/* FILE: /assets/css/style.css */

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

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

body {
  font-family: var(--font-family-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

a:hover {
  color: var(--color-red);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 0.5em;
}

p {
  margin-bottom: 1em;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* ==========================================
   2. Root Variables
========================================== */
:root {
  --color-red: #e20e17;
  --color-black: #000000;
  --color-white: #ffffff;

  --font-family-base: "Roboto", Arial, sans-serif;

  --max-width: 1200px;
  --section-padding-y: 72px;
  --container-padding-x: 16px;

  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}

/* ==========================================
   3. Layout Helpers
========================================== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.section__header {
  text-align: center;
  margin-bottom: 48px;
}

.section__title {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.125rem;
  color: #555;
  font-weight: 300;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ==========================================
   4. Reusable Components
========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

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

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

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

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

.card {
  background-color: var(--color-white);
  padding: 24px;
  border: 1px solid #eee;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-card {
  display: flex;
  flex-direction: column;
  text-align: center;
}

.product-card__image {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: contain;
  margin-bottom: 16px;
  background-color: #fafafa;
  padding: 16px;
}

.product-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-card__text {
  font-size: 0.875rem;
  color: #555;
  line-height: 1.4;
}

/* ==========================================
   5. Header
========================================== */
.site-header {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid #eee;
  z-index: 1000;
}

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

.site-logo__img {
  height: 100px;
  width: auto;
}

.main-nav__list {
  display: flex;
  gap: 32px;
}

.main-nav__link {
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
}

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

.lang-switcher {
  display: flex;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
}

.lang-switcher__item {
  padding: 4px 8px;
  border-radius: 2px;
}

.lang-switcher__item--active {
  background-color: var(--color-red);
  color: var(--color-white);
}

.lang-switcher__item:not(.lang-switcher__item--active):hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
}

.burger__line {
  width: 100%;
  height: 2px;
  background-color: var(--color-black);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-top: 1px solid #eee;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.mobile-nav__list {
  padding: 16px 0;
}

.mobile-nav__item {
  border-bottom: 1px solid #f0f0f0;
}

.mobile-nav__link {
  display: block;
  padding: 12px var(--container-padding-x);
  font-weight: 500;
}

.mobile-nav__link:hover {
  background-color: #f8f8f8;
  color: var(--color-red);
}

/* Mobile menu active state */
.site-header.is-open .mobile-nav {
  display: block;
}

.site-header.is-open .burger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.site-header.is-open .burger__line:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .burger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ==========================================
   6. Footer
========================================== */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding-top: 48px;
  padding-bottom: 24px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 32px;
}

.footer-column__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-red);
}

.footer-column__text {
  font-size: 0.875rem;
  line-height: 1.6;
  opacity: 0.9;
}

.footer-meta {
  font-size: 0.875rem;
  opacity: 0.7;
  padding-top: 24px;
  border-top: 1px solid #333;
}

.footer-meta a {
  color: var(--color-red);
}

.footer-meta a:hover {
  text-decoration: underline;
}

/* ==========================================
   7. Page Specific Styles
========================================== */

/* --- Index --- */

.hero {
  background-image: linear-gradient(
      rgba(0, 0, 0, 0.6),
      rgba(0, 0, 0, 0.6)
    ),
    url('/assets/img/hero/hero-export.png');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;

  color: var(--color-white);
  text-align: center;
  padding: 120px 0;
}

.hero__title {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 24px;
}

.hero__text {
  font-size: 1.25rem;
  margin-bottom: 32px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.key-products {
  background-color: #fafafa;
}

.key-products__grid {
  padding-top: 0;
}

.partner-teaser {
  text-align: center;
}

.partner-teaser__text {
  margin-bottom: 32px;
}

/* --- Products --- */
.products-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
}

.product-section {
  margin-bottom: 64px;
}

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

.product-section__title {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 32px;
  text-align: center;
}

/* --- Partners --- */
.partners-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
}

.geography-scheme {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
  text-align: center;
  margin-bottom: 64px;
}

.geography-scheme__item {
  flex: 1;
  min-width: 200px;
  padding: 24px;
  background-color: #fafafa;
  border-left: 4px solid var(--color-red);
}

.geography-scheme__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.geography-scheme__text {
  font-size: 0.875rem;
  color: #555;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
}

.partner-card {
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f5f5f5;
  border: 1px dashed #ccc;
}

.partner-card__text {
  font-size: 0.875rem;
  color: #777;
  text-align: center;
  padding: 16px;
}

/* --- Contacts --- */
.contacts-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
}

.contact-group {
  margin-bottom: 48px;
}

.contact-group__title {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 24px;
  color: var(--color-red);
}

.contact-card {
  background-color: #fafafa;
  padding: 24px;
  margin-bottom: 16px;
}

.contact-card__name {
  font-weight: 700;
  margin-bottom: 8px;
}

.contact-card__info {
  font-size: 0.875rem;
  line-height: 1.6;
}

.contact-card__info a {
  color: var(--color-red);
}

.contact-card__info a:hover {
  text-decoration: underline;
}

.address-block {
  margin-bottom: 48px;
}

.address-block__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.address-block__content {
  background-color: #fafafa;
  padding: 24px;
  font-size: 0.875rem;
  line-height: 1.6;
}

.map-place {
  background-color: #f0f0f0;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #777;
  font-size: 0.875rem;
  border: 1px dashed #ccc;
}

/* --- 404 --- */
.error-page {
  text-align: center;
  padding: 120px 0;
}

.error-page__title {
  font-size: 6rem;
  font-weight: 300;
  color: var(--color-red);
  margin-bottom: 16px;
}

.error-page__subtitle {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 24px;
}

.error-page__text {
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================
   8. Reveal on Scroll
========================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-medium), transform var(--transition-medium);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   9. Media Queries
========================================== */

/* Tablet */
@media (max-width: 1199px) {
  .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .section__title {
    font-size: 2rem;
  }

  .hero {
    padding: 80px 0;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__text {
    font-size: 1.125rem;
  }

  .footer-columns {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .footer-column:last-child {
    grid-column: 1 / -1;
  }
}

/* Mobile */
@media (max-width: 767px) {
  .section {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .section__title {
    font-size: 1.75rem;
  }

  .main-nav {
    display: none;
  }

  .burger {
    display: flex;
  }

  .lang-switcher {
    font-size: 0.75rem;
  }

  .hero {
    padding: 60px 0;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .hero__text {
    font-size: 1rem;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .footer-columns {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .geography-scheme {
    flex-direction: column;
  }

  .geography-scheme__item {
    width: 100%;
  }

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

  .error-page__title {
    font-size: 4rem;
  }

  .error-page__subtitle {
    font-size: 1.5rem;
  }
}