.promo-countdown {
  margin: 16px 0 8px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(135deg, #fff 60%, #ffe5e5 100%);
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(230, 0, 0, 0.08);
  padding: 12px 0 8px 0;
}
.countdown-label {
  color: #e60000;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 6px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #ffd6d6;
  margin-bottom: 10px;
}
.countdown-timer.modern {
  display: flex;
  gap: 8px;
  justify-content: center;
  align-items: center;
}
.countdown-sep {
  font-size: 2rem;
  color: #e60000;
  font-weight: 900;
  padding: 0 4px;
  user-select: none;
}
.countdown-item {
  background: #fff6f6;
  border: 2px solid #e60000;
  border-radius: 16px;
  padding: 10px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 60px;
  box-shadow: 0 2px 8px #ffd6d6;
  animation: glow 2s infinite;
  transition: box-shadow 0.3s;
  font-family: inherit;
  margin: 0 2px;
  font-size: 1rem;
  border-radius: 12px;
  background: #fff;
  border: 2px solid #e60000;
  box-shadow: 0 2px 8px #ffd6d6;
}
.countdown-value {
  color: #e60000;
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 2px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #ffd6d6;
}
.countdown-text {
  color: #222;
  font-size: 0.95rem;
  font-weight: 500;
  margin-top: 2px;
  letter-spacing: 0.5px;
}
@media (max-width: 600px) {
  .countdown-item {
    padding: 6px 8px;
    min-width: 40px;
    border-radius: 8px;
  }
  .countdown-value {
    font-size: 1.1rem;
  }
  .countdown-text {
    font-size: 0.8rem;
  }
  .countdown-timer.modern {
    gap: 4px;
  }
  .countdown-sep {
    font-size: 1.2rem;
    padding: 0 2px;
  }
}
/* Modern CSS Enhancements */
* {
  scroll-behavior: smooth;
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

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

body {
  background: linear-gradient(135deg, #f8f9fa 0%, #fff 50%, #f8f9fa 100%);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Roboto",
    sans-serif;
}

/* Smooth transitions */
a,
button {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Glassmorphism effects */
.section {
  backdrop-filter: blur(10px);
}

/* Promo Highlight Section */
.promo-highlight {
  width: 100%;
  background: linear-gradient(90deg, #fff 0%, #ffe5e5 100%);
  padding: 32px 0 16px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInDown 1s;
}

.promo-flash {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border: 2px dashed #e60000;
  border-radius: 32px;
  padding: 24px 36px;
  background: #fff;
  box-shadow: 0 4px 24px rgba(230, 0, 0, 0.08);
  animation: glow 2s infinite;
}

.promo-flash .fa-gift {
  color: #e60000;
  font-size: 2.5rem;
  margin-bottom: 8px;
  animation:
    bounceIn 1.2s,
    float 2s infinite;
}

.promo-title {
  color: #e60000;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-shadow: 0 2px 8px #ffd6d6;
}

.promo-desc {
  color: #222;
  font-size: 1.2rem;
  font-weight: 500;
}

.promo-desc b {
  color: #e60000;
  font-size: 1.3rem;
  font-weight: 700;
}

.promo-btn {
  margin-top: 10px;
  background: #e60000;
  color: #fff;
  border: none;
  border-radius: 24px;
  padding: 12px 32px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 8px #ffd6d6;
  transition: background 0.3s;
}
.promo-btn:hover {
  background: #b30000;
}

@media (max-width: 600px) {
  .promo-flash {
    padding: 16px 8px;
    border-radius: 16px;
  }
  .promo-title {
    font-size: 1.2rem;
  }
  .promo-desc {
    font-size: 1rem;
  }
  .promo-btn {
    padding: 8px 16px;
    font-size: 1rem;
  }
}

/* Scroll animation keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes glow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(200, 0, 0, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(200, 0, 0, 0.5);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.main-nav.sticky-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
  backdrop-filter: blur(20px);
  animation: slideInDown 0.6s ease;
  border-bottom: 1px solid rgba(200, 0, 0, 0.1);
}

@keyframes slideInDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 80px;
  background: rgba(255, 255, 255, 0.85);
  max-width: 100%;
  box-sizing: border-box;
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(200, 0, 0, 0.1);
}
.main-nav .logo {
  font-size: 1.3rem;
  font-weight: bold;
  letter-spacing: 0.5px;
  color: #2d3748;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}
.main-nav .logo i {
  font-size: 2rem;
  color: rgba(200, 0, 0, 0.8);
}
.main-nav .logo-text {
  display: flex;
  align-items: center;
  gap: 4px;
  line-height: 1.2;
  font-size: 1rem;
}
.main-nav .highlight {
  color: #c80000;
  font-weight: bold;
}
.main-nav .nav-menu {
  list-style: none;
  display: flex;
  gap: 24px;
  margin: 0;
  padding: 0;
  align-items: center;
  flex-wrap: nowrap;
}
.main-nav li a {
  color: #475569;
  font-size: 0.95rem;
  text-decoration: none;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: inline-block;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
}

.main-nav li a i {
  display: none;
}

.main-nav li a::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: rgba(200, 0, 0, 0.6);
  transition: left 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.main-nav li a:hover {
  background: rgba(200, 0, 0, 0.08);
  color: #c80000;
  transform: translateY(-2px);
}

.main-nav li a:hover::before {
  left: 100%;
}

.main-nav .nav-highlight {
  background: rgba(200, 0, 0, 0.1);
  color: #c80000;
  font-weight: bold;
  border: 1px solid rgba(200, 0, 0, 0.3);
}
.main-nav .nav-highlight:hover {
  background: rgba(200, 0, 0, 0.15);
  transform: translateY(-2px);
}
@media (max-width: 900px) {
  .main-nav {
    padding: 0 12px;
    height: 60px;
  }
  .main-nav .logo {
    font-size: 1.5rem;
  }
  .main-nav ul {
    gap: 12px;
  }
}
body {
  padding-top: 60px;
}
/* Sticky header */
.sticky-header {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(200, 0, 0, 0.12);
}

