/* ===================================================================
   Pana Consulting & Trading GK — Website Styles
   =================================================================== */

/* ===== RESET & VARIABLES ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --off-white: #fafaf8;
  --light-gray: #f2f1ef;
  --mid-gray: #b0aca6;
  --dark-gray: #3a3a3a;
  --gold: #c5a255;
  --gold-light: #d4b96a;
  --gold-pale: rgba(197, 162, 85, 0.08);
  --green: #3a7d5c;
  --green-light: #4a9b72;
  --green-pale: rgba(58, 125, 92, 0.06);
  --font-sans: 'Inter', 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --nav-height: 72px;
  --section-pad: 100px 0;
  --container: 1200px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; border: none; outline: none; }

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


/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
  transition: var(--transition);
}

.nav.scrolled .nav-logo { color: var(--black); }
.nav-logo span { color: var(--gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.02em;
  transition: var(--transition);
  position: relative;
}

.nav.scrolled .nav-links a { color: var(--dark-gray); }
.nav-links a:hover { color: var(--gold); }

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--gold);
  transition: var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.lang-switch {
  display: flex;
  gap: 4px;
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.nav.scrolled .lang-switch { border-left-color: var(--mid-gray); }

.lang-switch button {
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
}

.nav.scrolled .lang-switch button { color: var(--mid-gray); }
.lang-switch button.active { background: var(--gold); color: var(--white); }
.nav.scrolled .lang-switch button.active { background: var(--gold); color: var(--white); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 10;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

.nav.scrolled .nav-toggle span { background: var(--black); }


/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(165deg, #0a0a0a 0%, #1a1a2e 40%, #16213e 70%, #0f3460 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(197, 162, 85, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 30%, rgba(58, 125, 92, 0.06) 0%, transparent 50%);
}

.hero::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='%23c5a255' 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");
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 24px;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border: 1px solid rgba(197, 162, 85, 0.3);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto 48px;
  font-weight: 300;
}

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

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scroll-indicator .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(197, 162, 85, 0.6), transparent);
}


/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.02em;
}

.btn-primary { background: var(--gold); color: var(--white); }
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(197, 162, 85, 0.3); }

.btn-outline { border: 1px solid rgba(255, 255, 255, 0.25); color: var(--white); background: transparent; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }

.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--dark-gray); transform: translateY(-1px); }

.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: var(--green-light); transform: translateY(-1px); }


/* ===== SECTIONS ===== */
.section { padding: var(--section-pad); }
.section-dark { background: var(--black); color: var(--white); }
.section-light { background: var(--off-white); }
.section-green { background: var(--green-pale); }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--dark-gray);
  line-height: 1.8;
  font-weight: 300;
}

.section-dark .section-desc { color: rgba(255, 255, 255, 0.6); }


/* ===== INTRO ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.intro-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 24px;
  line-height: 1.3;
}

.intro-text p {
  color: var(--dark-gray);
  line-height: 1.8;
  margin-bottom: 16px;
  font-weight: 300;
}

.intro-image {
  position: relative;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--light-gray), #e8e6e1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-image .placeholder {
  font-size: 0.85rem;
  color: var(--mid-gray);
  text-align: center;
  padding: 40px;
}

.intro-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(197, 162, 85, 0.15);
  border-radius: var(--radius-lg);
}


/* ===== CORE PILLARS ===== */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.pillar {
  padding: 48px 36px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.pillar:hover {
  border-color: rgba(197, 162, 85, 0.2);
  transform: translateY(-4px);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
}

.pillar-icon.gold { background: rgba(197, 162, 85, 0.12); }
.pillar-icon.green { background: rgba(58, 125, 92, 0.12); }
.pillar-icon.white { background: rgba(255, 255, 255, 0.08); }

.pillar h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.pillar p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.95rem;
  line-height: 1.7;
  font-weight: 300;
}

.pillar .btn {
  margin-top: 24px;
  font-size: 0.8rem;
  padding: 10px 20px;
}


/* ===== PRODUCTS ===== */
.product-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.product-card-img {
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--mid-gray);
  position: relative;
}

.product-card-img.cafe { background: linear-gradient(135deg, #3e2723, #5d4037); }
.product-card-img.matcha { background: linear-gradient(135deg, #2e7d4b, #4caf50); }
.product-card-img.cooling { background: linear-gradient(135deg, #0277bd, #4fc3f7); }

.product-card-img .product-emoji {
  font-size: 4rem;
  position: relative;
  z-index: 1;
}

.product-card-img .product-name-overlay {
  position: absolute;
  bottom: 16px;
  left: 20px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.product-card-body { padding: 28px 24px; }

.product-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin-bottom: 12px;
  font-weight: 600;
}

