@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("https://vutruso.com/wp-content/themes/vutruso/fonts/google-fonts/montserrat-v15-vietnamese_latin-regular.woff2")
    format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD, U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169,
    U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("https://vutruso.com/wp-content/themes/vutruso/fonts/google-fonts/montserrat-v15-vietnamese_latin-600.woff2")
    format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD, U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169,
    U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
}

:root {
  /* Colors from Vũ Trụ Số brand */
  --primary-dark: #035077;
  --primary-blue: #0c455c;
  --accent-blue: #0c49c4;
  --light-blue: #88edfe;
  --success-green: #65bc54;
  --text-primary: #1c2d3b;
  --text-secondary: #595959;
  --text-light: #666;
  --background-light: #f6f7f9;
  --background-gray: #f7f7f7;
  --background-section: #f8f8f8;

  /* Shadows from original site */
  --shadow-card: 0 15px 30px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 24px rgba(86, 221, 243, 0.59);
  --shadow-light: 0 2px 3px rgb(21 30 41 / 10%), 0 0 0 1px rgb(21 30 41 / 10%);

  --border-radius: 8px;
  --border-radius-lg: 10px;
}

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

body {
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--background-gray);
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 15px;
}

.slide {
  background: #fff;
  margin: 15px 0;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  page-break-after: always;
  position: relative;
  overflow: hidden;
}

.slide-content {
  padding: 30px 30px;
  position: relative;
  z-index: 2;
}

/* Hero Section - Based on original hero-chuyenhost */
.hero-section {
  background-color: var(--primary-dark);
  color: white;
  position: relative;
  padding: 3rem 3rem;
  overflow: hidden;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    /* overlay màu đen mờ */
      url(https://vutruso.com/wp-content/uploads/2022/05/vu-tru-so.jpg);
  background-size: auto 96vw;
  background-repeat: no-repeat;
  background-position: left -71vw bottom -22rem;
  opacity: 1;
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.375;
  margin-bottom: 2.5%;
  color: white;
}

.hero-text .subtitle {
  font-size: 1.1rem;
  line-height: 29px;
  margin-bottom: 3%;
}

.hero-text p {
  line-height: 29px;
  padding: 10px 0;
  color: white;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

/* Buttons - Original style */
.btn-custom {
  background-image: linear-gradient(
    to left top,
    #017bda,
    #9f6bd0,
    #e15aa8,
    #fd5f71,
    #f37f3a
  );
  color: #fff;
  position: relative;
  display: inline-block;
  font-weight: 500;
  text-align: center;
  text-transform: capitalize;
  height: 48px;
  line-height: 48px;
  border: none;
  outline: none;
  border-radius: 48px;
  padding: 0 20px;
  margin-right: 15px;
  margin-bottom: 15px;
  box-shadow: 0 10px 15px 0 rgba(56, 0, 189, 0.2);
  transition: 1.2s cubic-bezier(0.17, 0.85, 0.438, 0.99);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
}

.btn-custom::before {
  background: rgba(255, 255, 255, 0.2);
  content: "";
  display: block;
  position: absolute;
  top: -10%;
  right: -130px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  transition: 1.2s cubic-bezier(0.17, 0.85, 0.438, 0.99);
}

.btn-custom:hover {
  color: #fff;
  text-decoration: none;
}

.btn-custom:hover::before {
  top: -10%;
  right: -80px;
}

.btn-custom2 {
  background-image: linear-gradient(to left, #017bda 0, #2196f3 100%);
}

.icon-angle-right-effect {
  margin-left: 5px;
  animation: 2s infinite ArrowAnimation;
  position: relative;
  top: -2px;
}

@keyframes ArrowAnimation {
  0%,
  100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(5px);
  }
}

/* Typography */
h1,
h2 {
  color: var(--primary-blue);
  font-weight: 700;
}

h2 {
  font-size: 1.8em;
  line-height: 1.25em;
  margin: 0 0 40px;
  position: relative;
  padding-bottom: 15px;
}

h2::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--accent-blue);
  border-radius: 2px;
  text-align: center;
}

.stats-section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--accent-blue);
  border-radius: 2px;
}

h3 {
  font-size: 2.8em;
  font-weight: 100;
  text-transform: uppercase;
  line-height: 1.2em;
  color: var(--primary-blue);
  margin: 0 0 40px;
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

/* Stats Section */
.stats-section {
  background: var(--text-primary);
  color: white;
  text-align: center;
  padding: 40px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-top: 30px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  padding: 30px 20px;
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.15);
}

.stat-number {
  font-size: 3em;
  font-weight: 700;
  color: var(--light-blue);
  display: block;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1em;
  color: white;
}

/* Service Grid - Based on cta_panel_module */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(434px, 1fr));
  gap: 5px;
  margin: 40px 0;
  margin-bottom: 0;
}

.service-card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
  overflow: hidden;
  position: relative;
}

.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.service-card-wrapper {
  display: flex;
  min-height: 245px;
  position: relative;
}

.service-image {
  background: #fff;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 60%;
  padding: 30px;
  width: 25%;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--accent-blue);
}

