px 12px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.2s;
}
.language-btn:hover { color: #fff; }
.language-btn.active { background: var(--blue); color: #fff; box-shadow: 0 2px 8px rgba(0,105,217,0.5); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 9px;
  cursor: pointer;
  padding: 0 9px;
}
.nav-toggle span { width: 100%; height: 2px; background: #fff; border-radius: 2px; transition: all 0.25s; }
.site-header.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  padding: 130px 0 90px;
  background: var(--navy-950);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(90, 140, 220, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 55% 60% at 18% 15%, rgba(0, 105, 217, 0.35), transparent 65%),
    radial-gradient(ellipse 45% 55% at 85% 75%, rgba(0, 170, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 60% 45% at 50% 110%, rgba(0, 74, 173, 0.35), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; text-align: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(0, 105, 217, 0.14);
  border: 1px solid rgba(56, 182, 255, 0.35);
  color: var(--blue-lightest);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 9px 22px;
  border-radius: 100px;
  margin-bottom: 32px;
  box-shadow: 0 0 30px rgba(0, 105, 217, 0.25);
}
.hero-badge i { color: var(--blue-bright); font-size: 0.72rem; }
.hero h1 {
  font-size: clamp(2.5rem, 5.6vw, 3.9rem);
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.08;
  max-width: 760px;
  margin: 0 auto 24px;
}
.hero h1 .accent {
  background: linear-gradient(100deg, var(--blue-bright), #7dd0ff 60%, var(--blue-mid));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lead {
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.6);
  line-height: 1.75;
  margin: 0 auto 42px;
  max-width: 620px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat-item { text-align: center; padding: 0 44px; }
.stat-item + .stat-item { border-left: 1px solid rgba(255,255,255,0.1); }
.stat-number {
  font-size: 2.3rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(180deg, #fff, #a8d4ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { font-size: 0.76rem; color: rgba(255,255,255,0.42); margin-top: 8px; text-transform: uppercase; letter-spacing: 0.09em; font-weight: 500; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative;
  padding: 86px 0 68px;
  background: var(--navy-950);
  text-align: center;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(90, 140, 220, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 140, 220, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 90% at 50% 0%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 75% 90% at 50% 0%, #000 25%, transparent 78%);
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 22% 0%, rgba(0, 105, 217, 0.32), transparent 65%),
    radial-gradient(ellipse 40% 70% at 82% 100%, rgba(0, 170, 255, 0.12), transparent 60%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-bottom: 14px; color: #fff; letter-spacing: -0.025em; }
.page-hero .lead { max-width: 640px; margin: 0 auto; font-size: 1.08rem; color: rgba(255,255,255,0.58); line-height: 1.75; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.73rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 6px 16px;
  border-radius: 100px;
}
.hero .eyebrow, .page-hero .eyebrow {
  color: var(--blue-lightest);
  background: rgba(0, 105, 217, 0.16);
  border: 1px solid rgba(56, 182, 255, 0.3);
}
section:not(.hero):not(.page-hero) .eyebrow {
  color: var(--blue);
  background: rgba(0, 105, 217, 0.09);
  border: 1px solid rgba(0, 105, 217, 0.16);
}
.section-dark .eyebrow {
  color: var(--blue-mid) !important;
  background: rgba(0, 105, 217, 0.2) !important;
  border: 1px solid rgba(56, 182, 255, 0.28) !important;
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-header h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -0.025em; }
.section-header p { font-size: 1.05rem; }

/* Dark band */
.section-dark {
  position: relative;
  background: linear-gradient(150deg, var(--navy-950) 0%, var(--navy-800) 55%, var(--navy-950) 100%);
  overflow: hidden;
}
.section-dark::before {
  content: '';
  position: absolute;
  top: -140px; right: -100px;
  width: 640px; height: 640px;
  background: radial-gradient(circle, rgba(0,105,217,0.22) 0%, transparent 66%);
  pointer-events: none;
}
.section-dark::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -80px;
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(0,170,255,0.1) 0%, transparent 66%);
  pointer-events: none;
}
.section-dark .container { position: relative; z-index: 1; }
.section-dark .section-header h2 { color: #fff; }
.section-dark .section-header p { color: rgba(255,255,255,0.52); }

