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

/* ── Design Tokens ── */
:root {
  --navy-900: #0a1628;
  --navy-800: #0f2137;
  --navy-700: #142d4a;
  --navy-600: #1a3a5c;
  --ocean-500: #1976D2;
  --ocean-400: #2196F3;
  --ocean-300: #42A5F5;
  --sky-200: #90CAF9;
  --sky-100: #BBDEFB;
  --seafoam-500: #00897B;
  --seafoam-400: #26A69A;
  --seafoam-300: #4DB6AC;
  --sand-300: #F5E6D3;
  --sand-200: #FAF0E6;
  --sand-100: #FFFDF9;
  --white: #ffffff;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.08);
  --shadow-md: 0 4px 20px rgba(10, 22, 40, 0.12);
  --shadow-lg: 0 8px 40px rgba(10, 22, 40, 0.16);
  --shadow-xl: 0 16px 60px rgba(10, 22, 40, 0.2);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--gray-800);
  background: var(--sand-100);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

ul {
  list-style: none;
}

h1,
h2,
h3,
h4 {
  font-family: 'Playfair Display', serif;
  line-height: 1.2;
}

/* ── Page Transitions ── */
.page {
  display: none;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
  padding: 0.6rem 2rem;
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo-img {
  height: 40px;
  width: auto;
}

.footer-logo-img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.nav-link {
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.cta-link {
  background: linear-gradient(135deg, var(--ocean-400), var(--seafoam-400));
  color: white;
  font-weight: 600;
}

.nav-link.cta-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

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

/* ── Hero Section ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: url('images/hero.png') center/cover no-repeat;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.85) 0%, rgba(15, 33, 55, 0.7) 40%, rgba(25, 118, 210, 0.4) 100%);
}

.hero-split {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 3rem;
  padding: 6rem 3rem 3rem;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}

.hero-logo-side {
  flex-shrink: 0;
  max-width: 500px;
  width: 40%;
}

.hero-logo-img {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,0.3));
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  padding: 0;
  max-width: 600px;
  flex: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sky-200);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  animation: fadeInDown 0.8s ease forwards;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.2rem;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-title span {
  background: linear-gradient(135deg, var(--ocean-300), var(--seafoam-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.75);
  font-weight: 300;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-inline: auto;
  animation: fadeInUp 0.8s 0.4s ease both;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--ocean-400), var(--ocean-500));
  color: white;
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(33, 150, 243, 0.5);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: white;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
}

.btn-outline:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
}

.btn-dark {
  background: var(--navy-800);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-dark:hover {
  background: var(--navy-700);
  transform: translateY(-2px);
}

/* ── Section Styles ── */
.section {
  padding: 5rem 2rem;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--ocean-400);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--navy-800);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--gray-600);
  line-height: 1.7;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Features Grid (Home) ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--ocean-400), var(--seafoam-400));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(0, 137, 123, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.feature-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--navy-800);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* ── About Banner (Home) ── */
.about-banner {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-600));
  border-radius: var(--radius-xl);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  color: white;
  overflow: hidden;
  position: relative;
}

.about-banner::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(33, 150, 243, 0.15), transparent 70%);
}

.about-banner h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.about-banner p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.5rem;
}

.about-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--ocean-300), var(--seafoam-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.about-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ── Services Page ── */
.services-hero {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 50%, var(--ocean-500) 100%);
  padding: 8rem 2rem 1rem;
  text-align: center;
  color: white;
  position: relative;
}

.services-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.services-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 550px;
  margin: 0 auto;
}

.service-category {
  margin-bottom: 3rem;
}

.service-category:first-child {
  margin-top: 0;
  padding-top: 0;
}

.service-category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--gray-200);
}

.service-category-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--ocean-400), var(--seafoam-400));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.service-category-header h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy-800);
}

.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

.service-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--white);
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.service-item:hover {
  border-color: var(--ocean-300);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.service-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--ocean-400), var(--seafoam-400));
}

.service-item span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy-800);
}

/* ── Store Page ── */
.store-hero {
  background: linear-gradient(135deg, var(--navy-900), var(--ocean-500));
  padding: 8rem 2rem 1rem;
  text-align: center;
  color: white;
}

.store-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.store-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 550px;
  margin: 0 auto;
}

.store-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
}

.store-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}

.store-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.store-card-img {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--sky-100), var(--sand-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.store-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--seafoam-400);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  letter-spacing: 0.05em;
}

.store-card-body {
  padding: 1.5rem;
}

.store-card-body h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
  color: var(--navy-800);
}

.store-card-body .store-desc {
  font-size: 0.85rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.store-price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ocean-500);
}

.store-card-footer {
  padding: 0 1.5rem 1.5rem;
}

.btn-cart {
  width: 100%;
  padding: 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--navy-800);
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
  text-align: center;
}

.btn-cart:hover {
  background: var(--ocean-500);
}

.coming-soon-note {
  text-align: center;
  padding: 2rem;
  background: rgba(33, 150, 243, 0.05);
  border-radius: var(--radius-md);
  border: 1px dashed var(--ocean-300);
  margin-top: 2rem;
}

.coming-soon-note p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* ── Contact Page ── */
.contact-hero {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-600));
  padding: 8rem 2rem 1rem;
  text-align: center;
  color: white;
}

.contact-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.contact-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 550px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.contact-card {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--ocean-300);
}

.contact-card-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(0, 137, 123, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.contact-card h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--navy-800);
}

.contact-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.contact-form h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--navy-800);
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--gray-200);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: var(--transition);
  background: var(--sand-100);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--ocean-400);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

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

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

.btn-submit {
  width: 100%;
  padding: 0.85rem;
  background: linear-gradient(135deg, var(--ocean-400), var(--ocean-500));
  color: white;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-submit:hover {
  box-shadow: 0 4px 20px rgba(33, 150, 243, 0.4);
  transform: translateY(-1px);
}

/* ── Map placeholder ── */
.map-container {
  margin-top: 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 300px;
  background: var(--navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1rem;
  border: 1px solid var(--gray-200);
  position: relative;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ── Footer ── */
.site-footer {
  background: var(--navy-900);
  color: white;
  padding: 4rem 2rem 2rem;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.7;
}

.footer-col h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--sky-200);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  padding: 0.3rem 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Featured Lithium Block ── */
.lithium-feature {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-900));
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: white;
  margin-bottom: 4rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.1);
  position: relative;
  overflow: hidden;
}

.lithium-feature::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: radial-gradient(circle at top right, rgba(33, 150, 243, 0.15), transparent 60%);
  pointer-events: none;
}

.lithium-feature-content {
  position: relative;
  z-index: 1;
}

.lithium-feature h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: var(--seafoam-300);
}

.lithium-feature p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  margin-bottom: 2rem;
  max-width: 800px;
}

@media (max-width: 768px) {
  .lithium-feature {
    padding: 2rem;
  }
  .lithium-feature h2 {
    font-size: 1.8rem;
  }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-split {
    flex-direction: column;
    text-align: center;
    padding: 6rem 1.5rem 2rem;
    gap: 2rem;
  }

  .hero-logo-side {
    width: 60%;
    max-width: 300px;
  }

  .hero-content {
    text-align: center;
    padding: 0;
  }

  .about-banner {
    grid-template-columns: 1fr;
  }

  .about-img {
    display: none;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 22, 40, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-link {
    font-size: 1.2rem;
    padding: 0.8rem 2rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .section {
    padding: 3rem 1.2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .store-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .about-stats {
    flex-direction: column;
    gap: 1rem;
  }
}