.product-card-body p {
  color: var(--dark-gray);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
  font-weight: 300;
}

.product-card-body .btn {
  font-size: 0.8rem;
  padding: 10px 20px;
}


/* ===== ABOUT ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-text h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin-bottom: 20px;
  line-height: 1.3;
}

.about-text p {
  color: var(--dark-gray);
  line-height: 1.8;
  margin-bottom: 16px;
  font-weight: 300;
}

.mission-vision {
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.mv-card {
  padding: 24px;
  border-radius: var(--radius);
  border-left: 3px solid var(--gold);
  background: var(--gold-pale);
}

.mv-card h4 {
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold);
  margin-bottom: 8px;
}

.mv-card p {
  font-size: 0.95rem;
  color: var(--dark-gray);
  line-height: 1.7;
  font-weight: 300;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.value-item {
  text-align: center;
  padding: 24px 12px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--light-gray);
  transition: var(--transition);
}

.value-item:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.value-item .v-icon { font-size: 1.5rem; margin-bottom: 10px; }

.value-item h5 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dark-gray);
}


/* ===== CONSULTING ===== */
.consulting-intro {
  max-width: 700px;
  margin: 0 auto 56px;
  text-align: center;
}

.consulting-intro p {
  color: var(--dark-gray);
  font-size: 1.05rem;
  line-height: 1.8;
  font-weight: 300;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-item {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.service-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.service-item .s-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.service-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; }

.service-item p {
  color: var(--dark-gray);
  font-size: 0.9rem;
  line-height: 1.7;
  font-weight: 300;
}


/* ===== IMPACT HUB ===== */
.hub-hero {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 64px;
}

.hub-hero h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 20px;
  color: var(--white);
}

.hub-hero p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 1.05rem;
  line-height: 1.8;
  font-weight: 300;
}

.hub-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.hub-feature {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  transition: var(--transition);
}

.hub-feature:hover {
  border-color: rgba(58, 125, 92, 0.3);
  background: rgba(58, 125, 92, 0.06);
}

.hub-feature .hf-icon { font-size: 1.8rem; margin-bottom: 16px; }

.hub-feature h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--white);
}

.hub-feature p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  line-height: 1.6;
  font-weight: 300;
}

.hub-inclusive {
  max-width: 700px;
  margin: 0 auto 48px;
  text-align: center;
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(58, 125, 92, 0.2);
  background: rgba(58, 125, 92, 0.04);
}

.hub-inclusive p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  line-height: 1.8;
  font-weight: 300;
}

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


/* ===== WHY US ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-item { text-align: center; padding: 32px 20px; }

.why-item .w-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 8px;
}

.why-item h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }

.why-item p {
  color: var(--dark-gray);
  font-size: 0.85rem;
  line-height: 1.6;
  font-weight: 300;
}


/* ===== PARTNERS ===== */
.partner-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.partner-type {
  padding: 32px 24px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--light-gray);
  text-align: center;
  transition: var(--transition);
}

.partner-type:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-sm);
}

.partner-type .pt-icon { font-size: 2rem; margin-bottom: 16px; }
.partner-type h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }

.partner-type p {
  color: var(--dark-gray);
  font-size: 0.85rem;
  line-height: 1.6;
  font-weight: 300;
}


/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.contact-detail {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-detail .cd-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-detail h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gold);
  margin-bottom: 4px;
}

.contact-detail p {
  color: var(--dark-gray);
  font-size: 0.9rem;
  line-height: 1.6;
}

.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dark-gray);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  font-size: 0.9rem;
  transition: var(--transition);
  background: var(--off-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(197, 162, 85, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}


/* ===== CTA SECTION ===== */
.cta-section {
  background: linear-gradient(135deg, var(--black) 0%, #1a1a2e 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 1rem;
  margin-bottom: 32px;
  font-weight: 300;
}


/* ===== FOOTER ===== */
.footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.5);
  padding: 64px 0 32px;
}

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

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand h3 span { color: var(--gold); }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; }

.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}


/* ===== ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }


/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .pillars, .product-cards, .services-grid, .hub-features, .partner-types {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .intro-grid, .about-content, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  :root {
    --section-pad: 64px 0;
    --nav-height: 64px;
  }

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open { right: 0; }
  .nav-links a { color: var(--black) !important; font-size: 1rem; }

  .lang-switch {
    border-left: none;
    margin-left: 0;
    padding-left: 0;
    padding-top: 16px;
    border-top: 1px solid var(--light-gray);
  }

  .lang-switch button { color: var(--dark-gray) !important; }

  .pillars, .product-cards, .services-grid, .hub-features, .partner-types {
    grid-template-columns: 1fr;
  }

  .why-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hub-buttons { flex-direction: column; align-items: center; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
}