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

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.card:hover { transform: translateY(-7px); box-shadow: var(--shadow-hover); border-color: rgba(0,105,217,0.28); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(0,105,217,0.12), rgba(56,182,255,0.08));
  border: 1px solid rgba(0, 105, 217, 0.14);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 20px;
  flex-shrink: 0;
  transition: all 0.35s var(--ease);
}
.card:hover .card-icon {
  background: linear-gradient(145deg, var(--blue), #0d8bff);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(0, 105, 217, 0.35);
}
.card-icon.numeral {
  font-weight: 900;
  font-size: 1.25rem;
  background: linear-gradient(145deg, var(--blue), #0d8bff);
  color: #fff;
  border: none;
  box-shadow: 0 6px 16px rgba(0, 105, 217, 0.3);
}
.card h3 { font-size: 1.18rem; margin-bottom: 10px; color: var(--ink); letter-spacing: -0.01em; }
.card p { margin-bottom: 0; color: var(--ink-soft); font-size: 0.94rem; line-height: 1.7; }
.card ul { margin: 16px 0 0; padding: 0; list-style: none; color: var(--ink-soft); }
.card ul li {
  position: relative;
  margin-bottom: 9px;
  padding-left: 24px;
  font-size: 0.92rem;
}
.card ul li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 0.72rem;
  color: var(--blue);
  background: rgba(0, 105, 217, 0.1);
  width: 17px; height: 17px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Cards on dark bg (glass) */
.section-dark .card {
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255,255,255,0.09);
  box-shadow: none;
  backdrop-filter: blur(6px);
}
.section-dark .card::before { display: none; }
.section-dark .card:hover {
  background: rgba(0,105,217,0.12);
  border-color: rgba(56,182,255,0.42);
  transform: translateY(-6px);
  box-shadow: 0 20px 46px rgba(0, 20, 60, 0.45);
}
.section-dark .card h3 { color: #fff; }
.section-dark .card p { color: rgba(255,255,255,0.52); }

.product-card { display: flex; flex-direction: column; }
.product-card .product-tag {
  align-self: flex-start;
  background: rgba(0, 105, 217, 0.18);
  border: 1px solid rgba(56, 182, 255, 0.25);
  color: var(--blue-mid);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 4px 11px;
  border-radius: 6px;
  margin-bottom: 14px;
}
.product-card p { flex: 1; }
.product-card .btn { margin-top: 24px; align-self: flex-start; }

.product-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 18px;
  flex-shrink: 0;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}
.product-icon.icon-nivo { background: linear-gradient(135deg, #15803d, #4ade80); }
.product-icon.icon-vibe { background: linear-gradient(135deg, #6d28d9, #a78bfa); }
.product-icon.icon-echo { background: linear-gradient(135deg, #c2410c, #fb923c); }
.product-icon.icon-secapp { background: linear-gradient(135deg, #b91c1c, #f87171); }
.product-icon.icon-razpored { background: linear-gradient(135deg, #0e7490, #22d3ee); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--blue-deep) 0%, var(--blue) 55%, #0d8bff 100%);
  border-radius: 22px;
  padding: 72px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 74, 173, 0.35);
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 50% 50%, #000 20%, transparent 80%);
}
.cta-band::after {
  content: '';
  position: absolute;
  top: -60%; right: -10%;
  width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(255,255,255,0.14), transparent 65%);
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #fff; margin-bottom: 14px; font-size: clamp(1.6rem, 3.3vw, 2.3rem); letter-spacing: -0.02em; }
.cta-band p { color: rgba(255,255,255,0.82); font-size: 1.08rem; margin: 0 auto 32px; max-width: 520px; }
.cta-band .hero-actions { margin-bottom: 0; }
.cta-band .btn-primary {
  background: #fff;
  color: var(--blue-deep);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.cta-band .btn-primary:hover { background: #eaf3ff; color: var(--blue-deep); transform: translateY(-2px); }
.cta-band .btn-outline { border-color: rgba(255,255,255,0.55); color: #fff; }
.cta-band .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; color: #fff; }

/* ---------- Contact ---------- */
.contact-card { text-align: center; }
.contact-card .card-icon { margin: 0 auto 20px; }
.contact-card a { font-weight: 700; font-size: 1.05rem; }
.contact-card .btn { margin-top: 8px; }

/* ---------- About ---------- */
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.about-lead {
  max-width: 760px;
  margin: 0 auto 60px;
  text-align: center;
  font-size: clamp(1.08rem, 2vw, 1.25rem);
  line-height: 1.8;
  color: var(--ink-soft);
}
.about-lead strong { color: var(--ink); }

.about-stats {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 880px;
  margin: 0 auto 64px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-stat-item { text-align: center; padding: 0 40px; }
.about-stat-item + .about-stat-item { border-left: 1px solid var(--border); }
.about-stat-number {
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(180deg, var(--blue), var(--blue-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.about-stat-label { font-size: 0.76rem; color: var(--ink-soft); margin-top: 8px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }

.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.skill-tag {
  background: rgba(0, 105, 217, 0.08);
  border: 1px solid rgba(0, 105, 217, 0.18);
  color: var(--blue-dark);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
}