.banner-slide {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 350px;
  animation: fadeIn 0.7s;
}
.banner-slide.active {
  display: flex;
}
.banner-prev,
.banner-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  color: #c80000;
  border: 1px solid rgba(200, 0, 0, 0.2);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 20;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}
.banner-prev:hover,
.banner-next:hover {
  background: rgba(200, 0, 0, 0.15);
  color: #c80000;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 6px 16px rgba(200, 0, 0, 0.2);
}
.banner-prev {
  left: 30px;
}
.banner-next {
  right: 30px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Main color palette */
body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  margin: 0;
  background: #fff;
  color: #222;
  padding-top: 70px;
}
/* MENU */
.main-nav {
  background: rgba(255, 255, 255, 0.85);
  color: #2d3748;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 70px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(20px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1002;
  border-bottom: 1px solid rgba(200, 0, 0, 0.1);
}
.main-nav .logo {
  font-size: 2.2rem;
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #2d3748;
}
.main-nav .highlight {
  color: #c80000;
}
.main-nav ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 60px;
  background: transparent;
  color: #2d3748;
  font-size: 1.15rem;
  text-decoration: none;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  transition: background 0.2s;
}
.main-nav li a:hover {
  background: rgba(200, 0, 0, 0.1);
  color: #c80000;
}

/* Hamburger Menu Button */
.hamburger-menu {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger-menu span {
  width: 25px;
  height: 3px;
  background: #c80000;
  border-radius: 3px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hamburger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Menu Overlay/Backdrop */
.menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(2px);
}

.menu-overlay.active {
  display: block;
  opacity: 1;
}

/* HERO */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    rgba(200, 0, 0, 0.05) 0%,
    rgba(220, 38, 38, 0.08) 50%,
    rgba(239, 68, 68, 0.05) 100%
  );
  padding: 80px 24px 80px 24px;
  min-height: 450px;
  max-width: 100%;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 1px,
    transparent 1px
  );
  background-size: 50px 50px;
  animation: moveBackground 20s linear infinite;
  pointer-events: none;
}

.hero-section::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(200, 0, 0, 0.1) 0%,
    transparent 100%
  );
  pointer-events: none;
}

@keyframes moveBackground {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(50px, 50px);
  }
}

.hero-section .banner-slide {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
  animation: fadeInUp 0.8s ease;
}

.hero-left {
  flex: 0 0 35%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.hero-car {
  width: 100%;
  max-width: 350px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 3px solid rgba(255, 255, 255, 0.2);
  animation: float 3s ease-in-out infinite;
}

.hero-car:hover {
  transform: translateY(-12px) scale(1.05);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 255, 255, 0.4);
}

.hero-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: #fff;
  z-index: 2;
}

.hotline-box {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  color: #c80000;
  padding: 18px 36px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  width: fit-content;
  box-shadow: 0 10px 32px rgba(200, 0, 0, 0.15);
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 2px solid rgba(200, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  animation: slideInUp 0.8s ease 0.3s both;
}

.hotline-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: left 0.5s;
}

.hotline-box:hover {
  background: rgba(200, 0, 0, 0.1);
  backdrop-filter: blur(20px);
  box-shadow: 0 14px 40px rgba(200, 0, 0, 0.2);
  transform: translateY(-6px);
  border-color: rgba(200, 0, 0, 0.3);
}

.hotline-box:hover::before {
  left: 100%;
}

.hotline-icon {
  font-size: 1.8rem;
  animation: glow 2s infinite;
}

.hotline-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  font-size: 0.9rem;
}

.hotline-text strong {
  font-size: 1.3rem;
  color: #c80000;
  font-weight: 800;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  margin: 0;
  text-transform: uppercase;
  line-height: 1.15;
  letter-spacing: 0.8px;
  background: linear-gradient(
    135deg,
    #fff 0%,
    rgba(200, 0, 0, 0.9) 50%,
    #fff 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
  animation: slideInUp 0.8s ease;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #c80000 0%, #ef4444 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  filter: drop-shadow(0 2px 6px rgba(200, 0, 0, 0.3));
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.6;
  margin: 0;
  color: rgba(255, 255, 255, 0.95);
}

.hero-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-list li {
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.95);
}

.hero-list i {
  color: rgba(200, 0, 0, 0.8);
  font-size: 1.25rem;
  width: 24px;
}

.hero-btn {
  background: rgba(200, 0, 0, 0.1);
  color: #c80000;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 16px 44px;
  border-radius: 14px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: 2px solid rgba(200, 0, 0, 0.3);
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.hero-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 0, 0, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.hero-btn:hover {
  background: rgba(200, 0, 0, 0.15);
  backdrop-filter: blur(20px);
  color: #c80000;
  transform: translateY(-6px);
  box-shadow: 0 14px 40px rgba(200, 0, 0, 0.2);
}

