/* ============================================================
   Fenghuo Counterweights - Main Stylesheet
   Forklift Counterweight Foreign Trade Website
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --color-navy: #0d2137;
  --color-navy-light: #122d4a;
  --color-navy-dark: #091520;
  --color-gold: #d4a843;
  --color-gold-light: #e6c56a;
  --color-gold-dark: #b8922e;
  --color-white: #ffffff;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f0f2f5;
  --color-gray-200: #e2e6ea;
  --color-gray-300: #c8cdd3;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  --color-red: #dc2626;
  --color-red-light: #fef2f2;
  --color-green: #16a34a;
  --color-blue: #2563eb;
  --color-blue-light: #eff6ff;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px -3px rgba(0,0,0,0.1), 0 4px 10px -4px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 50px -6px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
  --transition-slow: 0.35s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-gray-800);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--color-gray-50);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-gold-dark);
  background: rgba(212, 168, 67, 0.1);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--color-gray-500);
  max-width: 720px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  font-family: var(--font-sans);
  line-height: 1.2;
}

.btn-primary {
  background: var(--color-navy);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-navy-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-navy-dark);
  font-weight: 700;
}
.btn-gold:hover {
  background: var(--color-gold-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-detail {
  background: transparent;
  color: var(--color-navy);
  border: 2px solid var(--color-gray-200);
  width: 100%;
  margin-top: 16px;
  padding: 12px 20px;
  font-size: 14px;
}
.btn-detail:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
  background: rgba(212, 168, 67, 0.04);
}

.btn-full { width: 100%; }

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy);
}

.logo-icon {
  font-size: 1.6rem;
  color: var(--color-gold);
}

.logo-highlight {
  color: var(--color-gold);
}

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

.nav-link {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-600);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-navy);
  background: var(--color-gray-100);
}

/* Nav Toggle (Mobile) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 40%, var(--color-navy-light) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(212,168,67,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(37,99,235,0.06) 0%, transparent 40%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: 50%;
  transform: translateY(-50%);
  width: 500px;
  height: 500px;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 120px 0 80px;
}

.hero-title {
  font-size: 3.25rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 24px;
}

.text-gold { color: var(--color-gold); }

.hero-subtitle {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 620px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-gold);
  line-height: 1.1;
}

.hero-stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  font-weight: 500;
}

/* --- Products --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

.product-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
}

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

.product-image {
  position: relative;
  background: var(--color-gray-100);
  overflow: hidden;
}

.product-placeholder {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-gray-100), var(--color-gray-200));
}

.product-svg {
  width: 70%;
  height: auto;
}

.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-gold);
  color: var(--color-navy-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.badge-accent {
  background: var(--color-navy);
  color: var(--color-gold);
}

.product-body {
  padding: 24px;
}

.product-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.product-brief {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}

.product-specs-mini {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px;
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--color-gray-600);
}

.product-specs-mini strong {
  color: var(--color-gray-700);
  font-weight: 600;
}

/* --- Product Photo Gallery --- */
.gallery-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 20px;
  text-align: center;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.photo-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.photo-grid-4 {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

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

.photo-grid-1 {
  grid-template-columns: 1fr;
  max-width: 700px;
  margin: 0 auto;
}

.photo-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-slow);
}

.photo-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--color-gold);
}

.photo-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
}

.photo-item-featured img {
  aspect-ratio: 16 / 9;
}

.photo-caption {
  display: block;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-gray-600);
  text-align: center;
  background: var(--color-gray-50);
}

/* --- Gallery Tabs --- */
.gallery-tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin-bottom: 36px;
  flex-wrap: wrap;
  background: var(--color-gray-100);
  padding: 6px;
  border-radius: var(--radius-md);
  display: inline-flex;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.gallery-tab {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gray-600);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-sans);
  white-space: nowrap;
}

.gallery-tab:hover {
  color: var(--color-navy);
}

.gallery-tab.active {
  background: var(--color-white);
  color: var(--color-navy);
  box-shadow: var(--shadow-sm);
}

/* --- Gallery Panel --- */
.gallery-panel {
  display: none;
}

.gallery-panel.active {
  display: block;
}
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform var(--transition-slow);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-close {
  position: sticky;
  top: 16px;
  right: 16px;
  float: right;
  z-index: 10;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--color-gray-100);
  color: var(--color-gray-600);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--color-gray-200);
  color: var(--color-gray-900);
}