/* Process steps with connector */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-grid .card { text-align: left; }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--navy-950);
  color: rgba(255,255,255,0.5);
  padding: 68px 0 0;
  margin-top: 0;
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 620px; height: 240px;
  background: radial-gradient(ellipse, rgba(0,105,217,0.16), transparent 70%);
  pointer-events: none;
}
.footer-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px 48px;
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.footer-brand .logo-link { color: #fff; font-size: 1.35rem; }
.footer-brand p { color: rgba(255,255,255,0.42); margin-top: 14px; max-width: 300px; font-size: 0.93rem; line-height: 1.7; }
.footer-col h4 {
  color: rgba(255,255,255,0.9);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-col { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { color: rgba(255,255,255,0.52); font-size: 0.93rem; transition: color 0.2s, transform 0.2s; }
.footer-col a:hover { color: var(--blue-mid); }
.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 28px;
  text-align: center;
  font-size: 0.85rem;
}
.footer-bottom p { color: rgba(255,255,255,0.35); margin: 0; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Modal / Chat ---------- */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0;
  width: 100%; height: 100%;
  overflow: auto;
  background-color: rgba(4, 10, 22, 0.7);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.25s;
}
.modal-content {
  background-color: #fff;
  margin: 5% auto;
  border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
  width: 90%;
  max-width: 800px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  animation: slideDown 0.35s var(--ease);
  overflow: hidden;
}
@keyframes slideDown { from { transform: translateY(-40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { margin: 0; color: var(--blue); font-size: 1.1rem; }
.close-modal { color: #aab4c4; font-size: 28px; font-weight: bold; cursor: pointer; transition: color 0.2s; line-height: 1; }
.close-modal:hover { color: var(--blue); }

.chat-container { background: #fff; display: flex; flex-direction: column; flex: 1; min-height: 0; }
.chat-messages { height: 50vh; min-height: 280px; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.message { padding: 11px 16px; border-radius: 14px; max-width: 80%; word-break: break-word; font-size: 0.95rem; line-height: 1.6; }
.message.system { align-self: center; background: var(--bg-alt); color: var(--ink-soft); font-size: 0.88rem; text-align: center; max-width: 100%; }
.message.user { align-self: flex-end; background: linear-gradient(180deg, #0d78ea, var(--blue)); color: #fff; }
.message.ai { align-self: flex-start; background: #f0f7ff; border-left: 3px solid var(--blue); }
.message.ai a { color: var(--blue); }
.message.ai a:hover { text-decoration: underline; }
.message.ai pre { background: #f5f5f5; border-radius: 6px; padding: 10px; margin: 10px 0; overflow-x: auto; font-family: monospace; }
.message.ai code { font-family: monospace; font-size: 0.9em; background: #f5f5f5; border-radius: 3px; padding: 2px 4px; }
.message.ai ul, .message.ai ol { margin: 10px 0; padding-left: 25px; }
.message.ai li { margin: 5px 0; }
.message.ai h1, .message.ai h2, .message.ai h3, .message.ai h4 { margin: 15px 0 10px; font-weight: 700; color: var(--ink); }
.chat-input-container { display: flex; border-top: 1px solid var(--border); padding: 15px; gap: 10px; }
.chat-input { flex: 1; padding: 12px 18px; border: 1px solid var(--border); border-radius: 100px; font-size: 0.96rem; font-family: inherit; outline: none; transition: border-color 0.2s, box-shadow 0.2s; }
.chat-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 105, 217, 0.12); }
.typing-indicator { display: flex; align-self: flex-start; background: var(--bg-alt); padding: 12px 20px; border-radius: 14px; color: var(--ink-soft); margin: 5px 0; align-items: center; gap: 10px; font-size: 0.9rem; }
.loader { display: inline-block; width: 18px; height: 18px; border: 3px solid rgba(0,105,217,0.22); border-radius: 50%; border-top-color: var(--blue); animation: spin 0.9s linear infinite; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .grid-4, .process-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-actions { margin-left: auto; }
  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(6, 13, 27, 0.98);
    backdrop-filter: blur(16px);
    padding: 18px 24px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    gap: 4px;
  }
  .site-header.nav-open .main-nav a { padding: 12px 14px; }
  .site-header.nav-open .main-nav a.active::after { display: none; }
  .grid, .grid-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .hero { padding: 100px 0 70px; }
  .stat-item { padding: 0 26px; }
  section { padding: 64px 0; }
  .cta-band { padding: 56px 28px; }
}
@media (max-width: 560px) {
  .grid-4, .process-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .stat-item { padding: 0 18px; }
  .stat-number { font-size: 1.8rem; }
  .about-stats { flex-direction: column; gap: 20px; padding: 24px 0; }
  .about-stat-item { padding: 0; }
  .about-stat-item + .about-stat-item { border-left: none; border-top: 1px solid var(--border); padding-top: 20px; }
  .header-actions #open-chat-btn span { display: none; }
  .header-actions #open-chat-btn::after { content: '\f086'; font-family: 'Font Awesome 6 Free'; font-weight: 900; }
}