.hero-btn:hover::before {
  left: 100%;
}
.hero-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.hero-list li {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.hero-list i {
  color: rgba(200, 0, 0, 0.8);
  margin-right: 8px;
}
.cta-btn {
  background: #c80000;
  color: #fff;
  font-size: 1.25rem;
  font-weight: bold;
  padding: 14px 36px;
  border-radius: 10px;
  text-decoration: none;
  display: inline-block;
  margin-top: 18px;
  transition: background 0.2s;
  box-shadow: 0 2px 8px rgba(200, 0, 0, 0.15);
}
.cta-btn:hover {
  background: rgba(200, 0, 0, 0.9);
  color: #fff;
}
/* SIDEBAR SOCIAL */
.sidebar-social {
  position: fixed;
  top: 120px;
  left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: rgba(200, 0, 0, 0.95);
  padding: 14px 8px;
  border-radius: 0 18px 18px 0;
  box-shadow: 0 2px 8px rgba(200, 0, 0, 0.15);
}
.social-icon {
  color: #fff;
  font-size: 1.6rem;
  text-align: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, #c80000, #ff3333);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(200, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}
.social-icon::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 70%
  );
  transition: all 0.5s;
}
.social-icon:hover {
  background: rgba(200, 0, 0, 0.15);
  color: #c80000;
  transform: scale(1.15) rotate(-10deg);
  box-shadow: 0 10px 32px rgba(200, 0, 0, 0.2);
}
.social-icon:hover::before {
  top: 0;
  left: 0;
}
.social-icon img {
  width: 24px;
  height: 24px;
  z-index: 1;
}
/* SECTION */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 44px 24px;
  position: relative;
}
.section-title {
  text-align: center;
  margin-bottom: 56px;
}
.section-title h2 {
  font-size: 2.3rem;
  font-weight: bold;
  color: #c80000;
  margin: 0;
  text-transform: uppercase;
}
.section-title .subtitle {
  font-size: 1.15rem;
  color: #64748b;
  font-weight: 500;
}
/* INTRO */
.intro-content {
  display: flex;
  gap: 36px;
  align-items: center;
  justify-content: center;
}
.intro-img img {
  width: 100%;
  max-width: 340px;
  border-radius: 18px;
  box-shadow: 0 4px 16px rgba(200, 0, 0, 0.12);
}
.intro-text {
  flex: 1;
  font-size: 1.15rem;
  color: #222;
}
.intro-text .cta-btn {
  margin-top: 20px;
}
/* INTRO SECTION */
/* ===== INTRO SECTION - MODERN DESIGN ===== */
.intro-section {
  padding: 100px 24px;
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 50%, #fff 100%);
  position: relative;
  overflow: hidden;
}

.intro-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 100%;
  max-width: 500px;
  height: 500px;
  background: radial-gradient(
    circle,
    rgba(255, 215, 0, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  z-index: 0;
}

.intro-section::after {
  content: "";
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 100%;
  max-width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(200, 0, 0, 0.08) 0%,
    transparent 70%
  );
  border-radius: 50%;
  z-index: 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
  position: relative;
  z-index: 1;
}

/* Left Side - Images */
.intro-left {
  position: relative;
  animation: slideInLeft 0.8s ease both;
}

.intro-image-container {
  position: relative;
}

.intro-main-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  transition: all 0.4s ease;
}

.intro-main-image:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.intro-main-image .main-img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.4s ease;
}

.intro-main-image:hover .main-img {
  transform: scale(1.05);
}

.image-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: linear-gradient(135deg, #c80000, #ff3333);
  color: #fff;
  padding: 12px 24px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px rgba(200, 0, 0, 0.3);
  animation: bounceIn 0.8s ease 0.3s both;
}

.image-badge i {
  font-size: 1.1rem;
}

.intro-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.gallery-item {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  cursor: pointer;
  aspect-ratio: 1;
}

.gallery-item:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 12px 32px rgba(200, 0, 0, 0.2);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Right Side - Content */
.intro-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: slideInRight 0.8s ease both;
}

.intro-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #c80000;
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: fadeInDown 0.8s ease 0.2s both;
}

.intro-label i {
  color: rgba(200, 0, 0, 0.8);
}

.intro-title {
  font-size: 3rem;
  font-weight: 900;
  color: #1a1a1a;
  line-height: 1.2;
  margin: 0;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.intro-title .highlight {
  background: linear-gradient(135deg, #c80000 0%, #ff3333 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  text-shadow: 0 2px 4px rgba(200, 0, 0, 0.1);
}

.intro-description {
  font-size: 1.1rem;
  color: #555;
  line-height: 1.8;
  margin: 0;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.intro-description strong {
  color: #c80000;
  font-weight: 700;
}

.intro-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fadeInUp 0.8s ease 0.5s both;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: #333;
  font-weight: 500;
}

.feature-item i {
  color: #c80000;
  font-size: 1.2rem;
}

.intro-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, #c80000 0%, #ff3333 100%);
  color: #fff;
  padding: 18px 40px;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(200, 0, 0, 0.3);
  transition: all 0.3s ease;
  width: fit-content;
  position: relative;
  overflow: hidden;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.intro-cta::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition:
    width 0.6s ease,
    height 0.6s ease;
}

.intro-cta:hover::before {
  width: 300px;
  height: 300px;
}

.intro-cta:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(200, 0, 0, 0.4);
}

.intro-cta i {
  transition: transform 0.3s ease;
}

.intro-cta:hover i {
  transform: translateX(6px);
}

/* Responsive */
@media (max-width: 968px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .intro-title {
    font-size: 2.5rem;
  }

  .intro-left {
    order: 2;
  }

  .intro-right {
    order: 1;
  }
}

@media (max-width: 576px) {
  .intro-section {
    padding: 60px 16px;
  }

  .intro-title {
    font-size: 2rem;
  }

  .intro-description {
    font-size: 1rem;
  }

  .intro-gallery {
    gap: 12px;
  }

  .intro-cta {
    padding: 16px 32px;
    font-size: 1rem;
  }
}

.intro-btn:hover::before {
  left: 100%;
}
.paint-effect {
  filter: drop-shadow(0 12px 40px rgba(200, 0, 0, 0.2));
}
/* SECTION TITLE WITH SEPARATOR */
.section-title h2 {
  font-size: 2.4rem;
  font-weight: 900;
  background: linear-gradient(135deg, #c80000 0%, #dc2626 50%, #ef4444 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 16px 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  filter: drop-shadow(0 2px 4px rgba(200, 0, 0, 0.15));
  animation: slideInDown 0.8s ease;
}

.section-title .subtitle {
  font-size: 1rem;
  color: #999;
  font-weight: 500;
  position: relative;
  padding: 0 20px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.section-title .subtitle::before,
.section-title .subtitle::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #ddd, transparent);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.section-title .subtitle::before {
  left: 0;
}
.section-title .subtitle::after {
  right: 0;
}
/* REASONS */
.gray-bg {
  background: #f5f5f5;
}
.reasons-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
}

.reason-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  padding: 40px 28px 36px 28px;
  text-align: center;
  position: relative;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border: none;
  overflow: visible;
  animation: fadeInUp 0.8s ease backwards;
}

