/* ============================================
   BIHAR CATTLE FEED - MAIN STYLESHEET
   Theme: Earthy Premium | Mobile-First
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Mukta:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,900;1,700&family=Sora:wght@400;500;600;700&display=swap');

/* ---- CSS VARIABLES ---- */
:root {
  --green-dark:   #0D3B1A;
  --green-main:   #1A5C2A;
  --green-mid:    #2E7D42;
  --green-light:  #4CAF50;
  --green-pale:   #E8F5E9;
  --gold:         #F9A825;
  --gold-dark:    #E65100;
  --gold-light:   #FFF9C4;
  --cream:        #FAFDF5;
  --brown:        #5D4037;
  --brown-light:  #EFEBE9;
  --white:        #FFFFFF;
  --text-dark:    #1A2E1A;
  --text-mid:     #3E4A3E;
  --text-light:   #6D8B6D;
  --border:       #C8E6C9;
  --shadow-sm:    0 2px 8px rgba(13,59,26,0.12);
  --shadow-md:    0 6px 24px rgba(13,59,26,0.16);
  --shadow-lg:    0 16px 48px rgba(13,59,26,0.22);
  --radius-sm:    8px;
  --radius-md:    16px;
  --radius-lg:    24px;
  --radius-xl:    40px;
  --font-hindi:   'Mukta', sans-serif;
  --font-heading: 'Playfair Display', serif;
  --font-body:    'Sora', sans-serif;
  --whatsapp:     #25D366;
  --whatsapp-dark:#128C7E;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ---- TYPOGRAPHY ---- */
.font-heading { font-family: var(--font-heading); }
.font-hindi   { font-family: var(--font-hindi); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--text-dark);
}

h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.8rem); }

.hindi-label {
  font-family: var(--font-hindi);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* ---- LAYOUT ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.section    { padding: 60px 0; }
.section-sm { padding: 40px 0; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--green-main);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(26,92,42,0.35);
}
.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,92,42,0.45);
}

.btn-gold {
  background: var(--gold);
  color: var(--text-dark);
  box-shadow: 0 4px 16px rgba(249,168,37,0.4);
}
.btn-gold:hover {
  background: #e6971f;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(249,168,37,0.5);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
}
.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--green-main);
}

.btn-outline-green {
  background: transparent;
  color: var(--green-main);
  border: 2px solid var(--green-main);
}
.btn-outline-green:hover {
  background: var(--green-main);
  color: var(--white);
}

.btn-lg { padding: 18px 36px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-full { width: 100%; }

/* ---- BADGES ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green  { background: var(--green-pale); color: var(--green-main); }
.badge-gold   { background: var(--gold-light); color: var(--gold-dark); }
.badge-brown  { background: var(--brown-light); color: var(--brown); }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,59,26,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0;
  transition: all 0.3s ease;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.navbar-logo .logo-icon {
  width: 42px; height: 42px;
  background: var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}

.navbar-logo .logo-text {
  line-height: 1.1;
}

.navbar-logo .logo-text .brand {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  display: block;
}

.navbar-logo .logo-text .tagline {
  font-size: 0.65rem;
  color: var(--gold);
  font-family: var(--font-hindi);
  display: block;
  letter-spacing: 0.08em;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.navbar-nav a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.navbar-nav a:hover,
.navbar-nav a.active {
  color: var(--gold);
  background: rgba(249,168,37,0.12);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar-call {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 14px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  transition: all 0.2s ease;
}
.navbar-call:hover { background: rgba(255,255,255,0.2); }

.navbar-wa {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--whatsapp);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-xl);
  transition: all 0.2s ease;
}
.navbar-wa:hover { background: var(--whatsapp-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 0 16px 16px;
  background: var(--green-dark);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: block;
}
.mobile-menu a:last-child { border-bottom: none; }

/* ---- PAGE HEADER (inner pages) ---- */
.page-header {
  background: linear-gradient(135deg, var(--green-dark) 0%, var(--green-main) 100%);
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  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='0.04'%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");
}

.page-header h1 { color: var(--white); position: relative; }
.page-header p  { color: rgba(255,255,255,0.75); margin-top: 12px; font-size: 1.1rem; position: relative; }

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  position: relative;
}
.breadcrumb a   { color: rgba(255,255,255,0.6); font-size: 0.85rem; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb span { color: rgba(255,255,255,0.35); font-size: 0.85rem; }
.breadcrumb .current { color: var(--gold); font-size: 0.85rem; font-weight: 600; }

/* ---- SECTION HEADERS ---- */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header .eyebrow {
  font-family: var(--font-hindi);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-main);
  display: block;
  margin-bottom: 10px;
}
.section-header h2 { margin-bottom: 14px; }
.section-header p  {
  color: var(--text-mid);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---- CARDS ---- */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }

/* ---- TRUST BADGES ---- */
.trust-bar {
  background: var(--green-dark);
  padding: 16px 0;
  overflow: hidden;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  animation: trustScroll 20s linear infinite;
  width: max-content;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.trust-item .icon { font-size: 1.4rem; }
.trust-item .text {
  font-family: var(--font-hindi);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  font-weight: 600;
}

@keyframes trustScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---- PRODUCT CARD ---- */
.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }

.product-card .product-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
}

.product-card .product-badge {
  position: absolute;
  top: 12px; left: 12px;
}

.product-card .product-body { padding: 18px; }
.product-card .product-animal {
  font-size: 0.75rem;
  color: var(--text-light);
  font-family: var(--font-hindi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.product-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-dark);
}
.product-card .product-protein {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}
.product-card .protein-bar {
  flex: 1;
  height: 6px;
  background: var(--green-pale);
  border-radius: 3px;
  overflow: hidden;
}
.product-card .protein-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-main), var(--green-light));
  border-radius: 3px;
}
.product-card .protein-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--green-main);
}

