/* =============================================
   SCNS – Schmeitz Computer & Network Service
   Stylesheet
   ============================================= */

/* ---- CSS Custom Properties ---- */
:root {
  --color-primary:    #1a4f6e;
  --color-accent:     #7ab8d4;
  --color-accent-dark:#4e9dbf;
  --color-light-bg:   #edf6fb;
  --color-white:      #ffffff;
  --color-text:       #1e293b;
  --color-text-muted: #4d7a90;
  --color-border:     #c8dfe9;
  --color-dark-bg:    #0d3d56;
  --color-dark-card:  #0f4d6c;
  --font:             'Inter', system-ui, -apple-system, sans-serif;
  --radius:           10px;
  --shadow-sm:        0 1px 4px rgba(0,0,0,.08);
  --shadow-md:        0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:        0 8px 40px rgba(0,0,0,.18);
  --transition:       0.25s ease;
  --max-width:        1160px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.7;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* ---- Utility ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

.section-light { background: var(--color-light-bg); }

.section-dark  { background: var(--color-dark-bg); }

.section-contact { background: var(--color-primary); }

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title.light { color: var(--color-white); }

.section-sub {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 56px;
  max-width: 560px;
}

.section-sub.light { color: rgba(255,255,255,.75); }

.mt-2 { margin-top: 24px; display: inline-block; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: 0 4px 16px rgba(122,184,212,.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-ghost {
  background: rgba(255,255,255,.12);
  color: var(--color-white);
  border-color: rgba(255,255,255,.4);
}

.btn-ghost:hover {
  background: rgba(255,255,255,.25);
  border-color: rgba(255,255,255,.8);
}

.btn-full { width: 100%; justify-content: center; }

/* =============================================
   HEADER
   ============================================= */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo-fallback {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -1px;
  display: none;
}

nav { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list a {
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 500;
  font-size: .95rem;
  color: var(--color-text);
  transition: color var(--transition), background var(--transition);
}

.nav-list a:hover { color: var(--color-accent); background: var(--color-light-bg); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

/* =============================================
   HERO SLIDER
   ============================================= */
.hero {
  background: linear-gradient(135deg, #0d3d56 0%, #1a5872 60%, #237394 100%);
  padding: 72px 0 0;
  overflow: hidden;
  position: relative;
}

/* Slider wrapper – fixed height so absolute slides stack cleanly */
.hero-slider {
  position: relative;
  min-height: 420px;
}

/* Each slide: absolutely stacked, hidden by default */
.hero-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.75s ease, transform 0.75s ease;
  pointer-events: none;
}

.hero-slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  position: relative; /* active slide drives container height */
}

/* Tag label above heading */
.hero-tag {
  display: inline-block;
  background: rgba(122,184,212,.18);
  border: 1px solid rgba(122,184,212,.35);
  color: var(--color-accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 20px;
}

.highlight {
  color: var(--color-accent);
}

.hero-sub {
  color: rgba(255,255,255,.8);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* SVG visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-svg {
  width: 100%;
  max-width: 360px;
  height: auto;
  filter: drop-shadow(0 0 24px rgba(122,184,212,.18));
}

/* ---- Controls ---- */
.hero-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 28px 0 36px;
  position: relative;
}

.hero-arrow {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.8);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  flex-shrink: 0;
}

.hero-arrow:hover {
  background: rgba(122,184,212,.25);
  border-color: rgba(122,184,212,.6);
  transform: scale(1.08);
}

.hero-dots {
  display: flex;
  gap: 10px;
  align-items: center;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.3);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition), width var(--transition);
}

.hero-dot.active {
  background: var(--color-accent);
  width: 28px;
  border-radius: 5px;
  transform: none;
}

/* Auto-play progress bar */
.hero-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,.1);
}

.hero-progress-bar {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width linear;
}

/* =============================================
   SERVICES
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.service-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: .95rem;
  line-height: 1.6;
}

/* =============================================
   OVER ONS
   ============================================= */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text p {
  color: rgba(255,255,255,.8);
  margin-bottom: 18px;
  font-size: 1.05rem;
}

.about-list {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-list li {
  color: rgba(255,255,255,.85);
  font-size: 1rem;
}

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.stat {
  background: var(--color-dark-card);
  border: 1px solid rgba(0,180,216,.2);
  border-radius: var(--radius);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  color: rgba(255,255,255,.7);
  font-size: .9rem;
}

/* =============================================
   PARTNERS
   ============================================= */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

/* =============================================
   CERTIFICERINGEN
   ============================================= */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.cert-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.cert-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.cert-logo {
  flex-shrink: 0;
  margin-top: 2px;
}

.cert-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cert-label {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-muted);
}

.cert-info h3 {
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  overflow-wrap: break-word;
  word-break: break-word;
  hyphens: auto;
}

.cert-validity {
  font-size: .8rem;
  color: var(--color-text-muted);
}

.cert-validity.active {
  color: #2d9e6b;
  font-weight: 600;
}

.cert-validity.active::before {
  content: '✔ ';
}

.certs-footer {
  text-align: center;
  margin-top: 8px;
}

/* =============================================
   PARTNERS
   ============================================= */
.partner-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.partner-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--color-accent);
}

.partner-icon {
  font-size: 2.8rem;
}

.partner-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.partner-card p {
  color: var(--color-text-muted);
  font-size: .95rem;
  flex: 1;
}

.partner-link {
  color: var(--color-accent);
  font-weight: 600;
  font-size: .95rem;
  margin-top: 8px;
  transition: gap var(--transition);
}

.partner-card:hover .partner-link { letter-spacing: .5px; }

/* =============================================
   CONTACT
   ============================================= */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3,
.contact-form-wrap h3 {
  color: var(--color-white);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 28px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-list div {
  color: rgba(255,255,255,.85);
  font-size: .95rem;
  line-height: 1.6;
}

.contact-list strong {
  color: var(--color-white);
  display: block;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-list a {
  color: var(--color-accent);
  transition: opacity var(--transition);
}

.contact-list a:hover { opacity: .8; }

/* Form */
.contact-form-wrap {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 40px 36px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.form-group label {
  font-weight: 600;
  font-size: .9rem;
  color: rgba(255,255,255,.85);
}

.form-group label span { color: var(--color-accent); }

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,.09);
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 1rem;
  color: var(--color-white);
  font-family: var(--font);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group select option {
  background: var(--color-primary);
  color: var(--color-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,.35);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  background: rgba(255,255,255,.12);
}

.form-group input.invalid,
.form-group select.invalid,
.form-group textarea.invalid {
  border-color: #f87171;
}

.field-error {
  color: #fca5a5;
  font-size: .82rem;
  min-height: 1rem;
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.form-success {
  margin-top: 16px;
  padding: 14px 18px;
  background: rgba(0,180,216,.15);
  border: 1px solid rgba(0,180,216,.4);
  border-radius: 8px;
  color: #bae6fd;
  font-size: .95rem;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #060f1c;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-top: 60px;
  padding-bottom: 48px;
}

.footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: 10px;
  mix-blend-mode: screen;
  filter: brightness(1.1);
}

.footer-name {
  display: block;
  font-weight: 700;
  color: var(--color-white);
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.footer-tagline {
  color: rgba(255,255,255,.45);
  font-size: .9rem;
  font-style: italic;
}

.footer-links h4 {
  color: var(--color-white);
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,.55);
  font-size: .9rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}

.footer-bottom p {
  color: rgba(255,255,255,.35);
  font-size: .82rem;
  text-align: center;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .hero-slide       { grid-template-columns: 1fr; }
  .hero-visual      { display: none; }
  .hero-slider      { min-height: 340px; }
  .about-inner      { grid-template-columns: 1fr; gap: 48px; }
  .contact-inner    { grid-template-columns: 1fr; }
  .footer-inner     { grid-template-columns: 1fr 1fr; }
  .footer-brand     { grid-column: span 2; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero    { padding: 56px 0 0; }
  .hero-slider  { min-height: 300px; }

  .nav-list { display: none; }
  .nav-list.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 16px 24px;
    z-index: 99;
    gap: 4px;
  }

  .nav-list.open a { display: block; padding: 12px 16px; }
  .nav-toggle { display: flex; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .footer-inner  { grid-template-columns: 1fr; }
  .footer-brand  { grid-column: unset; }

  .services-grid     { grid-template-columns: 1fr; }
  .partners-grid     { grid-template-columns: 1fr; }
  .about-stats       { flex-direction: row; flex-wrap: wrap; }
  .stat              { flex: 1 1 140px; }
  .contact-form-wrap { padding: 24px 20px; }
}