.reason-card:nth-child(1) {
  animation-delay: 0.1s;
}
.reason-card:nth-child(2) {
  animation-delay: 0.2s;
}
.reason-card:nth-child(3) {
  animation-delay: 0.3s;
}
.reason-card:nth-child(4) {
  animation-delay: 0.4s;
}

.reason-card::before {
  content: "";
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(200, 0, 0, 0.08) 50%,
    transparent 70%
  );
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reason-card:hover {
  box-shadow: 0 24px 64px rgba(200, 0, 0, 0.25);
  transform: translateY(-14px) scale(1.02);
  border-color: #c80000;
}

.reason-card:hover::before {
  top: -50%;
  left: -50%;
}
.reason-icon {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 90px;
  background: rgba(255, 255, 255, 0.95);
  border: 3px solid rgba(200, 0, 0, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: #c80000;
  box-shadow: 0 12px 32px rgba(200, 0, 0, 0.15);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  animation: bounceIn 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) backwards;
  backdrop-filter: blur(10px);
}

.reason-card:nth-child(1) .reason-icon {
  animation-delay: 0.1s;
}
.reason-card:nth-child(2) .reason-icon {
  animation-delay: 0.2s;
}
.reason-card:nth-child(3) .reason-icon {
  animation-delay: 0.3s;
}
.reason-card:nth-child(4) .reason-icon {
  animation-delay: 0.4s;
}

.reason-card:hover .reason-icon {
  transform: translateX(-50%) scale(1.2) rotate(8deg);
  box-shadow: 0 20px 50px rgba(200, 0, 0, 0.6);
}
.reason-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #222;
  margin: 24px 0 14px 0;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s;
}
.reason-card:hover h3 {
  color: #c80000;
}
.reason-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.7;
  margin: 0;
  transition: all 0.3s;
}
.reason-card:hover p {
  color: #555;
}
/* COURSES */
.courses-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.course-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(200, 0, 0, 0.12);
  padding: 22px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  border: none;
  animation: fadeInUp 0.8s ease backwards;
}

.course-card:nth-child(1) {
  animation-delay: 0.1s;
}
.course-card:nth-child(2) {
  animation-delay: 0.2s;
}
.course-card:nth-child(3) {
  animation-delay: 0.3s;
}

.course-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 0, 0, 0.12),
    transparent
  );
  transition: left 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.course-card:hover {
  box-shadow: 0 20px 60px rgba(200, 0, 0, 0.22);
  transform: translateY(-12px) scale(1.02);
  border-color: #c80000;
}

.course-card:hover::after {
  left: 100%;
}
.course-card img {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 14px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  object-fit: cover;
}

.course-card:hover img {
  transform: scale(1.1) translateY(-4px);
}
.course-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #c80000;
  transition: all 0.3s;
}
.course-card:hover .course-title {
  color: #ff3333;
}
.ribbon {
  display: inline-block;
  background: rgba(200, 0, 0, 0.1);
  color: #c80000;
  font-size: 1rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 12px;
  margin-top: 8px;
  margin-bottom: 8px;
  border: 1px solid rgba(200, 0, 0, 0.25);
  letter-spacing: 0.5px;
  backdrop-filter: blur(10px);
}
/* DOCUMENTS */
.documents-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.document-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(200, 0, 0, 0.12);
  padding: 22px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  border: none;
  animation: fadeInUp 0.8s ease backwards;
}

.document-card:nth-child(1) {
  animation-delay: 0.1s;
}
.document-card:nth-child(2) {
  animation-delay: 0.2s;
}
.document-card:nth-child(3) {
  animation-delay: 0.3s;
}

.document-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 0, 0, 0.12),
    transparent
  );
  transition: left 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.document-card:hover {
  box-shadow: 0 20px 60px rgba(200, 0, 0, 0.22);
  transform: translateY(-12px) scale(1.02);
  border-color: #c80000;
}

.document-card:hover::after {
  left: 100%;
}

.document-card img {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 14px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  object-fit: cover;
}

.document-card:hover img {
  transform: scale(1.1) translateY(-4px);
}
.document-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #c80000;
  transition: all 0.3s;
}
.document-card:hover .document-title {
  color: #ff3333;
}
/* ALBUM */
.album-section {
  padding: 60px 24px;
}

.album-desc {
  font-size: 1.1rem;
  color: #222;
  margin-top: 10px;
}

.album-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}

.album-main {
  display: flex;
  justify-content: center;
  animation: slideInLeft 0.8s ease;
}

.album-img-main {
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(200, 0, 0, 0.25);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
  border: 6px solid #fff;
}

.album-img-main:hover {
  transform: scale(1.04) translateY(-8px);
  box-shadow: 0 24px 64px rgba(200, 0, 0, 0.35);
  border-color: rgba(200, 0, 0, 0.3);
}

.album-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: slideInRight 0.8s ease;
}

.album-img-side {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(200, 0, 0, 0.2);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: block;
  height: 240px;
  object-fit: cover;
}

.album-img-side:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 16px 50px rgba(200, 0, 0, 0.3);
}
.album-cards {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.album-cards img {
  width: 240px;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(200, 0, 0, 0.18);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
  border: 3px solid #fff;
}

.album-cards img:hover {
  box-shadow: 0 16px 50px rgba(200, 0, 0, 0.28);
  transform: scale(1.08) translateY(-8px);
  border-color: rgba(200, 0, 0, 0.3);
}
/* TESTIMONIALS */
.testimonials-cards {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
}

.testimonial-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(200, 0, 0, 0.12);
  padding: 36px 24px;
  text-align: center;
  color: #c80000;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  border: none;
  max-width: 350px;
  animation: fadeInUp 0.8s ease backwards;
}

.testimonial-card:nth-child(1) {
  animation-delay: 0.1s;
}
.testimonial-card:nth-child(2) {
  animation-delay: 0.2s;
}
.testimonial-card:nth-child(3) {
  animation-delay: 0.3s;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 10px;
  font-size: 5rem;
  opacity: 0.08;
  color: #c80000;
  transition: all 0.3s;
}