.modal-content {
  padding: 40px;
}

.modal-content h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.modal-content .modal-subtitle {
  color: var(--color-gray-500);
  margin-bottom: 28px;
  font-size: 15px;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}

.specs-table th,
.specs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
  font-size: 14px;
}

.specs-table th {
  width: 180px;
  background: var(--color-gray-50);
  font-weight: 600;
  color: var(--color-gray-700);
  white-space: nowrap;
}

.specs-table td {
  color: var(--color-gray-600);
}

.modal-cta {
  background: var(--color-gray-50);
  padding: 24px;
  border-radius: var(--radius-md);
  text-align: center;
}

.modal-cta p {
  margin-bottom: 16px;
  color: var(--color-gray-600);
}

/* --- About --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-lead {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: 16px;
  line-height: 1.5;
}

.about-text p {
  color: var(--color-gray-600);
  margin-bottom: 14px;
  line-height: 1.7;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 20px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gray-700);
}

.feature-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(22, 163, 74, 0.1);
  color: var(--color-green);
  border-radius: 50%;
  font-size: 14px;
  flex-shrink: 0;
}

.about-placeholder {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-svg {
  width: 100%;
  height: auto;
}

/* --- Capabilities --- */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.capability-card {
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.capability-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.capability-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-gray-100);
  line-height: 1;
  margin-bottom: 12px;
}

.capability-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 8px;
}

.capability-card p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.65;
}

/* --- CTA --- */
.cta-card {
  background: linear-gradient(135deg, var(--color-navy), var(--color-navy-light));
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(212,168,67,0.1) 0%, transparent 50%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
  position: relative;
}

.cta-card p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 32px;
  position: relative;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Contact --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info h3,
.contact-form-wrapper h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 20px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-method {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  align-items: flex-start;
}

.contact-method.primary {
  border-color: var(--color-gold);
  background: rgba(212, 168, 67, 0.04);
}

.contact-icon {
  font-size: 24px;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border-radius: var(--radius-sm);
}

.contact-method.primary .contact-icon {
  background: rgba(212, 168, 67, 0.15);
}

.contact-method strong {
  display: block;
  font-size: 14px;
  color: var(--color-gray-700);
  margin-bottom: 4px;
}

.contact-method a {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-navy);
  transition: color var(--transition);
}

.contact-method a:hover {
  color: var(--color-gold-dark);
}

.contact-method span:not(.contact-note) {
  font-size: 15px;
  color: var(--color-gray-700);
}

.contact-note {
  display: block;
  font-size: 12px;
  color: var(--color-gray-400);
  margin-top: 4px;
}

.contact-address {
  padding: 20px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
}

.contact-address h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-gray-700);
  margin-bottom: 8px;
}

.contact-address p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* Form */
.form-note {
  font-size: 14px;
  color: var(--color-gray-500);
  margin-bottom: 20px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

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

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background: var(--color-white);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-400);
}

/* --- Footer --- */
.footer {
  background: var(--color-navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-about .logo {
  margin-bottom: 16px;
  color: var(--color-white);
}

.footer-about p {
  font-size: 14px;
  line-height: 1.65;
}

.footer h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-gold);
}

.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  line-height: 1.55;
}

.footer-contact a {
  color: var(--color-gold-light);
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-image {
    order: -1;
  }

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

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-number {
    font-size: 1.8rem;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

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

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

  .cta-card {
    padding: 40px 24px;
  }

  .cta-card h2 {
    font-size: 1.5rem;
  }

  .photo-grid,
  .photo-grid-3,
  .photo-grid-4,
  .photo-grid-2 {
    grid-template-columns: 1fr;
  }

  .gallery-tabs {
    gap: 2px;
  }

  .gallery-tab {
    padding: 8px 16px;
    font-size: 13px;
  }

  /* Mobile Nav */
  .nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
  }

  .nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    width: 100%;
    padding: 12px 16px;
  }

  .nav-toggle {
    display: flex;
  }

  .modal-content {
    padding: 24px;
  }

  .specs-table th {
    width: 120px;
  }

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

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

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

  .hero-title {
    font-size: 1.8rem;
  }
}