/* ==========================================================================
   Menhir Recycling – Styles
   ========================================================================== */

:root {
  --color-primary: #1b5e3a;
  --color-primary-dark: #134529;
  --color-primary-light: #2a7a4f;
  --color-accent: #c8a951;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-bg: #ffffff;
  --color-bg-light: #f5f7f6;
  --color-bg-green: #e8f2ec;
  --color-footer: #1a1a1a;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --header-height: 72px;
  --transition: 0.3s ease;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --radius: 8px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
}

.skip-link:focus {
  top: 1rem;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

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

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo:hover {
  opacity: 0.85;
}

.logo-img {
  display: block;
  height: 64px;
  width: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.25rem;
}

.main-nav a {
  display: block;
  padding: 0.5rem 0.65rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.main-nav a:hover,
.main-nav a:focus {
  background: var(--color-bg-green);
  color: var(--color-primary);
}

.lang-toggle {
  display: flex;
  align-items: center;
  padding: 0.2rem;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.lang-toggle .lang-current,
.main-nav .lang-toggle a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: 0.3rem 0.1rem;
  border-radius: 999px;
  border-bottom: none;
  line-height: 1;
}

.lang-toggle .lang-current {
  background: var(--color-primary);
  color: #fff;
  cursor: default;
}

.main-nav .lang-toggle a {
  color: var(--color-text-light);
  background: transparent;
  opacity: 0.7;
}

.main-nav .lang-toggle a:hover,
.main-nav .lang-toggle a:focus {
  background: var(--color-bg-green);
  color: var(--color-primary);
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 85vh;
  margin-top: var(--header-height);
  background: url('../images/hero-bg.png') center / cover no-repeat;
  color: #fff;
  text-align: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(19, 69, 41, 0.35) 0%,
    rgba(19, 69, 41, 0.55) 40%,
    rgba(19, 69, 41, 0.72) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.95;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.section p {
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
  max-width: 800px;
}

.section p:last-child {
  margin-bottom: 0;
}

.section-light {
  background: var(--color-bg);
}

.section-green {
  background: var(--color-bg-green);
}

.section-green h2 {
  color: var(--color-primary);
}

.feature-list {
  list-style: none;
  margin: 1.5rem 0;
  max-width: 700px;
}

.feature-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--color-text-light);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* Split sections */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.split-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.split-content h2 {
  margin-bottom: 1.25rem;
}

.section-split-reverse .split-image {
  order: 2;
}

.section-split-reverse .split-content {
  order: 1;
}

/* Image background section */
.section-image-bg {
  position: relative;
  background: url('../images/clean-planet.jpg') center / cover no-repeat fixed;
  color: #fff;
  text-align: center;
}

.section-image-bg .section-overlay {
  position: absolute;
  inset: 0;
  background: rgba(19, 69, 41, 0.82);
}

.section-image-content {
  position: relative;
  z-index: 1;
}

.section-image-bg h2 {
  color: #fff;
  margin-left: auto;
  margin-right: auto;
}

.section-image-bg p {
  color: rgba(255, 255, 255, 0.9);
  margin-left: auto;
  margin-right: auto;
}

/* Contact */
.section-contact {
  background: var(--color-primary-dark);
  color: #fff;
  text-align: center;
}

.section-contact h2 {
  color: #fff;
  margin-left: auto;
  margin-right: auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}

.contact-item h3 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.contact-item p {
  color: rgba(255, 255, 255, 0.9);
  max-width: none;
  margin: 0;
}

.contact-item a {
  color: #fff;
  font-size: 1.1rem;
}

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

/* Footer */
.site-footer {
  background: var(--color-footer);
  color: rgba(255, 255, 255, 0.6);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.875rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2000;
  background: #fff;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.12);
  padding: 1.5rem;
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.cookie-text h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.cookie-text p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

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

.btn-primary:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary-light);
}

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

.btn-outline:hover {
  background: var(--color-bg-green);
}

.btn-link {
  background: none;
  border: none;
  color: var(--color-text-light);
  text-decoration: underline;
  padding: 0.65rem 0.5rem;
}

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

.cookie-settings {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid #eee;
}

.cookie-settings[hidden] {
  display: none;
}

.cookie-settings p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.cookie-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 992px) {
  .split-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .section-split-reverse .split-image,
  .section-split-reverse .split-content {
    order: unset;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

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

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: var(--shadow);
    padding: 1rem;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid #f0f0f0;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero {
    min-height: 70vh;
  }

  .section-image-bg {
    background-attachment: scroll;
  }
}

@media (max-width: 480px) {
  .cookie-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}