.testimonial-card:hover {
  box-shadow: 0 22px 60px rgba(200, 0, 0, 0.22);
  transform: translateY(-14px) scale(1.02);
  border-color: #c80000;
}

.testimonial-card:hover::before {
  opacity: 0.12;
  transform: translateX(8px) translateY(-8px);
}

.testimonial-card img {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  margin-bottom: 16px;
  border: 3px solid rgba(200, 0, 0, 0.3);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(200, 0, 0, 0.15);
}

.testimonial-card:hover img {
  transform: scale(1.15) rotate(8deg);
  border-color: #c80000;
  box-shadow: 0 12px 32px rgba(200, 0, 0, 0.25);
}
.testimonial-text {
  font-size: 1.1rem;
  color: #222;
  margin-bottom: 14px;
  line-height: 1.7;
  font-style: italic;
  transition: all 0.3s;
}
.testimonial-card:hover .testimonial-text {
  color: #333;
}
.testimonial-name {
  font-size: 1.15rem;
  color: #c80000;
  font-weight: 700;
  margin: 8px 0 4px 0;
}
.testimonial-job {
  font-size: 0.95rem;
  color: #64748b;
  font-weight: 500;
  letter-spacing: 0.3px;
}
/* REGISTER */
.register-box {
  background: rgba(200, 0, 0, 0.05);
  color: #2d3748;
  border-radius: 20px;
  border: 2px solid rgba(200, 0, 0, 0.15);
  padding: 40px 24px;
  margin: 36px auto 0 auto;
  max-width: 500px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.register-box h2 {
  font-size: 1.8rem;
  font-weight: bold;
  margin: 0 0 14px 0;
  background: linear-gradient(135deg, #c80000, #ff3333);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.register-box .subtitle {
  font-size: 1.15rem;
  color: #c80000;
  font-weight: 500;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.register-form input,
.register-form textarea {
  padding: 14px 16px;
  border-radius: 12px;
  border: 2px solid rgba(200, 0, 0, 0.1);
  font-size: 1.05rem;
  background: #fff;
  color: #c80000;
  box-shadow: 0 4px 12px rgba(200, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.register-form input:focus,
.register-form textarea:focus {
  outline: none;
  border-color: #c80000;
  box-shadow: 0 6px 20px rgba(200, 0, 0, 0.15);
  transform: translateY(-2px);
}

.register-form button {
  background: linear-gradient(135deg, #c80000, #ff3333);
  color: #fff;
  font-size: 1.15rem;
  font-weight: bold;
  padding: 16px 40px;
  border-radius: 12px;
  border: none;
  margin-top: 10px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 8px 24px rgba(200, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.register-form button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
}

.register-form button:hover {
  background: linear-gradient(135deg, #ff3333, #c80000);
  box-shadow: 0 12px 32px rgba(200, 0, 0, 0.4);
  transform: translateY(-4px);
}

.register-form button:hover::before {
  left: 100%;
}
/* NEWS */
.news-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 12px 40px rgba(200, 0, 0, 0.12);
  padding: 22px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  border: none;
  animation: fadeInUp 0.8s ease backwards;
}

.news-card:nth-child(1) {
  animation-delay: 0.1s;
}
.news-card:nth-child(2) {
  animation-delay: 0.2s;
}
.news-card:nth-child(3) {
  animation-delay: 0.3s;
}

.news-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 0, 0, 0.12),
    transparent
  );
  transition: left 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.news-card:hover {
  box-shadow: 0 20px 60px rgba(200, 0, 0, 0.22);
  transform: translateY(-12px) scale(1.02);
  border-color: #c80000;
}

.news-card:hover::after {
  left: 100%;
}
.news-card img {
  width: 100%;
  border-radius: 16px;
  margin-bottom: 16px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  object-fit: cover;
}