.service-body {
  flex: 1;
  padding: 30px 25px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.service-body h4 {
  font-weight: 700;
  font-size: 1.4em;
  line-height: 1.2em;
  color: var(--primary-blue);
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.service-card:hover h4 {
  color: #61e2f7;
}

.service-content p {
  font-size: 1.1em;
  line-height: 1.5em;
  color: var(--text-light);
  margin-bottom: 20px;
}

.service-action {
  position: relative;
  padding: 16px 20px 18px;
  transition: all 0.2s ease;
  align-self: flex-end;
  border-radius: 28px;
  background: transparent;
  border: none;
  cursor: pointer;
}

.service-action span {
  color: var(--primary-blue);
  position: relative;
  font-size: 17px;
  line-height: 1;
  font-weight: 700;
  vertical-align: middle;
}

.service-action:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  border-radius: 28px;
  background: var(--light-blue);
  width: 49px;
  height: 49px;
  transition: all 0.3s ease;
}

.service-card:hover .service-action::before {
  width: 100%;
  background: var(--light-blue);
}

/* Free Services */
.free-services .service-card {
  background: linear-gradient(
    135deg,
    rgba(101, 188, 84, 0.1),
    rgba(168, 230, 207, 0.1)
  );
  border: 2px solid rgba(101, 188, 84, 0.3);
}

.free-services .service-image {
  color: var(--success-green);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin: 40px 0;
}

.project-card {
  background: #fff;
  padding: 35px 10px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.125);
}

.project-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.project-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
  color: var(--accent-blue);
}

.project-icon svg {
  width: 80px;
  height: 80px;
  stroke: var(--accent-blue);
}

.project-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.project-desc {
  font-size: 1rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* Quality Section - Based on circle-bg */
.quality-section {
  background: url(https://vutruso.com/wp-content/themes/vutruso/img/dich-vu/bottom-circle.png)
    105% 190% no-repeat;
  background-color: rgba(195, 205, 225, 0.08);
  padding: 60px 40px;
}

.quality-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  align-items: center;
}

.quality-text h2 {
  font-size: 28px;
  border-bottom: 2px solid var(--accent-blue);
  padding-bottom: 8px;
  display: inline-block;
  margin-bottom: 20px;
}

.quality-text p {
  font-size: 16px;
  line-height: 27px;
  margin-bottom: 30px;
}

/* CTA Button - Based on btnAnimated */
.cta-btn {
  background: var(--accent-blue);
  color: #fff;
  border-radius: 100px;
  font-size: 15px;
  text-transform: uppercase;
  line-height: 49px;
  padding: 0 20px 0 45px;
  display: inline-block;
  position: relative;
  text-decoration: none;
  transition: all 0.3s ease-in-out;
  border: none;
  cursor: pointer;
}

.cta-btn:before {
  position: absolute;
  display: block;
  content: "";
  width: 20px;
  height: 20px;
  top: 13px;
  left: 19px;
  border-radius: 50%;
  box-shadow: 0 0 0 0 #fff;
  transition: all 0.5s ease-in-out 0.2s;
}

.cta-btn:after {
  position: absolute;
  display: block;
  content: "";
  width: 22px;
  height: 22px;
  top: 13px;
  left: 18px;
  border-radius: 50%;
  box-shadow: inset 0 0 0 6px #fff;
}

.cta-btn:hover {
  background: #110f0f;
  color: #fff;
  text-decoration: none;
}

.cta-btn:hover:before {
  box-shadow: 0 0 0 30px rgba(0, 0, 0, 0);
}

.quality-cards {
  display: grid;
  gap: 15px;
  grid-template-columns: 1fr 1fr;
}

.quality-card {
  background: #fff;
  padding: 20px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: all 0.3s ease;
}

.quality-card:hover {
  transform: translateY(-5px);
}

.quality-card img {
  width: 72px;
  height: 72px;
  margin-bottom: 20px;
}

.quality-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 15px;
}

.quality-card p {
  font-size: 15px;
  line-height: 21px;
  color: var(--text-light);
}

/* Contact Section - Professional and beautiful */
.contact-section {
  background: linear-gradient(135deg, var(--text-primary) 0%, #34495e 100%);
  color: white;
  padding: 5rem 2rem 2rem;
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(102, 126, 234, 0.1) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 70% 80%,
      rgba(240, 147, 251, 0.1) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.contact-container {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.contact-header {
  text-align: center;
  margin-bottom: 60px;
}

.contact-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
  position: relative;
  display: inline-block;
}

.contact-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--light-blue), var(--success-green));
  border-radius: 2px;
}

.contact-subtitle {
  font-size: 1.3rem;
  color: #ecf0f1;
  margin-bottom: 30px;
  line-height: 1.6;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.contact-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(389px, 1fr));
  gap: 30px;
  margin: 50px 0;
}

.contact-feature {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  padding: 40px 30px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.contact-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.6s;
}

.contact-feature:hover::before {
  left: 100%;
}

.contact-feature:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border-color: rgba(136, 237, 254, 0.5);
}

.contact-feature i {
  font-size: 3rem;
  margin-bottom: 25px;
  display: block;
  background: linear-gradient(45deg, var(--light-blue), var(--success-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  z-index: 2;
}

