/* style.css */
:root {
  --teal: #84DCC6;
  --peach: #FFB7B2;
  --lavender: #CDB4DB;
  --white: #F9FBFB;
  --text-dark: #2C3E50;
  --text-light: #5F6A75;
  --blob-radius-1: 40% 60% 70% 30% / 40% 50% 60% 50%;
  --blob-radius-2: 60% 40% 30% 70% / 50% 60% 40% 50%;
  --blob-radius-3: 50% 50% 70% 30% / 30% 60% 40% 70%;
}

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

body {
  font-family: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

a { text-decoration: none; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: rgba(249, 251, 251, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.logo {
  display: flex;
  align-items: center;
}

nav a {
  margin-left: 2rem;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s;
}

nav a:hover { color: var(--teal); }

section {
  padding: 6rem 5%;
  position: relative;
}

.hero {
  text-align: center;
  padding: 10rem 5% 8rem;
  background: linear-gradient(135deg, rgba(132, 220, 198, 0.3), rgba(205, 180, 219, 0.3));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%; left: -10%;
  width: 500px; height: 500px;
  background: var(--teal);
  opacity: 0.1;
  border-radius: var(--blob-radius-1);
  z-index: -1;
  animation: morph 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%; right: -10%;
  width: 400px; height: 400px;
  background: var(--peach);
  opacity: 0.1;
  border-radius: var(--blob-radius-2);
  z-index: -1;
  animation: morph 10s ease-in-out infinite alternate-reverse;
}

@keyframes morph {
  0% { border-radius: var(--blob-radius-1); transform: rotate(0deg); }
  100% { border-radius: var(--blob-radius-2); transform: rotate(10deg); }
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  font-weight: 800;
}

.hero p {
  font-size: 1.3rem;
  color: var(--text-light);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-inline: auto;
}

.cta-group {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.btn-primary {
  background-color: var(--teal);
  color: #fff;
}
.btn-primary:hover { background-color: #6bc4ae; transform: translateY(-3px); box-shadow: 0 8px 25px rgba(132, 220, 198, 0.4); }

.btn-secondary {
  background-color: var(--peach);
  color: #fff;
}
.btn-secondary:hover { background-color: #f2a6a1; transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255, 183, 178, 0.4); }

.btn-dofollow {
  background-color: #fff;
  color: var(--text-dark);
  border: 2px solid var(--lavender);
}
.btn-dofollow:hover { background-color: var(--lavender); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 25px rgba(205, 180, 219, 0.4); }

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 4rem;
  color: var(--text-dark);
  position: relative;
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--lavender);
  border-radius: 10px;
  opacity: 0.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: #fff;
  padding: 3rem 2rem;
  border-radius: var(--blob-radius-1);
  box-shadow: 0 15px 35px rgba(0,0,0,0.03);
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
}

.card::before {
  content: '';
  position: absolute;
  top: -10%; left: -10%;
  width: 120%; height: 120%;
  background: radial-gradient(circle, rgba(132,220,198,0.05) 0%, rgba(255,255,255,0) 70%);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.card:hover {
  border-radius: var(--blob-radius-2);
  transform: translateY(-10px);
}
.card:hover::before { opacity: 1; }

.card svg {
  width: 80px;
  height: 80px;
  margin-bottom: 1.5rem;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.card p {
  color: var(--text-light);
}

.price-card {
  border-radius: var(--blob-radius-3);
  border: 2px solid transparent;
}
.price-card.featured {
  background: linear-gradient(180deg, #fff 0%, rgba(255,183,178,0.1) 100%);
  border-color: var(--peach);
}

.price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--teal);
  margin: 1.5rem 0;
}
.price span { font-size: 1rem; color: var(--text-light); font-weight: normal; }

.features-list { list-style: none; margin-bottom: 2rem; text-align: left; display: inline-block; }
.features-list li { margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.5rem; }
.features-list li::before {
  content: '';
  display: inline-block;
  width: 16px; height: 16px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%2384DCC6"><path d="M12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10-4.477 10-10 10zm-1.177-7.86l7.07-7.071-1.414-1.414-5.656 5.657-2.829-2.829-1.414 1.414 4.243 4.243z"/></svg>');
}

