/* ============================================
   Sentig Systems Norge — Centralized Stylesheet
   Scandinavian Minimalist Design
   ============================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Palette — Nordic muted tones */
  --clr-bg:        #f7f6f3;
  --clr-surface:   #ffffff;
  --clr-text:      #1a1a1a;
  --clr-text-mid:  #5a5a5a;
  --clr-text-light:#8a8a8a;
  --clr-accent:    #2c5f4a;        /* deep forest green — trust, tech, Nordic */
  --clr-accent-light:#e8f0ec;
  --clr-border:    #e2e0db;
  --clr-border-light:#eeede9;
  --clr-highlight: #d4a853;        /* warm gold accent */
  --clr-dark:      #111111;
  --clr-dark-surface:#1a1a1a;
  --clr-card-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.03);
  --clr-card-shadow-hover: 0 2px 8px rgba(0,0,0,0.06), 0 8px 24px rgba(0,0,0,0.06);

  /* Typography */
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body:    'DM Sans', 'Segoe UI', Helvetica, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing scale */
  --sp-xs:  0.25rem;
  --sp-sm:  0.5rem;
  --sp-md:  1rem;
  --sp-lg:  1.5rem;
  --sp-xl:  2.5rem;
  --sp-2xl: 4rem;
  --sp-3xl: 6rem;

  /* Layout */
  --max-width: 1140px;
  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--clr-highlight);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--clr-text);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p {
  max-width: 68ch;
  margin-bottom: var(--sp-md);
}

.text-mid   { color: var(--clr-text-mid); }
.text-light { color: var(--clr-text-light); }
.text-accent{ color: var(--clr-accent); }

/* --- Layout Utilities --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

.section {
  padding: var(--sp-3xl) 0;
}

.section--alt {
  background: var(--clr-surface);
}

.grid {
  display: grid;
  gap: var(--sp-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

/* --- Header / Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 246, 243, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border-light);
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.site-logo img {
  height: 36px;
  width: auto;
}

.site-logo span {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--clr-text);
  letter-spacing: 0.02em;
}

/* Desktop nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.site-nav a {
  color: var(--clr-text-mid);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
  padding: var(--sp-xs) 0;
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--clr-text);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

/* Mobile hamburger */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--clr-text);
  position: absolute;
  left: 0;
  transition: all var(--transition);
}

.nav-toggle span:nth-child(1) { top: 0; }
.nav-toggle span:nth-child(2) { top: 11px; }
.nav-toggle span:nth-child(3) { top: 22px; }

.nav-toggle.open span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--clr-surface);
    flex-direction: column;
    padding: var(--sp-lg);
    gap: var(--sp-md);
    border-bottom: 1px solid var(--clr-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }

  .site-nav.open {
    display: flex;
  }
}

/* --- Hero Section --- */
.hero {
  padding: var(--sp-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--clr-accent-light) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
}

.hero h1 {
  margin-bottom: var(--sp-lg);
  position: relative;
}

.hero h1 .accent {
  color: var(--clr-accent);
}

.hero .lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--clr-text-mid);
  max-width: 58ch;
  margin: 0 auto var(--sp-xl);
  line-height: 1.8;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: var(--sp-md);
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-md);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text-mid);
}

.badge svg {
  width: 16px;
  height: 16px;
  color: var(--clr-accent);
}

/* --- Cards --- */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  box-shadow: var(--clr-card-shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--clr-card-shadow-hover);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--clr-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-lg);
  color: var(--clr-accent);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  margin-bottom: var(--sp-sm);
}

.card p {
  color: var(--clr-text-mid);
  font-size: 0.95rem;
}

/* --- Plugin / Product Cards --- */
.plugin-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--clr-card-shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
}

.plugin-card:hover {
  box-shadow: var(--clr-card-shadow-hover);
  transform: translateY(-2px);
}

.plugin-card-header {
  padding: var(--sp-xl);
  background: linear-gradient(135deg, var(--clr-accent-light) 0%, var(--clr-bg) 100%);
  border-bottom: 1px solid var(--clr-border-light);
}

.plugin-card-header h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.15rem;
}

.plugin-card-header .plugin-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-sm);
}

.plugin-card-body {
  padding: var(--sp-xl);
  flex: 1;
}

.plugin-card-body p {
  color: var(--clr-text-mid);
  font-size: 0.93rem;
}

.plugin-card-footer {
  padding: var(--sp-md) var(--sp-xl);
  border-top: 1px solid var(--clr-border-light);
}