.news-card:hover img {
  transform: scale(1.1) translateY(-4px);
}
.news-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #c80000;
  transition: all 0.3s;
  margin-bottom: 8px;
}
.news-card:hover .news-title {
  color: #ff3333;
}
.news-date {
  font-size: 0.95rem;
  color: #64748b;
  font-weight: 500;
}
.news-desc {
  font-size: 1rem;
  color: #222;
  margin-bottom: 12px;
  line-height: 1.6;
  transition: all 0.3s;
}
.news-card:hover .news-desc {
  color: #333;
}
.news-link {
  color: #c80000;
  font-weight: 700;
  text-decoration: none;
  font-size: 1.05rem;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-link:hover {
  color: #ff3333;
  transform: translateX(4px);
}
/* FOOTER */
.footer-city {
  background: linear-gradient(
    135deg,
    rgba(248, 249, 250, 0.75) 0%,
    rgba(255, 255, 255, 0.8) 50%,
    rgba(240, 242, 245, 0.75) 100%
  );
  color: #2d3748;
  padding: 60px 0 0 0;
  position: relative;
  margin-top: 80px;
  border-top: 5px solid #c80000;
  backdrop-filter: blur(30px);
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.05);
}
.footer-wrapper {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 50px;
  padding: 60px 0 50px 0;
}
.footer-col {
  display: flex;
  flex-direction: column;
}
.footer-brand h3 {
  font-size: 2rem;
  font-weight: 900;
  margin: 12px 0 0 0;
  color: #c80000;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.footer-icon {
  font-size: 2.8rem;
  background: linear-gradient(135deg, #c80000, #ff3333);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-tagline {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.7;
  margin-top: 14px;
  font-weight: 400;
}
.footer-col h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 24px 0;
  color: #c80000;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  position: relative;
  padding-bottom: 14px;
}
.footer-col h4:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 4px;
  background: linear-gradient(90deg, #c80000, #ff3333);
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(200, 0, 0, 0.3);
}
.footer-item {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  align-items: flex-start;
  transition: all 0.3s;
}
.footer-item:hover {
  transform: translateX(8px);
}
.footer-item i {
  color: #c80000;
  font-size: 1.2rem;
  min-width: 20px;
  width: 20px;
  transition: all 0.3s;
  flex-shrink: 0;
  text-align: left;
  margin-top: 2px;
}
.footer-item:hover i {
  color: #ff3333;
  transform: scale(1.2);
}
.footer-item > div {
  flex: 1;
  min-width: 0;
}
.footer-label {
  font-size: 0.85rem;
  color: #c80000;
  font-weight: 700;
  margin: 0 0 4px 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-item p {
  font-size: 0.95rem;
  color: #475569;
  margin: 0;
  line-height: 1.6;
  transition: all 0.3s;
}
.footer-item:hover p {
  color: #2d3748;
}
.footer-item a {
  color: #c80000;
  text-decoration: none;
  transition: all 0.3s;
  font-weight: 600;
}
.footer-item a:hover {
  color: #ff3333;
  text-shadow: none;
}
.footer-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-menu li {
  margin-bottom: 14px;
}
.footer-menu li a {
  color: #475569;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  position: relative;
  padding-left: 0;
}
.footer-menu li a::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: #c80000;
  transition: width 0.3s;
}
.footer-menu li a:hover {
  color: #c80000;
}
.footer-menu li a:hover::before {
  width: 100%;
}
.footer-social-col {
  align-items: flex-start;
}
.footer-social-icons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-social-link {
  width: 54px;
  height: 54px;
  background: linear-gradient(135deg, #c80000, #ff3333);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  font-size: 1.5rem;
  box-shadow: 0 6px 20px rgba(200, 0, 0, 0.3);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.footer-social-link::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
}
.footer-social-link:hover {
  background: rgba(200, 0, 0, 0.15);
  backdrop-filter: blur(20px);
  color: #c80000;
  transform: translateY(-8px) scale(1.15);
  box-shadow: 0 12px 32px rgba(200, 0, 0, 0.3);
  border-color: rgba(200, 0, 0, 0.4);
}
.footer-social-link:hover::before {
  left: 100%;
}
.footer-social-link .zalo-icon {
  width: 24px;
  height: 28px;
  filter: brightness(0) invert(1);
}
.footer-social-link:hover .zalo-icon {
  filter: brightness(1) invert(0);
}
.footer-divider {
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(200, 0, 0, 0.3),
    transparent
  );
  margin: 0;
}
.footer-bottom {
  background: linear-gradient(
    90deg,
    rgba(240, 242, 245, 0.65) 0%,
    rgba(248, 249, 250, 0.7) 50%,
    rgba(240, 242, 245, 0.65) 100%
  );
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid rgba(200, 0, 0, 0.15);
  backdrop-filter: blur(20px);
  width: 100%;
}
.footer-copyright {
  font-size: 1rem;
  color: #64748b;
  margin: 0 0 12px 0;
  letter-spacing: 0.3px;
  transition: all 0.3s;
}
.footer-copyright:hover {
  color: #2d3748;
}
.footer-copyright strong {
  color: #c80000;
  font-weight: 700;
  letter-spacing: 1px;
}
.footer-credit {
  font-size: 0.9rem;
  color: #64748b;
  margin: 0;
  transition: all 0.3s;
}
.footer-credit:hover {
  color: #475569;
}
.footer-credit i {
  color: #c80000;
  margin: 0 6px;
  animation: heartbeat 1.2s infinite;
}
@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
    color: #ff3333;
  }
}

/* Responsive */
/* Desktop Large (1200px and down) */
@media (max-width: 1200px) {
  .section {
    padding: 40px 20px;
  }
  .section-title {
    margin-bottom: 32px;
  }
  .hero-section {
    padding: 60px 20px;
  }
  .intro-section {
    padding: 50px 20px;
  }
}

/* Desktop Medium (900px and down) */
@media (max-width: 900px) {
  .hamburger-menu {
    display: flex;
  }

  .main-nav {
    padding: 0 16px;
    height: 60px;
    background: #ffffff !important;
    backdrop-filter: none !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }

  .main-nav.sticky-header {
    background: #ffffff !important;
    backdrop-filter: none !important;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    right: -100%;
    width: 300px;
    height: auto;
    max-height: calc(100vh - 60px);
    background: #ffffff !important;
    backdrop-filter: none !important;
    border-left: 1px solid rgba(200, 0, 0, 0.2);
    border-radius: 0;
    flex-direction: column;
    padding: 0;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    list-style: none;
    display: none;
    align-items: stretch;
    gap: 0;
    z-index: 1002;
  }

  .nav-menu.active {
    right: 0;
    display: flex;
    flex-direction: column;
    height: auto;
    border-radius: 0;
    gap: 0;
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(20px) !important;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.25);
    animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-menu li {
    width: 100%;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    display: block !important;
    height: auto;
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.3s ease;
  }

  .nav-menu.active li {
    animation: fadeSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  }

  .nav-menu.active li:nth-child(1) {
    animation-delay: 0.05s;
  }
  .nav-menu.active li:nth-child(2) {
    animation-delay: 0.1s;
  }
  .nav-menu.active li:nth-child(3) {
    animation-delay: 0.15s;
  }
  .nav-menu.active li:nth-child(4) {
    animation-delay: 0.2s;
  }
  .nav-menu.active li:nth-child(5) {
    animation-delay: 0.25s;
  }
  .nav-menu.active li:nth-child(6) {
    animation-delay: 0.3s;
  }

  .nav-menu li a {
    display: flex !important;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 16px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 0;
    transition: all 0.3s ease;
    color: #2d3748 !important;
    text-align: left;
    position: relative;
    text-decoration: none;
    background: transparent !important;
    border-bottom: 1px solid rgba(200, 0, 0, 0.08);
    visibility: visible !important;
    opacity: 1 !important;
  }

  .nav-menu li a i {
    display: inline-flex !important;
    font-size: 1.1rem;
    color: #c80000;
    width: 24px;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-menu li a::before {
    display: none;
  }

  .nav-menu li a:hover {
    background: rgba(200, 0, 0, 0.08) !important;
    color: #c80000 !important;
    transform: translateX(8px);
    padding-left: 28px;
  }

