/* NAC Energi & Miljöteknik - Scandinavian Bright Clean Theme */
:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-subtle: #F1F5F9;
  --color-surface: #FFFFFF;
  --color-border: #E2E8F0;
  --color-border-subtle: #EDF2F7;
  
  --color-primary: #059669; /* Nordic Pine Green */
  --color-primary-dark: #047857;
  --color-primary-light: #D1FAE5;
  --color-primary-subtle: #ECFDF5;
  
  --color-accent: #0284C7; /* Baltic Sky Blue */
  --color-accent-light: #E0F2FE;
  
  --color-text-main: #0F172A; /* Deep Slate */
  --color-text-body: #334155;
  --color-text-muted: #64748B;
  --color-text-dim: #94A3B8;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  --container-width: 1200px;
  --transition: all 0.2s ease-in-out;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); background-color: var(--color-bg); color: var(--color-text-body); line-height: 1.65; min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-primary-dark); }
img { display: block; max-width: 100%; height: auto; }
button { font: inherit; }

.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 1.5rem; }

h1, h2, h3, h4, h5, h6 { color: var(--color-text-main); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.25rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.35rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1.15rem; color: var(--color-text-body); }
p.lead { font-size: 1.15rem; line-height: 1.7; color: var(--color-text-body); }

.badge-tag { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.9rem; background: var(--color-primary-subtle); border: 1px solid var(--color-primary-light); border-radius: var(--radius-full); color: var(--color-primary-dark); font-size: 0.825rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1.25rem; }
.section { padding: 5rem 0; }
.section-alt { background-color: var(--color-bg-alt); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section-header { max-width: 760px; margin: 0 auto 3.5rem auto; text-align: center; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.8rem 1.6rem; font-size: 0.95rem; font-weight: 600; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn-primary { background: var(--color-primary); color: #FFFFFF; box-shadow: 0 2px 8px rgba(5,150,105,0.25); }
.btn-primary:hover { background: var(--color-primary-dark); color: #FFFFFF; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(5,150,105,0.35); }
.btn-secondary { background: #FFFFFF; color: var(--color-text-main); border-color: var(--color-border); box-shadow: var(--shadow-sm); }
.btn-secondary:hover { background: var(--color-bg-alt); border-color: var(--color-text-dim); color: var(--color-text-main); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 78px; }
.brand-logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 800; font-size: 1.3rem; color: var(--color-text-main); letter-spacing: -0.02em; }
.brand-logo svg { width: 34px; height: 34px; flex-shrink: 0; }
.brand-logo span b { color: var(--color-primary); }
.nav-menu { display: flex; align-items: center; list-style: none; gap: 2rem; }
.nav-link { color: var(--color-text-body); font-size: 0.95rem; font-weight: 600; padding: 0.5rem 0; position: relative; }
.nav-link:hover, .nav-link.active { color: var(--color-primary); }
.nav-link.active::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: var(--color-primary); border-radius: 2px; }
.menu-toggle { display: none; background: none; border: none; color: var(--color-text-main); font-size: 1.5rem; cursor: pointer; }

/* Hero */
.hero { padding: 5rem 0 4.5rem 0; background: linear-gradient(180deg, #F0FDF4 0%, #FFFFFF 100%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3.5rem; align-items: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin: 2rem 0; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; padding-top: 2rem; border-top: 1px solid var(--color-border); }
.stat-box h4 { font-size: 1.85rem; font-weight: 800; color: var(--color-primary-dark); margin-bottom: 0.15rem; }
.stat-box p { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 0; }
.hero-img-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-xl); border: 4px solid #FFFFFF; }
.hero-img { width: 100%; height: 380px; object-fit: cover; }

/* Trust Strip */
.trust-strip { padding: 2rem 0; background: #FFFFFF; border-bottom: 1px solid var(--color-border); }
.trust-grid { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 2.5rem; font-size: 0.9rem; font-weight: 700; color: var(--color-text-muted); }
.trust-item { display: flex; align-items: center; gap: 0.5rem; }
.trust-item svg { width: 20px; height: 20px; color: var(--color-primary); }

/* Cards & Grid */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 3rem; }
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-primary-light); }
.card-img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-md); margin-bottom: 1.25rem; }
.card-list { list-style: none; margin: 1.25rem 0; display: flex; flex-direction: column; gap: 0.6rem; }
.card-list li { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.925rem; color: var(--color-text-body); }
.card-list li svg { width: 18px; height: 18px; color: var(--color-primary); flex-shrink: 0; margin-top: 0.15rem; }

