/* BRIS Srl - Corporate Website Styles
   Scandinavian design inspired by sea, mountains, and Nordic light
   ================================================================ */

/* CSS Custom Properties - Design System */
:root {
  /* Primary Colors */
  --color-navy: #1a2e4a;
  --color-navy-light: #2a4a6a;
  
  /* Secondary Colors - Icy Blues */
  --color-ice-100: #f5fafc;
  --color-ice-200: #e8f4f8;
  --color-ice-300: #d0e8f0;
  --color-ice-400: #a8d4e6;
  --color-ice-500: #7bbcd4;
  
  /* Neutrals */
  --color-white: #ffffff;
  --color-gray-100: #f8f9fa;
  --color-gray-200: #e9ecef;
  --color-gray-500: #6c757d;
  --color-gray-700: #495057;
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 80px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 46, 74, 0.05);
  --shadow-md: 0 4px 12px rgba(26, 46, 74, 0.08);
  --shadow-lg: 0 8px 24px rgba(26, 46, 74, 0.1);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-navy);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-navy-light);
}

ul {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-navy);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }

p {
  margin-bottom: var(--space-md);
}

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

.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

/* Wave Decorations - Soft blue separators */
.wave-top,
.wave-bottom {
  position: absolute;
  left: 0;
  width: 100%;
  height: 80px;
  overflow: hidden;
  pointer-events: none;
}

.wave-top {
  top: 0;
}

.wave-bottom {
  bottom: 0;
}

.wave-top svg,
.wave-bottom svg {
  position: absolute;
  width: 100%;
  height: 100%;
}

/* =====================
   HEADER
   ===================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-ice-200);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* BRIS Wordmark Logo */
.logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-navy);
  text-transform: uppercase;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  border-bottom-color: var(--color-ice-500);
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: var(--space-xs);
  padding-left: var(--space-lg);
  border-left: 1px solid var(--color-ice-300);
}

.lang-switcher a {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
  color: var(--color-gray-500);
  transition: all var(--transition-fast);
}

.lang-switcher a:hover {
  background: var(--color-ice-200);
  color: var(--color-navy);
}

.lang-switcher a.active {
  background: var(--color-navy);
  color: var(--color-white);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* =====================
   HERO SECTION
   ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.85);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(26, 46, 74, 0.7) 0%,
    rgba(26, 46, 74, 0.4) 50%,
    rgba(123, 188, 212, 0.2) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  max-width: 800px;
  padding: var(--space-xl);
}

.hero-logo {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-bottom: var(--space-xl);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero h1 {
  font-size: var(--font-size-4xl);
  color: var(--color-white);
  margin-bottom: var(--space-lg);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-base);
}

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

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

.btn-secondary {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn-secondary:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

/* =====================
   INTRODUCTION SECTION
   ===================== */
.intro {
  background: var(--color-white);
  text-align: center;
}

.intro-content {
  max-width: 800px;
  margin: 0 auto;
}

.intro h2 {
  margin-bottom: var(--space-lg);
}

.intro p {
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  line-height: 1.8;
}

/* Wave Separator */
.section-wave {
  position: relative;
  height: 100px;
  overflow: hidden;
  background: linear-gradient(to bottom, var(--color-white), var(--color-ice-100));
}

.section-wave svg {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100%;
}

/* =====================
   SERVICES SECTION
   ===================== */
.services {
  background: var(--color-ice-100);
}

.services h2 {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-white);
  padding: var(--space-2xl);
  border-radius: 8px;
  border: 1px solid var(--color-ice-300);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-ice-400);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
  color: var(--color-ice-500);
}

.service-card h3 {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-lg);
}

.service-card p {
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* =====================
   FOCUS SECTION
   ===================== */
.focus {
  background: var(--color-white);
  text-align: center;
}

.focus h2 {
  margin-bottom: var(--space-lg);
}

.focus-intro {
  font-size: var(--font-size-lg);
  color: var(--color-gray-700);
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.focus-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}

.focus-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--color-ice-100);
  border: 1px solid var(--color-ice-300);
  border-radius: 50px;
  font-weight: 500;
  color: var(--color-navy);
}

.focus-item::before {
  content: "•";
  color: var(--color-ice-500);
  font-size: 1.5em;
}

/* =====================
   CONTACT SECTION
   ===================== */
.contact {
  background: linear-gradient(135deg, var(--color-ice-100) 0%, var(--color-ice-200) 100%);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-info h2 {
  margin-bottom: var(--space-lg);
}

.contact-info p {
  color: var(--color-gray-700);
  margin-bottom: var(--space-xl);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-navy);
}

.contact-email:hover {
  color: var(--color-ice-500);
}

/* Contact Form */
.contact-form {
  background: var(--color-white);
  padding: var(--space-2xl);
  border-radius: 8px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-navy);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-ice-300);
  border-radius: 4px;
  background: var(--color-white);
  color: var(--color-navy);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-ice-500);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  width: 100%;
}

/* =====================
   FOOTER
   ===================== */
.footer {
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.footer-info {
  opacity: 0.9;
}

.footer-info p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xs);
}

/* Footer email link - guaranteed visibility */
footer a,
.footer a,
.footer-info a,
.footer-email {
  color: #ffffff !important;
  text-decoration: underline !important;
  opacity: 1 !important;
  visibility: visible !important;
  display: inline !important;
}

footer a:link,
footer a:visited,
.footer a:link,
.footer a:visited,
.footer-info a:link,
.footer-info a:visited,
.footer-email:link,
.footer-email:visited {
  color: #ffffff !important;
}

footer a:hover,
.footer a:hover,
.footer-info a:hover,
.footer-email:hover {
  color: #ffffff !important;
  opacity: 0.85 !important;
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: 0.15em;
  opacity: 0.6;
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: var(--font-size-xs);
  opacity: 0.6;
}

/* =====================
   COOKIE NOTICE
   ===================== */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-navy);
  color: var(--color-white);
  padding: var(--space-lg) var(--space-xl);
  z-index: 9999;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-notice.visible {
  transform: translateY(0);
}

.cookie-notice-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--space-xl);
}

.cookie-notice p {
  font-size: var(--font-size-sm);
  margin: 0;
  opacity: 0.9;
}

.cookie-notice .btn {
  white-space: nowrap;
  padding: var(--space-sm) var(--space-xl);
}

/* =====================
   RESPONSIVE DESIGN
   ===================== */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }
  
  .contact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --space-4xl: 4rem;
  }
  
  .header-inner {
    padding: 0 var(--space-md);
  }
  
  .nav-links {
    display: none;
  }
  
  .lang-switcher {
    border-left: none;
    padding-left: 0;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-base);
  }
  
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xl);
  }
  
  .cookie-notice-inner {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .focus-items {
    flex-direction: column;
  }
  
  .focus-item {
    width: 100%;
    justify-content: center;
  }
}