.faq-item {
  background: #fff;
  border-radius: 20px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 5px 15px rgba(0,0,0,0.02);
}
.faq-item h4 { font-size: 1.2rem; color: var(--text-dark); margin-bottom: 0.5rem; }

.wave-divider {
  width: 100%;
  overflow: hidden;
  line-height: 0;
}
.wave-divider svg { display: block; width: calc(100% + 1.3px); height: 150px; }

footer {
  background: var(--text-dark);
  color: #fff;
  padding: 4rem 5% 2rem;
  text-align: center;
}

.footer-links { margin-bottom: 2rem; display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
.footer-links a { color: var(--lavender); transition: color 0.3s; }
.footer-links a:hover { color: var(--teal); }

.page-container {
  max-width: 800px;
  margin: 5rem auto;
  padding: 3rem;
  background: #fff;
  border-radius: var(--blob-radius-1);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}
.page-container h1 { color: var(--teal); margin-bottom: 2rem; font-size: 2.5rem; text-align: center; }
.page-container h2 { color: var(--text-dark); margin: 2rem 0 1rem; }
.page-container p { margin-bottom: 1.5rem; color: var(--text-light); }
.page-container ul { margin-left: 2rem; margin-bottom: 1.5rem; color: var(--text-light); }
.page-container li { margin-bottom: 0.5rem; }

@media (max-width: 768px) {
  header { flex-direction: column; gap: 1rem; padding: 1rem; }
  nav a { margin: 0 0.5rem; font-size: 0.9rem; }
  .hero h1 { font-size: 2.5rem; }
  .section-title { font-size: 2rem; }
  .grid { grid-template-columns: 1fr; }
  .page-container { margin: 2rem 5%; padding: 2rem 1.5rem; border-radius: 20px; }
}

/* Article Content Link Styles */
.article-content a {
    color: #6a5acd !important;
    text-decoration: underline;
    font-weight: bold;
}
.article-content a:visited {
    color: #6a5acd !important;
}
.article-content a:hover {
    opacity: 0.8;
}

/* Force CTA Button Styling in Nav */
.nav-cta {
    background-color: #6a5acd !important;
    color: #fff !important;
    padding: 8px 20px !important;
    border-radius: 4px !important;
    font-weight: bold !important;
    text-decoration: none !important;
    display: inline-block !important;
    transition: transform 0.2s, opacity 0.2s !important;
}
.nav-cta:hover {
    transform: translateY(-2px) !important;
    opacity: 0.9 !important;
}

/* Article Content Typography & Spacing */
.article-content h2 {
    margin-top: 2.5em !important;
    margin-bottom: 1em !important;
    line-height: 1.4 !important;
}
.article-content h3 {
    margin-top: 2em !important;
    margin-bottom: 0.8em !important;
    line-height: 1.4 !important;
}
.article-content p {
    margin-bottom: 1.5em !important;
}
.article-content ul, .article-content ol {
    margin-bottom: 1.5em !important;
    padding-left: 2em !important;
}
.article-content li {
    margin-bottom: 0.5em !important;
}

/* Mobile Hamburger Menu Fix */
.menu-toggle, .menu-hamburger {
    display: none;
}

@media (max-width: 768px) {
    .menu-hamburger {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        cursor: pointer;
        z-index: 10000;
        margin-left: auto; /* Push to the right */
    }
    .menu-hamburger span {
        display: block;
        height: 3px;
        width: 100%;
        background-color: #333;
        border-radius: 3px;
        transition: all 0.3s ease;
    }
    
    .nav-links, nav {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-top: 1px solid rgba(128,128,128,0.2);
    }
    
    .menu-toggle:checked ~ .nav-links, .menu-toggle:checked ~ nav {
        display: flex !important;
    }
    
    .nav-links a, nav a {
        margin: 10px 0 !important;
        font-size: 16px !important;
    }
    
    /* Hamburger animation */
    .menu-toggle:checked + .menu-hamburger span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .menu-toggle:checked + .menu-hamburger span:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle:checked + .menu-hamburger span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}