/* =====================================================
   CaNS GmbH – cansgroup.de
   Modern dark tech design
   ===================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg:          #080d16;
  --bg-1:        #0d1525;
  --bg-2:        #111c30;
  --bg-card:     #0f1a2e;
  --border:      rgba(99,130,180,0.15);
  --border-glow: rgba(56,189,248,0.25);
  --text:        #e2e8f0;
  --text-muted:  #64748b;
  --text-light:  #94a3b8;
  --primary:     #2563eb;
  --primary-h:   #1d4ed8;
  --accent:      #06b6d4;
  --accent-2:    #7c3aed;
  --grad:        linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --grad-text:   linear-gradient(135deg, #60a5fa 0%, #06b6d4 100%);
  --radius:      14px;
  --radius-sm:   8px;
  --font:        'Inter', system-ui, -apple-system, sans-serif;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.25);
  --transition:  0.25s ease;
  --max-w:       1160px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Utilities ---------- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 100px 0;
}
.section--dark {
  background: var(--bg-1);
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-head p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--text-light);
  font-size: 1.05rem;
}
.section-head--light h2 { color: #fff; }

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: #fff;
}
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin-bottom: 10px; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 9px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.55);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-glow);
  color: #fff;
  background: rgba(255,255,255,0.04);
}
.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* ---------- HEADER ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(8,13,22,0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--grad);
  position: relative;
  flex-shrink: 0;
}
.brand-icon::before,
.brand-icon::after {
  content: '';
  position: absolute;
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
}
.brand-icon::before {
  width: 14px; height: 3px;
  top: 10px; left: 9px;
  box-shadow: 0 5px 0 rgba(255,255,255,0.85), 0 10px 0 rgba(255,255,255,0.85);
}
.brand-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
}
.brand-text em {
  font-style: normal;
  color: var(--accent);
}
.brand-dot { color: var(--accent); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 9px 20px !important;
}
.nav-cta:hover {
  background: var(--primary-h) !important;
  transform: none;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 50% 50%, black 30%, transparent 80%);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
}
.glow-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #2563eb, transparent);
  top: -100px; left: -100px;
}
.glow-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #06b6d4, transparent);
  bottom: 0; right: 10%;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37,99,235,0.15);
  border: 1px solid rgba(37,99,235,0.35);
  color: #93c5fd;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll span {
  display: block;
  width: 24px;
  height: 38px;
  border: 2px solid var(--border-glow);
  border-radius: 12px;
  position: relative;
}
.hero-scroll span::after {
  content: '';
  position: absolute;
  width: 4px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  top: 6px; left: 50%;
  transform: translateX(-50%);
  animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  80%       { opacity: 0; transform: translateX(-50%) translateY(14px); }
}

/* ---------- SERVICES ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.service-card--featured {
  border-color: rgba(37,99,235,0.45);
  background: linear-gradient(135deg, rgba(37,99,235,0.12), rgba(6,182,212,0.06));
}
.service-card--featured::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: var(--grad);
  opacity: 0.04;
}
.feature-badge {
  position: absolute;
  top: 18px; right: 18px;
  background: rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.4);
  color: #93c5fd;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}
.service-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 20px;
  position: relative;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.2);
}
.service-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
}
/* Pseudo-icon styles using background patterns */
.icon-consulting { background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(124,58,237,0.2)); }
.icon-network    { background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(37,99,235,0.2)); }
.icon-cloud      { background: linear-gradient(135deg, rgba(37,99,235,0.25), rgba(6,182,212,0.25)); }
.icon-security   { background: linear-gradient(135deg, rgba(124,58,237,0.2), rgba(37,99,235,0.2)); }
.icon-managed    { background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(124,58,237,0.2)); }
.icon-telephony  { background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(6,182,212,0.2)); }

.service-card h3 { color: #fff; margin-bottom: 10px; }
.service-card p  { color: var(--text-light); font-size: 0.92rem; line-height: 1.65; }

/* ---------- PORTFOLIO STRIP ---------- */
.portfolio-strip {
  background: var(--bg-1);
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.portfolio-strip .section-head { margin-bottom: 48px; }
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.portfolio-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  text-align: center;
  transition: border-color var(--transition), color var(--transition);
}
.portfolio-item:hover {
  border-color: var(--border-glow);
  color: var(--accent);
}
.portfolio-icon {
  font-size: 1.4rem;
  color: var(--primary);
  opacity: 0.7;
}

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
}
.about-text h2 { margin-bottom: 20px; }
.about-text .lead {
  font-size: 1.1rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 18px;
}
.about-text p {
  color: var(--text-light);
  margin-bottom: 28px;
}
.check-list { display: flex; flex-direction: column; gap: 12px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-light);
  font-size: 0.95rem;
}
.check-list li::before {
  content: '';
  flex-shrink: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: rgba(6,182,212,0.15);
  border: 1.5px solid rgba(6,182,212,0.4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%2306b6d4' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
  margin-top: 1px;
}
.about-visual { display: flex; align-items: center; justify-content: center; }
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow-glow);
}
.about-card-inner {
  border-radius: 17px;
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.05));
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.about-metric { display: flex; flex-direction: column; gap: 6px; }
.metric-num {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.metric-num sup {
  font-size: 1.4rem;
  vertical-align: super;
}
.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

/* ---------- INDUSTRIES ---------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.industry-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}
.industry-icon {
  font-size: 2rem;
  margin-bottom: 18px;
  display: block;
}
.industry-card h3 { color: #fff; margin-bottom: 12px; }
.industry-card p  { color: var(--text-light); font-size: 0.92rem; line-height: 1.65; margin-bottom: 20px; }
.industry-tag {
  display: inline-block;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}

/* ---------- CTA BAND ---------- */
.cta-band {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-glow {
  position: absolute;
  width: 700px; height: 400px;
  background: radial-gradient(ellipse, rgba(37,99,235,0.2), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}
.cta-inner p {
  color: var(--text-light);
  max-width: 520px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
}

/* ---------- CONTACT ---------- */
.section--contact { background: var(--bg); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
.contact-info h2 { margin-bottom: 16px; }
.contact-info > p { color: var(--text-light); margin-bottom: 36px; }
.contact-items { display: flex; flex-direction: column; gap: 22px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  font-size: 1.3rem;
  width: 44px; height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item strong {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 3px;
}
.contact-item a { color: var(--text); transition: color var(--transition); }
.contact-item a:hover { color: var(--accent); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.02em;
}
.form-field input,
.form-field select,
.form-field textarea {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.92rem;
  padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
  -webkit-appearance: none;
}
.form-field select { cursor: pointer; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-muted); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: -6px;
}
.form-success {
  display: none;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.3);
  color: var(--accent);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p {
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  color: var(--text-light);
  font-size: 0.875rem;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }
.footer-col li {
  color: var(--text-muted);
  font-size: 0.875rem;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

/* ---------- FADE-IN ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .about-card { max-width: 100%; }
  .about-card-inner { flex-direction: row; justify-content: space-around; padding: 32px; }
}
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .industry-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .main-nav { display: none; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: rgba(8,13,22,0.97); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 16px 24px; }
  .main-nav.open ul { flex-direction: column; gap: 4px; }
  .main-nav.open a { display: block; padding: 12px 14px; }
  .nav-toggle { display: flex; }
  .form-row-2 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 2.4rem; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .about-card-inner { flex-direction: column; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }
}