/*-----------------------------------*\
  #main.css
\*-----------------------------------*/
/**
 * copyright 2022 codewithsadee
 */
/**
 * TABLE OF CONTENT
 *
 * COMPONENTS
 * Btn............................Buttons style
 * Slider.........................Slider style
 * Card...........................Cards style
 *
 * MAIN CONTENT
 * Header.........................Modify header style
 * Hero...........................Hero styles
 * Client.........................Client style
 * About..........................About style
 * Skills.........................Skills style
 * Cta............................Cta style
 * Testimonials...................Testimonials style
 * Media queries..................Responsive for all devices
 */
/*-----------------------------------*\
  #COMPONENTS
\*-----------------------------------*/
@import url("./components/btn.css");
@import url("./components/slider.css");
@import url("./components/card.css");
/*-----------------------------------*\
  #HEADER
\*-----------------------------------*/
/* Header 样式优化 */
.header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}
.header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header .logo img {
  height: 35px;
  transition: transform 0.3s ease;
}
.header .logo:hover img {
  transform: scale(1.05);
}
/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 70px;
  left: 0;
  width: 100%;
  height: 0;
  background: var(--white);
  overflow: hidden;
  transition: height 0.3s ease;
}
.navbar.active {
  height: auto;
  box-shadow: var(--shadow-md);
}
.navbar-list {
  padding: 1rem;
  display: flex;
  gap: 1rem;
}
/* 移动端样式 */
@media (max-width: 991px) {
  .navbar {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--white);
    overflow: hidden;
  }
  .navbar.active {
    height: auto;
  }
  .navbar-list {
    flex-direction: column;
    gap: 0;
  }
  .navbar-item {
    width: 100%;
  }
  .navbar-link {
    padding: 0.75rem;
    width: 100%;
    text-align: center;
    border-radius: 0;
    color: var(--text-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
  }
  .navbar-link::after {
    display: none;
  }
  .navbar-link:hover,
  .navbar-link.active {
    background-color: var(--accent-color);
    color: var(--white);
  }
  .nav-toggle-btn {
    display: block;
    font-size: 1.8rem;
    color: var(--text-primary);
    cursor: pointer;
  }
}
/* 桌面端样式 */
@media (min-width: 992px) {
  .navbar {
    position: static;
    height: auto;
    background: transparent;
    overflow: visible;
    width: auto;
  }
  .navbar-list {
    padding: 0;
    flex-direction: row;
    gap: 1.5rem;
  }
  .nav-toggle-btn {
    display: none;
  }
  .navbar-link {
    position: relative;
    color: var(--text-primary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
  }
  .navbar-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
  }
  .navbar-link:hover::after,
  .navbar-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
  }
  .navbar-link:hover,
  .navbar-link.active {
    color: var(--accent-color);
  }
}
/*-----------------------------------*\
  #HERO
\*-----------------------------------*/
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--background-light) 0%, var(--white) 100%);
  padding: 8rem 0 4rem;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: radial-gradient(circle at 50% 50%, rgba(52, 152, 219, 0.1) 0%, transparent 50%);
  z-index: 0;
}
.hero .container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.hero-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  animation: fadeInUp 1s ease;
}
.hero-subtitle {
  color: var(--accent-color);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}
.hero-subtitle::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-color) 0%, transparent 100%);
}
.headline-lg {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-weight: 700;
}
.hero-text {
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}
.hero .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--white);
  background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
}
.hero .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.3);
}
.hero-banner {
  max-width: 100%;
  margin: 0 auto;
  position: relative;
}
.hero-banner img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  transition: all 0.5s ease;
  animation: floatAnimation 3s ease-in-out infinite;
}
/*-----------------------------------*\
  #CTA
\*-----------------------------------*/
.cta {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255,255,255,0.1) 0%, transparent 70%);
}
.cta .container {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}
.cta .title-lg {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.3;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.cta .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--white);
  background: transparent;
  border: 2px solid var(--white);
  border-radius: 50px;
  transition: all 0.3s ease;
}
.cta .btn:hover {
  background: var(--white);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
/*-----------------------------------*\
  #FOOTER
\*-----------------------------------*/
.footer {
  background: var(--primary-color);
  padding: 1.5rem 0;
  position: relative;
}
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255,255,255,0.2) 50%, 
    transparent 100%
  );
}
.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.social-list {
  display: flex;
  gap: 1rem;
}
.social-link {
  color: var(--white);
  font-size: 1.5rem;
  transition: all 0.3s ease;
  opacity: 0.8;
}
.social-link:hover {
  color: var(--accent-color);
  opacity: 1;
  transform: translateY(-2px);
}
.footer .text-center {
  color: var(--white);
  opacity: 0.8;
}
.footer .text-center a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s ease;
}
.footer .text-center a:hover {
  opacity: 1;
}
/*-----------------------------------*\
  #MEDIA QUERIES
\*-----------------------------------*/
@media (min-width: 992px) {
  .hero .container {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .hero-content {
    text-align: left;
    margin: 0;
  }
  .hero .btn {
    margin: 0;
  }
}
/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 10px;
  margin-right: 20px;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border-prussian-blue);
  color: var(--text-columbia-blue);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: var(--fs-7);
  cursor: pointer;
  transition: all 0.3s ease;
}

.lang-btn:hover,
.lang-btn.active {
  background: var(--bg-carolina-blue);
  border-color: var(--bg-carolina-blue);
  color: var(--text-white);
}

@media (max-width: 768px) {
  .lang-switcher {
    margin-right: 50px;
  }
  
  .lang-btn {
    padding: 4px 8px;
    font-size: var(--fs-8);
  }
}