/* ============================================
   KOYAMA MATCHA - B2B Corporate Site Demo
   ============================================ */

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

:root {
  --color-primary: #1B3A2D;
  --color-primary-light: #4A7C59;
  --color-primary-pale: #E8F0EB;
  --color-accent: #C4A35A;
  --color-accent-light: #D4BA7A;
  --color-cream: #F7F3EB;
  --color-white: #FFFFFF;
  --color-text: #2C2C2C;
  --color-text-light: #6B6B6B;
  --color-border: #E0D9CB;
  --font-heading-en: 'Cormorant Garamond', serif;
  --font-heading-ja: 'Noto Serif JP', serif;
  --font-body-en: 'Inter', sans-serif;
  --font-body-ja: 'Noto Sans JP', sans-serif;
  --max-width: 1200px;
  --header-height: 80px;
  --transition: 0.3s ease;
}

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

body {
  font-family: var(--font-body-en), var(--font-body-ja), sans-serif;
  color: var(--color-text);
  background: var(--color-cream);
  line-height: 1.8;
  overflow-x: hidden;
}

/* --- Language Toggle --- */
body[data-lang="en"] .lang-ja { display: none; }
body[data-lang="ja"] .lang-en { display: none; }

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* --- Typography --- */
h1, h2, h3, h4 { line-height: 1.3; }

h1 {
  font-family: var(--font-heading-en), var(--font-heading-ja), serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 400;
  letter-spacing: 0.08em;
}

h2 {
  font-family: var(--font-heading-en), var(--font-heading-ja), serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

h3 {
  font-family: var(--font-heading-en), var(--font-heading-ja), serif;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 500;
  color: var(--color-primary);
}

p { font-size: 1rem; margin-bottom: 1em; }

.section-label {
  font-family: var(--font-heading-en), serif;
  font-size: 0.85rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
  display: block;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  margin: 20px auto;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 40px;
  font-family: var(--font-body-en), sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(196, 163, 90, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-white);
}
.btn--outline:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.btn--dark {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn--dark:hover {
  background: #244a38;
  transform: translateY(-2px);
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 40px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.4s ease;
}

.header--transparent { background: transparent; }

.header--scrolled {
  background: rgba(27, 58, 45, 0.97);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.header__logo {
  font-family: var(--font-heading-en), serif;
  font-size: 1.5rem;
  letter-spacing: 0.12em;
  color: var(--color-white);
  font-weight: 400;
}

.header__logo small {
  display: block;
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  opacity: 0.7;
  font-family: var(--font-body-en), sans-serif;
}

.header__nav { display: flex; align-items: center; gap: 36px; }

.header__nav a {
  color: var(--color-white);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

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

.lang-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 20px;
  padding-left: 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
}

.lang-toggle button {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  padding: 4px 8px;
  transition: all var(--transition);
  font-family: var(--font-body-en), sans-serif;
}

.lang-toggle button.active { color: var(--color-white); border-bottom: 1px solid var(--color-accent); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg--top {
  background: linear-gradient(135deg, #0d1f17 0%, #1B3A2D 30%, #2D5A3F 60%, #1a4030 100%);
}

.hero__bg--story {
  background: linear-gradient(160deg, #1B3A2D 0%, #2a5240 40%, #3d6b53 70%, #1B3A2D 100%);
}

.hero__bg--about {
  background: linear-gradient(145deg, #142e23 0%, #1B3A2D 35%, #2D5A3F 65%, #1B3A2D 100%);
}

/* Decorative matcha pattern overlay */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 600px 600px at 20% 50%, rgba(74, 124, 89, 0.3), transparent),
    radial-gradient(ellipse 400px 400px at 80% 30%, rgba(196, 163, 90, 0.1), transparent),
    radial-gradient(ellipse 300px 300px at 60% 80%, rgba(74, 124, 89, 0.15), transparent);
  z-index: 1;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  padding: 0 24px;
}

.hero__content h1 { margin-bottom: 16px; }

.hero__subtitle {
  font-family: var(--font-body-en), sans-serif;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-bottom: 40px;
}

