/* Epeka Oy - Kultasepänliikekalusteet
   Väripaletti: Vihreän-sinisen sekoitus (teal)
   Tyyli: Moderni, skandinaavinen, ammattimainen
*/

:root {
  /* Päävärit */
  --primary: #1a5f5a;      /* Tumma teal */
  --primary-light: #2d8f88; /* Vaalea teal */
  --primary-dark: #0d3d3a;  /* Erittäin tumma teal */
  
  /* Aksenttivärit */
  --accent: #c9a962;        /* Kulta - sopii kultasepänliikkeisiin */
  --accent-light: #e5d4a1;
  
  /* Neutraalit */
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --black: #1a1a1a;
  
  /* Typografia */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  
  /* Transitions */
  --transition: 0.3s ease;
}

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--white);
}

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1rem;
  max-width: 65ch;
}

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

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.section--alt {
  background-color: var(--off-white);
}

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

.section--dark h2,
.section--dark h3 {
  color: var(--white);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--light-gray);
  transition: all var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
}

.logo span {
  color: var(--accent);
}

/* Navigation */
.nav__list {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--primary);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--dark-gray);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="0.5"/></svg>');
  background-size: 200px;
  opacity: 0.5;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: var(--space-md);
}

.hero__logo {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.hero__logo span {
  color: var(--accent);
}

.hero__tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  color: var(--accent-light);
}

.hero__description {
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  opacity: 0.9;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition);
}

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

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

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

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

/* Features / Services */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.feature {
  text-align: center;
  padding: var(--space-md);
}

.feature__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.5rem;
}

.feature__title {
  margin-bottom: var(--space-xs);
}

.feature__text {
  color: var(--gray);
  font-size: 0.95rem;
}

/* Text with image */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

.split__content {
  padding: var(--space-md) 0;
}

.split__image {
  position: relative;
  overflow: hidden;
}

.split__image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Product Grid */
.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-md);
}

.product {
  background: var(--white);
  border: 1px solid var(--light-gray);
  padding: var(--space-md);
  text-align: center;
  transition: all var(--transition);
}

.product:hover {
  border-color: var(--primary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.product__title {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
}

/* References */
.references {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  align-items: center;
}

.reference {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--gray);
  opacity: 0.7;
  transition: opacity var(--transition);
}

.reference:hover {
  opacity: 1;
  color: var(--primary);
}

/* Gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-sm);
}

.gallery__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.gallery__item:hover img {
  transform: scale(1.05);
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.contact-info {
  padding: var(--space-md);
}

.contact-info__item {
  margin-bottom: var(--space-md);
}

.contact-info__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
  margin-bottom: var(--space-xs);
}

.contact-info__value {
  font-size: 1.1rem;
  color: var(--black);
}

.contact-info__value a {
  color: var(--primary);
}

/* Contact Form */
.contact-form {
  background: var(--off-white);
  padding: var(--space-lg);
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--light-gray);
  background: var(--white);
  transition: border-color var(--transition);
}

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

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

/* Footer */
.footer {
  background: var(--black);
  color: var(--white);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.footer__logo span {
  color: var(--accent);
}

.footer__text {
  color: var(--gray);
  font-size: 0.95rem;
  max-width: 400px;
}

.footer__title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  color: var(--white);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-xs);
}

.footer__links a {
  color: var(--gray);
  font-size: 0.95rem;
}

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

.footer__bottom {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray);
  font-size: 0.85rem;
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-radius: 50%;
  transition: all var(--transition);
}

.footer__social a:hover {
  background: var(--accent);
  color: var(--black);
}

/* Utilities */
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Responsive */
@media (max-width: 992px) {
  .split {
    grid-template-columns: 1fr;
  }
  
  .split--reverse {
    direction: ltr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav__list {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--space-md);
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    border-bottom: 1px solid var(--light-gray);
  }
  
  .nav__list.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav__link {
    display: block;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--light-gray);
  }
  
  .nav__toggle {
    display: block;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__social {
    justify-content: center;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Scroll animations - add via JS */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}