.plugin-card-footer a {
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
}

.plugin-card-footer a svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition);
}

.plugin-card-footer a:hover svg {
  transform: translateX(3px);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}

.section-header .overline {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-sm);
}

.section-header h2 {
  margin-bottom: var(--sp-md);
}

.section-header p {
  color: var(--clr-text-mid);
  max-width: 52ch;
  margin: 0 auto;
}

/* --- Values / USP List --- */
.value-row {
  display: flex;
  gap: var(--sp-xl);
  align-items: flex-start;
  padding: var(--sp-xl) 0;
  border-bottom: 1px solid var(--clr-border-light);
}

.value-row:last-child {
  border-bottom: none;
}

.value-number {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--clr-accent);
  opacity: 0.35;
  line-height: 1;
  width: 48px;
}

.value-content h3 {
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: var(--sp-xs);
}

.value-content p {
  color: var(--clr-text-mid);
  font-size: 0.95rem;
}

@media (max-width: 600px) {
  .value-row {
    flex-direction: column;
    gap: var(--sp-sm);
  }
}

/* --- CTA / Contact Section --- */
.cta-section {
  background: var(--clr-dark);
  color: #fff;
  text-align: center;
  padding: var(--sp-3xl) 0;
}

.cta-section h2 {
  color: #fff;
  margin-bottom: var(--sp-md);
}

.cta-section p {
  color: rgba(255,255,255,0.7);
  max-width: 50ch;
  margin: 0 auto var(--sp-xl);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--clr-accent);
  color: #fff;
}

.btn--primary:hover {
  background: #234d3b;
  color: #fff;
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}

.btn--outline:hover {
  border-color: #fff;
  color: #fff;
}

/* --- Footer --- */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-2xl) 0 var(--sp-xl);
  background: var(--clr-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-2xl);
  margin-bottom: var(--sp-2xl);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  color: var(--clr-text-mid);
  font-size: 0.9rem;
  margin-top: var(--sp-md);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-light);
  margin-bottom: var(--sp-md);
}

.footer-col a {
  display: block;
  color: var(--clr-text-mid);
  font-size: 0.9rem;
  padding: var(--sp-xs) 0;
}

.footer-col a:hover {
  color: var(--clr-text);
}

.footer-bottom {
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--clr-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--clr-text-light);
}

@media (max-width: 600px) {
  .footer-bottom {
    flex-direction: column;
    gap: var(--sp-sm);
    text-align: center;
  }
}

/* --- Plugin Detail Pages --- */
.plugin-hero {
  padding: var(--sp-2xl) 0 var(--sp-xl);
  border-bottom: 1px solid var(--clr-border-light);
}

.plugin-hero .overline {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--sp-sm);
}

.plugin-hero h1 {
  margin-bottom: var(--sp-md);
}

.plugin-hero .lead {
  color: var(--clr-text-mid);
  font-size: 1.1rem;
  max-width: 60ch;
}

.plugin-content {
  padding: var(--sp-2xl) 0;
}

.plugin-content h2 {
  margin-top: var(--sp-2xl);
  margin-bottom: var(--sp-lg);
  padding-bottom: var(--sp-sm);
  border-bottom: 2px solid var(--clr-accent-light);
}

.plugin-content h2:first-child {
  margin-top: 0;
}

.feature-list {
  list-style: none;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding: var(--sp-sm) 0 var(--sp-sm) var(--sp-xl);
  color: var(--clr-text-mid);
  line-height: 1.6;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 8px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--clr-text-light);
  padding: var(--sp-md) 0;
}

.breadcrumb a {
  color: var(--clr-text-light);
}

.breadcrumb a:hover {
  color: var(--clr-accent);
}

.breadcrumb span {
  margin: 0 var(--sp-sm);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

.animate-in:nth-child(2) { animation-delay: 0.1s; }
.animate-in:nth-child(3) { animation-delay: 0.2s; }
.animate-in:nth-child(4) { animation-delay: 0.3s; }

/* --- Utility Classes --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.text-center { text-align: center; }
.mt-sm { margin-top: var(--sp-sm); }
.mt-md { margin-top: var(--sp-md); }
.mt-lg { margin-top: var(--sp-lg); }
.mt-xl { margin-top: var(--sp-xl); }
.mb-sm { margin-bottom: var(--sp-sm); }
.mb-md { margin-bottom: var(--sp-md); }
.mb-lg { margin-bottom: var(--sp-lg); }