  .nav-menu li a:hover i {
    transform: scale(1.2) rotate(5deg);
  }

  .nav-highlight {
    background: rgba(200, 0, 0, 0.05) !important;
    color: #c80000 !important;
    font-weight: 600;
    border-left: 3px solid #c80000 !important;
  }

  .nav-highlight i {
    color: #c80000 !important;
  }
  .main-nav .logo {
    font-size: 1.1rem;
    gap: 8px;
  }
  .main-nav .logo i {
    font-size: 1.8rem;
  }
  .main-nav .logo-text {
    font-size: 0.9rem;
  }
  .banner-slider {
    min-height: 320px;
  }
  .banner-prev,
  .banner-next {
    width: 48px;
    height: 48px;
    font-size: 1.6rem;
  }
  .hotline-box {
    padding: 16px 24px;
    font-size: 0.95rem;
  }
  .hero-section {
    padding: 50px 24px;
    min-height: auto;
  }
  .hero-section .banner-slide {
    flex-direction: column;
    gap: 40px;
  }
  .hero-left {
    flex: 0 0 auto;
    width: 100%;
  }
  .hero-car {
    max-width: 300px;
  }
  .hero-right {
    flex: 1;
    width: 100%;
    gap: 16px;
  }
  .hero-title {
    font-size: 2rem;
  }
  .hero-desc {
    font-size: 1rem;
  }
  .hero-list li {
    font-size: 0.95rem;
  }
  .hero-btn {
    font-size: 1rem;
    padding: 12px 32px;
  }
  .sidebar-social {
    top: 80px;
    padding: 10px 5px;
  }
  .intro-flex-row {
    flex-direction: column;
    gap: 40px;
  }
  .intro-left {
    width: 100%;
  }
  .intro-right {
    width: 100%;
  }
  .intro-title-block {
    font-size: 2rem;
  }
  .intro-desc-block {
    font-size: 0.95rem;
  }
  .intro-label {
    font-size: 0.9rem;
  }
  .intro-thumbnails-overlay {
    flex-wrap: wrap;
    bottom: -30px;
    width: 80%;
  }
  .intro-thumb-img {
    width: 90px;
    height: 90px;
  }
  .intro-btn {
    padding: 12px 28px;
    font-size: 1rem;
  }
  .section {
    padding: 32px 16px;
  }
  .section-title {
    margin-bottom: 30px;
  }
  .section-title h2 {
    font-size: 2rem;
  }
  .reasons-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .reason-card {
    padding: 36px 24px 32px;
  }
  .reason-icon {
    width: 85px;
    height: 85px;
    top: -42px;
    font-size: 1.9rem;
  }
  .reason-card h3 {
    font-size: 1.05rem;
    margin-top: 10px;
  }
  .reason-card p {
    font-size: 0.9rem;
  }
  .courses-cards,
  .documents-cards,
  .testimonials-cards,
  .news-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .course-card,
  .document-card {
    padding: 20px;
  }
  .course-icon,
  .document-icon {
    width: 55px;
    height: 55px;
    font-size: 1.6rem;
  }
  .album-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .album-main {
    height: auto;
    max-height: 350px;
  }
  .album-img-side {
    height: 220px;
  }
  .testimonial-card {
    padding: 20px;
  }
  .avatar-circle {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
  .news-card {
    padding: 16px;
  }
  .album-cards {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding: 40px 0 30px 0;
  }

  .footer-wrapper {
    padding: 0 20px;
  }
  .footer-col h4 {
    font-size: 1.05rem;
  }
  .footer-col h4:after {
    width: 30px;
  }
  .footer-col p {
    font-size: 0.9rem;
  }
  .footer-social-icons {
    gap: 12px;
  }
}

/* Tablet - iPad (768px) */
@media (max-width: 768px) {
  .banner-slide {
    min-height: 280px;
    padding: 0 16px;
  }
  .banner-prev,
  .banner-next {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
  }
  .hotline-box {
    padding: 14px 20px;
    font-size: 0.9rem;
  }
  .hero-section {
    padding: 40px 16px;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-desc {
    font-size: 0.95rem;
  }
  .section {
    padding: 28px 14px;
  }
  .section-title {
    margin-bottom: 28px;
  }
  .section-title h2 {
    font-size: 1.8rem;
    line-height: 1.3;
  }
  .intro-flex-row {
    gap: 24px;
  }
  .intro-title-block {
    font-size: 1.6rem;
  }
  .intro-desc-block {
    font-size: 0.92rem;
  }
  .reasons-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .reason-card {
    padding: 32px 20px 28px;
  }
  .courses-cards,
  .documents-cards,
  .testimonials-cards,
  .news-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .album-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .album-main {
    height: auto;
    max-height: 300px;
  }
  .album-img-side {
    height: 200px;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    padding: 36px 0 28px 0;
  }

  .footer-wrapper {
    padding: 0 24px;
  }
  .footer-col h4 {
    font-size: 1rem;
  }
  .footer-col h4:after {
    width: 25px;
  }
  .footer-item {
    gap: 10px;
    margin-bottom: 16px;
  }
  .footer-item i {
    font-size: 1.1rem;
    width: 18px;
  }
  .footer-item p {
    font-size: 0.88rem;
  }
  .footer-menu li a {
    font-size: 0.9rem;
  }
  .footer-social-icons {
    gap: 10px;
  }
  .footer-social-link {
    width: 45px;
    height: 45px;
    font-size: 1.2rem;
  }
  .footer-tagline {
    font-size: 0.9rem;
  }
}

