/* ===== CSS Variables & Reset ===== */
:root {
  --primary: #0a0e27;
  --primary-light: #1a1f4e;
  --accent: #e63946;
  --accent-hover: #c1121f;
  --accent2: #f1faee;
  --text: #1d3557;
  --text-light: #6c757d;
  --bg: #ffffff;
  --gray: #f8f9fa;
  --card-bg: #ffffff;
  --border: #eee;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
  --glass-bg: rgba(255,255,255,0.15);
  --glass-border: rgba(255,255,255,0.2);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

body.dark {
  --bg: #121212;
  --text: #e0e0e0;
  --text-light: #adb5bd;
  --gray: #1e1e1e;
  --card-bg: #1e1e1e;
  --border: #333;
  --shadow: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.4);
  --glass-bg: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
  transition: background var(--transition), color var(--transition);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  opacity: 0.85;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Scroll Animations ===== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-left"] {
  transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="fade-right"] {
  transform: translateX(30px);
}

[data-aos="fade-right"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

/* ===== Header & Navigation ===== */
header {
  background: var(--primary);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: box-shadow var(--transition), background var(--transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  transition: transform var(--transition);
}

.logo:hover {
  transform: scale(1.02);
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

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

.nav a:hover,
.nav a.active {
  color: #fff;
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
  padding: 4px;
  transition: transform var(--transition);
}

.menu-toggle:hover {
  transform: rotate(90deg);
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 16px 24px;
    gap: 12px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

  .nav.open {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .nav a {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 10px 0;
  }

  .nav a::after {
    display: none;
  }
}

/* ===== Hero Section ===== */
.hero {
  background: linear-gradient(135deg, #0a0e27 0%, #1a1f4e 50%, #0a0e27 100%);
  color: #fff;
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(230, 57, 70, 0.15) 0%, transparent 60%);
  pointer-events: none;
  animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(10%, 10%);
  }
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 70% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
  animation: fadeInUp 0.8s ease;
}

.hero h1 span {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero h1 span::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  animation: underlineExpand 0.6s 0.4s forwards;
}

@keyframes underlineExpand {
  to {
    transform: scaleX(1);
  }
}

.hero p {
  font-size: 1.2rem;
  max-width: 680px;
  margin: 0 auto 32px;
  opacity: 0.9;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.4s ease both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 60px 0 50px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: 0;
  cursor: pointer;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}

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

.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ===== Sections ===== */
section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin-top: 8px;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 48px;
  max-width: 640px;
}

@media (max-width: 768px) {
  section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.about-text p {
  margin-bottom: 16px;
  font-size: 1.05rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: var(--gray);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.stat-item:hover::before {
  transform: scaleX(1);
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* ===== Services Section ===== */
#services {
  background: var(--gray);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(230, 57, 70, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

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

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.8rem;
  color: #fff;
  transition: transform var(--transition);
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(-5deg);
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
  color: var(--text);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===== Advantages Section ===== */
.advantages-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.advantage-item {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  border-left: 4px solid var(--accent);
  transition: var(--transition);
  position: relative;
}

.advantage-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-left-width: 6px;
}

.advantage-item h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.advantage-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===== Testimonials Section ===== */
#testimonials {
  background: var(--gray);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.testimonial-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.1;
  font-family: Georgia, serif;
}

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

.testimonial-text {
  font-style: italic;
  margin-bottom: 16px;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
}

.testimonial-role {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ===== Articles Section ===== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.article-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.article-body {
  padding: 20px;
}

.article-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text);
}

.article-body p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.article-meta {
  font-size: 0.8rem;
  color: #adb5bd;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.article-meta a {
  color: var(--accent);
  font-weight: 500;
  transition: var(--transition);
}

.article-meta a:hover {
  padding-right: 5px;
}

/* ===== FAQ Section ===== */
#faq {
  background: var(--gray);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e9ecef;
  padding: 16px 0;
}