.hero__tagline {
  font-family: var(--font-heading-en), serif;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 300;
  font-style: italic;
  opacity: 0.9;
  margin-bottom: 40px;
  line-height: 1.6;
}

.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Hero scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-white);
  opacity: 0.6;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-white);
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   SECTIONS (Common)
   ============================================ */
.section {
  padding: 100px 0;
}

.section--white { background: var(--color-white); }
.section--cream { background: var(--color-cream); }
.section--green { background: var(--color-primary); color: var(--color-white); }
.section--pale { background: var(--color-primary-pale); }

.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section__header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
  line-height: 1.9;
}

.section--green .section__header p { color: rgba(255, 255, 255, 0.8); }

/* ============================================
   INTRO STRIP
   ============================================ */
.intro-strip {
  background: var(--color-white);
  padding: 80px 0;
  text-align: center;
}

.intro-strip__text {
  max-width: 750px;
  margin: 0 auto;
  font-family: var(--font-heading-en), var(--font-heading-ja), serif;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  line-height: 2;
  color: var(--color-primary);
  font-weight: 400;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.product-card {
  background: var(--color-white);
  text-align: center;
  padding: 50px 24px 40px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(27, 58, 45, 0.1); }

.product-card__icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  position: relative;
}

.product-card__icon--ceremonial {
  background: linear-gradient(135deg, #2D5A3F, #1B3A2D);
  color: var(--color-accent);
}

.product-card__icon--premium {
  background: linear-gradient(135deg, #4A7C59, #2D5A3F);
  color: var(--color-cream);
}

.product-card__icon--culinary {
  background: linear-gradient(135deg, #6B9B7A, #4A7C59);
  color: var(--color-white);
}

.product-card__icon--organic {
  background: linear-gradient(135deg, #3d8b5e, #2a6b44);
  color: var(--color-accent);
}

.product-card__grade {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.product-card h3 { margin-bottom: 14px; }

.product-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
  background: var(--color-primary);
  padding: 60px 0;
}

.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
  color: var(--color-white);
}

.stat__number {
  font-family: var(--font-heading-en), serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  color: var(--color-accent);
  line-height: 1.2;
}

.stat__label {
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
  margin-top: 8px;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
}

.feature-card__icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--color-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
}

.feature-card h3 { margin-bottom: 14px; }
.feature-card p { font-size: 0.9rem; color: var(--color-text-light); }

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: var(--color-primary);
  padding: 100px 0;
  text-align: center;
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 500px 500px at 30% 50%, rgba(74, 124, 89, 0.2), transparent),
    radial-gradient(ellipse 400px 400px at 70% 50%, rgba(196, 163, 90, 0.1), transparent);
}

.cta-section .container { position: relative; z-index: 1; }

.cta-section h2 { color: var(--color-white); margin-bottom: 16px; }

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
}

/* ============================================
   STORY PAGE - Process Steps
   ============================================ */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  counter-reset: step;
}

.process-step {
  text-align: center;
  padding: 36px 20px;
  position: relative;
  counter-increment: step;
}

.process-step::before {
  content: '0' counter(step);
  font-family: var(--font-heading-en), serif;
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-primary-pale);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
}

.process-step__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-accent);
}

.process-step h3 { margin-bottom: 12px; font-size: 1.1rem; }
.process-step p { font-size: 0.88rem; color: var(--color-text-light); line-height: 1.7; }

/* ============================================
   STORY PAGE - Benefits
   ============================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.benefit-card {
  display: flex;
  gap: 24px;
  background: var(--color-white);
  padding: 36px;
  align-items: flex-start;
}

.benefit-card__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-primary);
}

.benefit-card h3 { margin-bottom: 8px; font-size: 1.05rem; }
.benefit-card p { font-size: 0.9rem; color: var(--color-text-light); margin: 0; }

/* ============================================
   STORY PAGE - Farm Section
   ============================================ */
.farm-section {
  position: relative;
  overflow: hidden;
}

.farm-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.farm-visual {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #2D5A3F, #4A7C59, #6B9B7A);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
}