/* Mobile - Small (600px) */
@media (max-width: 600px) {
  body {
    padding-top: 55px;
  }
  .main-nav {
    height: 55px;
    padding: 0 12px;
  }
  .main-nav .logo {
    font-size: 1rem;
  }
  .nav-menu {
    top: 55px;
    height: auto;
    width: 100%;
    right: -100%;
  }
  .sidebar-social {
    display: none;
  }
  .social-icon {
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }
  .banner-slider {
    min-height: 250px;
  }
  .banner-prev,
  .banner-next {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  .hero-section {
    padding: 40px 12px;
  }
  .hero-title {
    font-size: 1.5rem;
  }
  .hero-desc {
    font-size: 0.9rem;
  }
  .hotline-box {
    padding: 12px 16px;
    font-size: 0.85rem;
  }
  .section {
    padding: 20px 12px;
  }
  .section-title {
    margin-bottom: 20px;
  }
  .section-title h2 {
    font-size: 1.4rem;
    line-height: 1.3;
  }
  .intro-flex-row {
    gap: 20px;
  }
  .intro-title-block {
    font-size: 1.2rem;
  }
  .intro-desc-block {
    font-size: 0.9rem;
    line-height: 1.5;
  }
  .intro-thumbnails-overlay {
    bottom: -25px;
    width: 90%;
  }
  .intro-thumb-img {
    width: 75px;
    height: 75px;
  }
  .intro-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
  .reasons-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .reason-card {
    padding: 30px 20px 24px;
  }
  .reason-icon {
    width: 70px;
    height: 70px;
    top: -35px;
    font-size: 1.6rem;
  }
  .reason-card h3 {
    font-size: 1rem;
    margin-top: 12px;
  }
  .reason-card p {
    font-size: 0.85rem;
    line-height: 1.5;
  }
  .courses-cards,
  .documents-cards,
  .testimonials-cards,
  .news-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .course-card,
  .document-card,
  .testimonial-card,
  .news-card {
    padding: 16px;
  }
  .course-icon,
  .document-icon {
    width: 50px;
    height: 50px;
    font-size: 1.4rem;
  }
  .album-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .album-main {
    height: auto;
    max-height: 250px;
  }
  .album-side {
    height: 150px;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 32px 0;
  }

  .footer-wrapper {
    padding: 0 20px;
  }

  .footer-col {
    text-align: left;
  }
  .footer-col h4 {
    font-size: 1rem;
    text-align: left;
  }
  .footer-col h4:after {
    left: 0;
    transform: none;
    width: 40px;
  }
  .footer-item {
    justify-content: flex-start;
    text-align: left;
    margin-bottom: 14px;
    gap: 10px;
  }
  .footer-item i {
    width: 18px;
    min-width: 18px;
    font-size: 1.1rem;
  }
  .footer-brand {
    align-items: flex-start;
  }
  .footer-logo {
    justify-content: flex-start;
  }
  .footer-tagline {
    text-align: left;
    font-size: 0.85rem;
    margin-top: 8px;
  }
  .footer-menu {
    text-align: left;
  }
  .footer-menu li {
    margin-bottom: 10px;
  }
  .footer-menu li a {
    font-size: 0.85rem;
    padding-left: 0 !important;
    justify-content: flex-start;
  }
  .footer-social-icons {
    justify-content: flex-start;
    gap: 8px;
  }
  .footer-social-link {
    width: 40px;
    height: 40px;
    font-size: 1.1rem;
  }
  .footer-col p {
    font-size: 0.8rem;
  }
  .social-icon {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }
}

/* Mobile - Extra Small (480px) */
@media (max-width: 480px) {
  body {
    padding-top: 50px;
  }
  .main-nav {
    height: 50px;
    padding: 0 8px;
  }
  .main-nav .logo {
    font-size: 0.9rem;
    gap: 4px;
  }
  .main-nav .logo i {
    font-size: 1.3rem;
  }
  .nav-menu {
    top: 50px;
    height: auto;
    width: 100%;
    right: -100%;
  }
  .sidebar-social {
    display: none;
  }
  .social-icon {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
  .banner-slider {
    min-height: 220px;
  }
  .banner-prev,
  .banner-next {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  .hero-section {
    padding: 30px 10px;
  }
  .hero-title {
    font-size: 1.3rem;
  }
  .hero-desc {
    font-size: 0.85rem;
  }
  .hero-car {
    max-width: 200px;
  }
  .hotline-box {
    padding: 10px 12px;
    font-size: 0.8rem;
  }
  .section {
    padding: 18px 10px;
  }
  .section-title h2 {
    font-size: 1.2rem;
  }
  .section-title h2:after,
  .section-title h2:before {
    width: 20px;
  }
  .intro-left {
    display: none;
  }
  .intro-right {
    text-align: center;
  }
  .intro-title-block {
    font-size: 1.1rem;
  }
  .intro-desc-block {
    font-size: 0.8rem;
  }
  .intro-btn {
    padding: 8px 16px;
    font-size: 0.85rem;
  }
  .reason-card {
    padding: 25px 15px 20px;
  }
  .reason-icon {
    width: 60px;
    height: 60px;
    top: -30px;
    font-size: 1.4rem;
  }
  .reason-card h3 {
    font-size: 0.95rem;
  }
  .reason-card p {
    font-size: 0.8rem;
  }
  .course-card,
  .document-card,
  .testimonial-card,
  .news-card {
    padding: 12px;
  }
  .course-title,
  .document-title,
  .news-title {
    font-size: 0.95rem;
  }
  .course-desc,
  .document-desc,
  .news-desc {
    font-size: 0.8rem;
  }
  .album-main {
    max-height: 200px;
  }
  .album-side {
    height: 120px;
  }
  .footer-col h4 {
    font-size: 0.9rem;
  }
  .footer-col h4:after {
    width: 15px;
  }
  .footer-top {
    gap: 20px;
    padding: 24px 0 20px 0;
  }

  .footer-wrapper {
    padding: 0 16px;
  }

  .footer-brand h3 {
    font-size: 1.3rem;
    margin-top: 6px;
  }
  .footer-logo {
    gap: 8px;
  }
  .footer-icon {
    font-size: 2rem;
  }
  .footer-tagline {
    font-size: 0.75rem;
    margin-top: 6px;
  }
  .footer-label {
    font-size: 0.8rem;
  }
  .footer-item i {
    font-size: 1rem;
  }
  .footer-item p {
    font-size: 0.75rem;
  }
  .footer-menu li a {
    font-size: 0.8rem;
  }
  .footer-social-link {
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }
  .footer-copyright {
    font-size: 0.9rem;
  }
  .footer-credit {
    font-size: 0.8rem;
  }
}