/* ============================================================
   TwinTech AB — styles.css
   Palette: Navy #0B1929, Blue #1565C0, Sky #2196F3,
            Graphite #263238, White #FFFFFF, Light #F5F7FA
   ============================================================ */

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

:root {
  --navy:       #0B1929;
  --navy-mid:   #112240;
  --blue:       #1565C0;
  --blue-bright:#2196F3;
  --sky:        #42A5F5;
  --graphite:   #263238;
  --graphite-mid:#37474F;
  --white:      #FFFFFF;
  --off-white:  #F5F7FA;
  --text:       #E8EAF0;
  --text-muted: #90A4AE;
  --border:     rgba(255,255,255,0.08);
  --card-bg:    rgba(255,255,255,0.04);
  --radius:     16px;
  --radius-sm:  10px;
  --shadow:     0 4px 32px rgba(0,0,0,0.3);
  --transition: 0.25s ease;
  --font:       'Plus Jakarta Sans', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--navy);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(11,25,41,0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: 1160px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
}
.logo-mark {
  width: 34px;
  height: 34px;
  display: block;
  flex-shrink: 0;
}
.logo-text { color: var(--white); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links .nav-cta {
  background: var(--blue);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: 50px;
  font-weight: 600;
  transition: background var(--transition);
}
.nav-links .nav-cta:hover { background: var(--blue-bright); }

/* ── Language Switcher ─────────────────────────────────────── */
.lang-switcher {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 16px;
}
.lang-switcher__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.lang-switcher__btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: rgba(255,255,255,0.22);
}
.lang-switcher__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 6px;
  min-width: 160px;
  z-index: 200;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
}
.lang-switcher__dropdown.open { display: block; }
.lang-option {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-family: var(--font);
  transition: background 0.15s, color 0.15s;
}
.lang-option:hover { background: rgba(255,255,255,0.08); color: var(--white); }
.lang-option.active { color: var(--sky); font-weight: 600; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 8px 24px 20px;
  background: rgba(11,25,41,0.97);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}
.nav-mobile a {
  padding: 12px 0;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.nav-mobile a:last-child { border-bottom: none; }
.nav-mobile a:hover { color: var(--white); }
.nav-mobile.open { display: flex; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(21,101,192,0.2) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(33,150,243,0.1) 0%, transparent 60%),
    var(--navy);
  z-index: 0;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(33,150,243,0.12);
  border: 1px solid rgba(33,150,243,0.25);
  color: var(--sky);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.badge-dot {
  width: 7px; height: 7px;
  background: var(--sky);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.12;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.gradient-text {
  background: linear-gradient(135deg, var(--blue-bright) 0%, var(--sky) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { text-align: left; }
.stat-num {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollDown 1.8s ease infinite;
}
@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--font);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(21,101,192,0.4);
}
.btn-primary:hover {
  background: var(--blue-bright);
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(33,150,243,0.45);
}
.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-1px);
}
.btn-full { width: 100%; }

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 100px 0;
}
.section-dark {
  background: var(--navy-mid);
}
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sky);
  background: rgba(33,150,243,0.1);
  border: 1px solid rgba(33,150,243,0.2);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.section-title.centered { text-align: center; }
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

/* ============================================================
   OM OSS — two column
   ============================================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.two-col-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.75;
}
.two-col-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mini-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color var(--transition);
}
.mini-card:hover { border-color: rgba(33,150,243,0.3); }
.mini-card-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.mini-card strong {
  display: block;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 4px;
}
.mini-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   TJÄNSTER
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.service-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: rgba(33,150,243,0.35);
  transform: translateY(-2px);
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   PRODUKTER
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card:hover { transform: translateY(-3px); }
.product-twinpare {
  background: linear-gradient(135deg, rgba(103,58,183,0.15) 0%, rgba(21,101,192,0.1) 100%);
  border-color: rgba(103,58,183,0.3);
}
.product-twinpare:hover { border-color: rgba(103,58,183,0.5); }
.product-health {
  background: rgba(255,255,255,0.03);
}
.product-platform {
  background: linear-gradient(135deg, rgba(21,101,192,0.12) 0%, rgba(38,50,56,0.2) 100%);
  border-color: rgba(21,101,192,0.2);
}
.product-platform:hover { border-color: rgba(33,150,243,0.4); }
.product-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}
.product-logo { font-size: 2rem; }
.product-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(33,150,243,0.15);
  color: var(--sky);
  padding: 4px 10px;
  border-radius: 50px;
  border: 1px solid rgba(33,150,243,0.2);
}
.product-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.product-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}
.product-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sky);
  transition: color var(--transition);
}
.product-link:hover { color: var(--white); }
.product-link.muted { color: var(--text-muted); cursor: default; }

/* ============================================================
   GRUNDARE
   ============================================================ */
.founders-layout {
  display: grid;
  grid-template-columns: minmax(320px, 520px) minmax(360px, 1fr);
  gap: 56px;
  align-items: start;
  justify-content: space-between;
}
.founder-photo-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
}
.founder-photo {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  object-fit: cover;
  object-position: center;
  display: block;
}
.founder-photo-placeholder {
  width: 220px;
  height: 280px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--blue) 0%, var(--graphite) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255,255,255,0.5);
  border: 1px solid var(--border);
}
.founder-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
}
.founder-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.75;
}
.founder-text {
  max-width: 620px;
}
.founder-vision {
  background: rgba(33,150,243,0.08);
  border-left: 3px solid var(--blue);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text) !important;
  font-style: italic;
}

/* ============================================================
   PARTNERS
   ============================================================ */
.partners-section { border-top: 1px solid var(--border); }
.partners-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.partners-layout p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.75;
}
.partner-values {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.value-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 2px; }
.value-item strong {
  display: block;
  color: var(--white);
  font-weight: 600;
  margin-bottom: 4px;
}
.value-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0 !important;
  line-height: 1.5;
}

/* ============================================================
   KONTAKT
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); }
.form-group select { cursor: pointer; appearance: none; }
.form-group select option { background: var(--graphite); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  background: rgba(21,101,192,0.08);
}
.form-success {
  display: none;
  background: rgba(33,150,243,0.12);
  border: 1px solid rgba(33,150,243,0.3);
  color: var(--sky);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-align: center;
}
.form-success.visible { display: block; }

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 220px;
  padding-top: 8px;
}
.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.contact-icon { font-size: 1.3rem; flex-shrink: 0; }
.contact-item strong {
  display: block;
  color: var(--white);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 2px;
}
.contact-item a,
.contact-item span {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--sky); }
.contact-divider {
  height: 1px;
  background: var(--border);
}
.contact-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.contact-note a { color: var(--sky); font-weight: 600; }
.contact-note a:hover { color: var(--white); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--graphite);
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding: 60px 24px 48px;
  max-width: 1160px;
  margin: 0 auto;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 48px;
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col strong {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  font-weight: 700;
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: var(--text-muted); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--white); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .two-col,
  .founders-layout,
  .partners-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 32px; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
  .founder-photo-wrapper { max-width: 460px; margin: 0 auto; }
  .founder-photo { width: 100%; height: auto; max-height: none; }
  .founder-text { max-width: none; }
  .founder-photo-placeholder { width: 100%; height: 200px; }
}

@media (max-width: 600px) {
  .section { padding: 70px 0; }
  .hero { padding: 120px 0 60px; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .hero-scroll { display: none; }
}