.farm-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 8px, rgba(255,255,255,0.05) 8px, rgba(255,255,255,0.05) 9px),
    radial-gradient(ellipse at 50% 100%, rgba(27, 58, 45, 0.5), transparent 70%);
}

.farm-visual__label {
  position: absolute;
  bottom: 30px;
  left: 30px;
  color: var(--color-white);
  font-family: var(--font-heading-en), serif;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
}

.farm-content h2 { margin-bottom: 20px; }
.farm-content p { color: var(--color-text-light); }

/* ============================================
   ABOUT PAGE - Company Info
   ============================================ */
.company-info {
  max-width: 800px;
  margin: 0 auto;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table tr { border-bottom: 1px solid var(--color-border); }

.info-table th {
  text-align: left;
  padding: 20px 24px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-primary);
  width: 200px;
  vertical-align: top;
  letter-spacing: 0.05em;
}

.info-table td {
  padding: 20px 24px;
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.8;
}

/* ============================================
   ABOUT PAGE - Export Map
   ============================================ */
.export-regions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.export-region {
  background: var(--color-white);
  padding: 36px;
  text-align: center;
}

.export-region__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.export-region h3 { margin-bottom: 12px; }

.export-region__list {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 2;
}

/* ============================================
   ABOUT PAGE - Certifications
   ============================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.cert-badge {
  background: var(--color-white);
  padding: 30px 16px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.cert-badge:hover { border-color: var(--color-accent); transform: translateY(-3px); }

.cert-badge__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: var(--color-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-primary);
}

.cert-badge__name {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.cert-badge__desc {
  font-size: 0.72rem;
  color: var(--color-text-light);
}

/* ============================================
   ABOUT PAGE - Contact Form
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info h3 { margin-bottom: 20px; }

.contact-info p {
  color: var(--color-text-light);
  margin-bottom: 30px;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.contact-detail__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-group label {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  font-family: var(--font-body-en), var(--font-body-ja), sans-serif;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--color-primary); }

.form-group textarea { resize: vertical; min-height: 140px; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0f2219;
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 40px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer__brand {
  font-family: var(--font-heading-en), serif;
  font-size: 1.4rem;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__brand small {
  display: block;
  font-size: 0.5rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  opacity: 0.5;
  font-family: var(--font-body-en), sans-serif;
}

.footer__desc {
  font-size: 0.88rem;
  line-height: 1.8;
  margin-top: 16px;
}

.footer h4 {
  color: var(--color-white);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
  font-family: var(--font-body-en), sans-serif;
  font-weight: 600;
}

.footer ul li { margin-bottom: 10px; }

.footer ul a {
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer ul a:hover { color: var(--color-accent); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.45s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.6s; }

/* ============================================
   PAGE HERO (Story / About)
   ============================================ */
.page-hero {
  height: 60vh;
  min-height: 400px;
}

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablet */
@media (max-width: 1023px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .export-regions { grid-template-columns: repeat(2, 1fr); }
  .farm-section__grid { grid-template-columns: 1fr; }
  .farm-visual { height: 300px; }
}

/* Mobile */
@media (max-width: 767px) {
  :root { --header-height: 64px; }

  .header { padding: 0 20px; }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-primary);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 40px;
    transition: right 0.4s ease;
    box-shadow: -4px 0 30px rgba(0, 0, 0, 0.2);
  }

  .header__nav.open { right: 0; }

  .hamburger { display: flex; }

  .lang-toggle {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
  }

  .hero { min-height: 500px; }
  h1 { font-size: 2rem; }
  .section { padding: 70px 0; }

  .products-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .stats-bar__grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .features-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .benefits-grid { grid-template-columns: 1fr; }
  .benefit-card { flex-direction: column; text-align: center; }

  .export-regions { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }

  .info-table th { display: block; width: 100%; padding-bottom: 4px; }
  .info-table td { display: block; padding-top: 0; }
  .info-table tr { padding: 12px 0; display: block; }

  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }

  .hero__cta { flex-direction: column; align-items: center; }
  .hero__cta .btn { width: 240px; text-align: center; }
}