.contact-feature h4 {
  font-size: 1.4rem;
  font-weight: 600;
  color: white;
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
}

.contact-feature p {
  color: #bdc3c7;
  line-height: 1.6;
  font-size: 1rem;
  position: relative;
  z-index: 2;
}

.contact-cta {
  text-align: center;
  margin-top: 60px;
}

.contact-main-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 30px 0;
  padding: 15px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.contact-main-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    45deg,
    rgba(136, 237, 254, 0.1) 0%,
    rgba(101, 188, 84, 0.1) 50%,
    rgba(12, 73, 196, 0.1) 100%
  );
  z-index: 1;
}

.contact-main-title > * {
  position: relative;
  z-index: 2;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 25px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.contact-btn {
  background: linear-gradient(135deg, var(--success-green), #4caf50);
  color: #fff;
  padding: 0 2.5rem;
  min-width: 280px;
  display: inline-block;
  font-size: 1.4rem;
  border-radius: 60px;
  line-height: 65px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 30px rgba(101, 188, 84, 0.3);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
}

.contact-btn::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 0.6s;
}

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

.contact-btn i {
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  padding-right: 15px;
  margin-right: 15px;
  font-size: 1.2rem;
}

.contact-btn:hover {
  box-shadow: 0 12px 40px rgba(101, 188, 84, 0.4);
  color: #fff;
  text-decoration: none;
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.3);
}

.contact-btn.secondary {
  background: linear-gradient(135deg, var(--accent-blue), #2196f3);
  box-shadow: 0 8px 30px rgba(12, 73, 196, 0.3);
}

.contact-btn.secondary:hover {
  box-shadow: 0 12px 40px rgba(12, 73, 196, 0.4);
}

.contact-quote {
  font-style: italic;
  font-size: 1.2rem;
  margin-top: 40px;
  padding: 30px;
  border-left: 4px solid var(--light-blue);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 0 15px 15px 0;
  backdrop-filter: blur(10px);
  position: relative;
  color: #fff;
}


/* Responsive Design */
@media (max-width: 768px) {
  h2 {
    font-size: 1.3em;
    line-height: 1.25em;
    margin-bottom: 15px;
  }
  .quality-card {
    padding: 10px;
  }
  .quality-card h4 {
    font-size: 14px;
  }
  .projects-grid {
    gap: 8px;
  }
  .quality-cards {
    gap: 8px;
  }
  .projects-grid {
    margin-bottom: 15px;
  }

  .contact-cta {
    margin-top: 10px;
  }

  .hero-section {
    padding: 2rem 1.5rem 4rem;
  }
  .hero-text h1 {
    font-size: 1.5rem;
  }
  .hero-text p {
    text-align: justify;
  }
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .service-card-wrapper {
    flex-direction: column;
    min-height: auto;
  }

  .service-image {
    width: 100%;
    padding: 20px;
    margin: 0 auto;
  }
  .service-action {
    align-self: flex-start;
  }

  .service-body {
    text-align: center;
    padding: 15px;
  }
  .service-action {
    align-self: center;
  }
  .quality-content {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-features {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0;
  }

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

  .contact-subtitle {
    font-size: 1.1rem;
  }

  .contact-buttons {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }

  .contact-btn {
    min-width: 100%;
    max-width: 320px;
    font-size: 1.2rem;
    line-height: 55px;
    padding: 0 1.5rem;
  }

  .contact-main-title {
    font-size: 1.4rem;
    padding: 25px;
  }

  .contact-quote {
    font-size: 1rem;
    padding: 20px;
  }

  .contact-btn {
    width: 240px;
    font-size: 1.2rem;
    line-height: 60px;
  }

  .slide-content {
    padding: 20px 15px;
    padding-bottom: 0;
    padding-bottom: 0;
  }
  .quality-section {
    padding: 30px 20px;
  }

  .quality-text h2 {
    font-size: 21px;
  }
  .project-card {
    padding: 15px 15px;
  }
}

@media (max-width: 480px) {
  .contact-title {
    font-size: 1.6rem;
  }

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

  .contact-main-title {
    font-size: 1.2rem;
    padding: 20px;
  }

  .contact-quote {
    font-size: 0.95rem;
    padding: 15px;
  }

  .contact-btn {
    width: 100%;
    max-width: 280px;
    font-size: 0.9rem;
    line-height: 50px;
  }

  .contact-features {
    gap: 15px;
  }

  .contact-feature {
    padding: 30px 20px;
  }

  .contact-feature i {
    font-size: 2.5rem;
    margin-bottom: 20px;
  }
}

/* Print Styles */
@media print {
  body {
    background: white !important;
  }

  .slide {
    box-shadow: none;
    margin: 0;
    page-break-after: always;
  }

  .floating-nav {
    display: none;
  }

  .hero-section::before {
    display: none;
  }
}

/* Animation for elements on scroll */
.service-card,
.project-card,
.quality-card {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.6s ease;
}

.service-card:hover,
.project-card:hover,
.quality-card:hover {
  transform: translateY(-5px);
}