/* Highlight Box */
.highlight-box { background: linear-gradient(135deg, #ECFDF5 0%, #F0FDF4 100%); border: 1px solid var(--color-primary-light); border-radius: var(--radius-lg); padding: 2.75rem; }
.highlight-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem; align-items: center; }
.savings-metric-card { background: #FFFFFF; border: 1px solid var(--color-primary-light); border-radius: var(--radius-md); padding: 2rem; text-align: center; box-shadow: var(--shadow-md); }
.savings-number { font-size: 2.6rem; font-weight: 800; color: var(--color-primary-dark); margin: 0.5rem 0; letter-spacing: -0.03em; }

/* Testimonials */
.quote-card { background: #FFFFFF; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-sm); }
.stars { color: #F59E0B; margin-bottom: 1rem; font-size: 1.1rem; }
.quote-text { font-style: italic; color: var(--color-text-body); margin-bottom: 1.5rem; }
.quote-author h5 { font-size: 1rem; margin-bottom: 0.1rem; }
.quote-author p { font-size: 0.825rem; color: var(--color-text-muted); margin-bottom: 0; }

/* FAQ Accordion */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { background: #FFFFFF; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.faq-item.active { border-color: var(--color-primary); }
.faq-btn { width: 100%; text-align: left; background: none; border: none; padding: 1.25rem 1.5rem; font-size: 1.05rem; font-weight: 700; color: var(--color-text-main); display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.faq-icon { transition: transform 0.2s; color: var(--color-text-muted); }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--color-primary); }
.faq-body { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 1.5rem; }
.faq-item.active .faq-body { max-height: 400px; padding: 0 1.5rem 1.5rem 1.5rem; }

/* Contact Directory Box */
.directory-card { background: #FFFFFF; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow-sm); }
.dir-item { display: flex; align-items: flex-start; gap: 1rem; padding: 1.2rem; background: var(--color-bg-alt); border: 1px solid var(--color-border-subtle); border-radius: var(--radius-md); margin-bottom: 1rem; }
.dir-icon { width: 44px; height: 44px; background: var(--color-primary-subtle); color: var(--color-primary); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.dir-info h5 { font-size: 1rem; margin-bottom: 0.2rem; }
.dir-info p, .dir-info a { font-size: 0.9rem; color: var(--color-text-muted); margin-bottom: 0; }

/* Team Cards */
.team-card { background: #FFFFFF; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 2rem; text-align: center; box-shadow: var(--shadow-sm); }
.team-photo { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; margin: 0 auto 1.25rem auto; border: 3px solid var(--color-primary-light); }
.team-role { font-size: 0.85rem; color: var(--color-primary-dark); font-weight: 700; margin-bottom: 0.75rem; }
.team-bio { font-size: 0.875rem; color: var(--color-text-muted); }

/* Footer */
.site-footer { background: #0F172A; color: #94A3B8; padding: 4.5rem 0 2rem 0; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand p { font-size: 0.9rem; color: #94A3B8; margin-top: 1rem; }
.footer-col h5 { font-size: 0.95rem; font-weight: 700; color: #FFFFFF; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1.25rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.footer-links a { color: #CBD5E1; font-size: 0.9rem; }
.footer-links a:hover { color: #FFFFFF; }
.footer-bottom { padding-top: 2rem; border-top: 1px solid #1E293B; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; font-size: 0.85rem; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: #94A3B8; }
.footer-legal a:hover { color: #FFFFFF; }

/* Cookie Banner */
.cookie-banner { position: fixed; bottom: 1.5rem; left: 1.5rem; right: 1.5rem; max-width: 580px; background: #FFFFFF; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--shadow-xl); z-index: 9999; display: none; }
.cookie-banner h4 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.cookie-banner p { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1rem; }
.cookie-btns { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .highlight-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .nav-menu { position: fixed; top: 78px; left: 0; right: 0; background: #FFFFFF; border-bottom: 1px solid var(--color-border); flex-direction: column; padding: 2rem; gap: 1.25rem; transform: translateY(-150%); transition: transform 0.25s ease; }
  .nav-menu.open { transform: translateY(0); }
  .hero-stats { grid-template-columns: 1fr; gap: 1rem; }
  .footer-grid { grid-template-columns: 1fr; }
}