.product-card .product-benefits {
  margin-bottom: 14px;
}
.product-card .product-benefits li {
  font-size: 0.8rem;
  color: var(--text-mid);
  padding: 3px 0;
  padding-left: 18px;
  position: relative;
}
.product-card .product-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green-light);
  font-weight: 700;
}

.product-card .product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.product-price .price-main {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green-main);
  font-family: var(--font-hindi);
}
.product-price .price-unit {
  font-size: 0.75rem;
  color: var(--text-light);
}

.product-actions { display: flex; gap: 8px; }

/* ---- TESTIMONIAL CARD ---- */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
}
.testimonial-card .quote-icon {
  font-size: 3rem;
  color: var(--green-pale);
  line-height: 1;
  font-family: serif;
  margin-bottom: 8px;
}
.testimonial-card .stats-row {
  display: flex;
  gap: 16px;
  margin: 16px 0;
}
.testimonial-card .stat {
  text-align: center;
  background: var(--green-pale);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  flex: 1;
}
.testimonial-card .stat .val {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green-main);
  display: block;
}
.testimonial-card .stat .lbl {
  font-size: 0.7rem;
  color: var(--text-light);
  font-family: var(--font-hindi);
}
.testimonial-card .farmer-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.testimonial-card .farmer-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.testimonial-card .farmer-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dark);
  display: block;
}
.testimonial-card .farmer-village {
  font-size: 0.8rem;
  color: var(--text-light);
  font-family: var(--font-hindi);
}
.testimonial-card .stars {
  color: var(--gold);
  font-size: 0.9rem;
  letter-spacing: 2px;
}

/* ---- FORM ELEMENTS ---- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.form-label .hindi {
  font-family: var(--font-hindi);
  color: var(--text-light);
  font-size: 0.8rem;
  margin-left: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--text-dark);
  background: var(--white);
  transition: all 0.2s ease;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--green-main);
  box-shadow: 0 0 0 4px rgba(26,92,42,0.1);
}

.form-input::placeholder { color: #A5C4A5; }
.form-textarea { resize: vertical; min-height: 100px; }

.form-hint {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 5px;
}

/* ---- FLOATING WHATSAPP ---- */
.floating-wa {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.floating-wa-btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--whatsapp);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

.floating-wa-btn:hover {
  background: var(--whatsapp-dark);
  transform: scale(1.1);
  animation: none;
}

.floating-wa-btn svg { width: 32px; height: 32px; fill: white; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 6px 40px rgba(37,211,102,0.8); }
}

.wa-popup {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  display: none;
}
.wa-popup.show { display: block; }
.wa-popup-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.wa-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.875rem;
  color: var(--text-dark);
}
.wa-option:hover { background: var(--green-pale); }
.wa-option .icon { font-size: 1rem; }

/* ---- FOOTER ---- */
.footer {
  background: var(--green-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  width: 48px; height: 48px;
  background: var(--gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.footer-brand .brand-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--white);
  font-weight: 700;
}

.footer-brand .brand-tag {
  font-family: var(--font-hindi);
  font-size: 0.75rem;
  color: var(--gold);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
  margin-bottom: 20px;
  font-family: var(--font-hindi);
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.875rem;
}
.footer-contact-item .ico { font-size: 1.1rem; }
.footer-contact-item a { color: rgba(255,255,255,0.75); transition: color 0.2s; }
.footer-contact-item a:hover { color: var(--gold); }

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--green-mid);
}

.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-links a::before {
  content: '→';
  font-size: 0.75rem;
  color: var(--gold);
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a {
  color: rgba(255,255,255,0.4);
  font-size: 0.8rem;
  transition: color 0.2s;
}
.footer-bottom a:hover { color: var(--gold); }

/* ---- ANIMATIONS ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes countUp {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}

.animate-in { opacity: 0; }
.animate-in.visible {
  animation: fadeInUp 0.6s ease forwards;
}

/* ---- GRID UTILITIES ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---- MISC ---- */
.text-center  { text-align: center; }
.text-green   { color: var(--green-main); }
.text-gold    { color: var(--gold); }
.text-white   { color: var(--white); }
.text-light   { color: var(--text-light); }
.bg-green     { background: var(--green-main); }
.bg-green-pale{ background: var(--green-pale); }
.bg-gold-pale { background: var(--gold-light); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.divider {
  height: 4px;
  width: 60px;
  background: linear-gradient(90deg, var(--green-main), var(--gold));
  border-radius: 2px;
  margin: 16px auto;
}

.pill-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 32px;
}
.pill-tab {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid var(--border);
  background: var(--white);
  color: var(--text-mid);
  font-family: var(--font-hindi);
}
.pill-tab:hover, .pill-tab.active {
  background: var(--green-main);
  border-color: var(--green-main);
  color: var(--white);
}

/* ---- ALERT BOXES ---- */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.alert-success {
  background: #E8F5E9;
  border: 1px solid #A5D6A7;
  color: var(--green-dark);
}
.alert-warning {
  background: var(--gold-light);
  border: 1px solid var(--gold);
  color: var(--gold-dark);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .grid-4      { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section    { padding: 48px 0; }
  .grid-2     { grid-template-columns: 1fr; }
  .grid-3     { grid-template-columns: 1fr; }
  .grid-4     { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }

  .navbar-nav, .navbar-call { display: none; }
  .hamburger { display: flex; }

  .page-header { padding: 100px 0 50px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .btn-lg { padding: 16px 24px; font-size: 1rem; }
  .container { padding: 0 12px; }
}