.faq-question {
  background: none;
  border: 0;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  text-align: left;
  padding: 8px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  transition: var(--transition);
  color: var(--accent);
}

.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding-left: 4px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 12px;
}

.faq-answer p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ===== How To Section ===== */
.howto {
  background: var(--gray);
  border-radius: var(--radius);
  padding: 40px;
  margin-top: 32px;
  border: 1px solid var(--border);
}

.howto-step {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  align-items: flex-start;
  transition: var(--transition);
}

.howto-step:hover {
  transform: translateX(8px);
}

.howto-step-number {
  background: var(--accent);
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition);
}

.howto-step:hover .howto-step-number {
  transform: scale(1.1);
}

.howto-step-content h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
  color: var(--text);
}

.howto-step-content p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* ===== Contact Section ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info p {
  margin-bottom: 12px;
  font-size: 1rem;
}

.contact-info strong {
  color: var(--primary);
}

.contact-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
  color: var(--text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #dee2e6;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: var(--transition);
  margin-bottom: 16px;
  font-family: inherit;
  background: var(--card-bg);
  color: var(--text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

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

/* ===== Footer ===== */
footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-grid h4 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.footer-grid h4::after {
  content: '';
  display: block;
  width: 30px;
  height: 2px;
  background: var(--accent);
  margin-top: 4px;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.7);
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-grid a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
}

.footer-bottom p {
  margin-bottom: 4px;
}

/* ===== Back to Top Button ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 99;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}

/* ===== Dark Mode Toggle ===== */
.dark-mode-toggle {
  background: rgba(255, 255, 255, 0.1);
  border: 0;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.dark-mode-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(360deg);
}

/* ===== Dark Mode Styles ===== */
body.dark .service-card,
body.dark .testimonial-card,
body.dark .article-card {
  background: var(--card-bg);
  border-color: var(--border);
}

body.dark .stat-item {
  background: var(--gray);
}

body.dark .advantage-item {
  background: var(--gray);
}

body.dark .howto {
  background: var(--gray);
  border-color: var(--border);
}

body.dark .contact-form input,
body.dark .contact-form textarea {
  background: var(--gray);
  border-color: #444;
  color: var(--text);
}

body.dark .faq-item {
  border-color: #333;
}

body.dark .section-title {
  color: #e0e0e0;
}

body.dark .contact-info strong {
  color: #e0e0e0;
}

/* ===== Banner Carousel ===== */
.banner-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  margin: 40px 0;
  background: var(--gray);
}

.banner-slide {
  display: none;
  padding: 40px 32px;
  text-align: center;
  min-height: 200px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.banner-slide.active {
  display: flex;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.banner-slide h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--text);
}

.banner-slide p {
  color: var(--text-light);
  max-width: 500px;
}

.banner-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 0;
}

.banner-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 0;
  background: #ccc;
  cursor: pointer;
  transition: var(--transition);
}

.banner-dots button.active {
  background: var(--accent);
  width: 28px;
  border-radius: 6px;
}

.banner-dots button:hover {
  background: var(--accent);
}

/* ===== Search Box ===== */
.search-box {
  display: flex;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto 32px;
}

.search-box input {
  flex: 1;
  padding: 10px 16px;
  border: 2px solid #dee2e6;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--card-bg);
  color: var(--text);
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
}

.search-box button {
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  background: var(--accent-hover);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  gap: 8px;
  list-style: none;
  font-size: 0.85rem;
  padding: 12px 0;
  color: var(--text-light);
}

.breadcrumb li+li::before {
  content: '/';
  margin-right: 8px;
  color: #adb5bd;
}

.breadcrumb a {
  color: var(--accent);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* ===== Glass Morphism Effects ===== */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 1.6rem;
  }

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

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

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

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

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

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

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

  .howto {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 0 30px;
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
  }

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

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  [data-aos] {
    opacity: 1;
    transform: none !important;
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }