:root {
    --primary: #6C5CE7;
    --primary-dark: #5A4BCE;
    --primary-light: rgba(108, 92, 231, 0.15);
    --secondary: #00CEC9;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #d63031;
    --bg-color: #F8F9FE;
    --text-color: #2d3436;
    --text-muted: #636e72;
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --card-bg: #ffffff;
    --input-bg: #ffffff;
    --input-border: #dfe6e9;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Source Sans Pro', sans-serif;
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body.dark-mode {
    --bg-color: #0A0B1E;
    --text-color: #f1f2f6;
    --text-muted: #a4b0be;
    --glass-bg: rgba(25, 26, 47, 0.65);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --card-bg: #1e1e2d;
    --input-bg: #1e1e2d;
    --input-border: #2f3542;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-color);
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at top right, rgba(108, 92, 231, 0.08), transparent 50%),
        radial-gradient(circle at bottom left, rgba(0, 206, 201, 0.08), transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; }

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary); }

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: var(--border-radius);
}

/* ===== NAVBAR ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 15px 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.navbar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    text-decoration: none;
}
.nav-links a:hover { color: var(--primary); }

.nav-toggle {
    display: none;
    border: none;
    background: transparent;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

#theme-toggle-home {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 2px solid var(--input-border);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}
#theme-toggle-home:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

/* ===== HERO ===== */
.hero {
    text-align: center;
    padding: 100px 20px 80px;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    animation: fadeInDown 0.6s ease;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -2px;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease 0.1s both;
}

/* Hero Search */
.hero-search {
    display: flex;
    gap: 0;
    max-width: 650px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 2px solid var(--input-border);
    border-radius: 60px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(108, 92, 231, 0.12);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 10px 50px rgba(108, 92, 231, 0.25);
    transform: translateY(-2px);
}

.hero-search input {
    flex: 1;
    padding: 22px 30px;
    border: none;
    background: transparent;
    font-size: 1.2rem;
    color: var(--text-color);
    font-family: var(--font-body);
    outline: none;
}
.hero-search input::placeholder { color: var(--text-muted); opacity: 0.6; }

.hero-search button {
    padding: 18px 40px;
    margin: 6px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.hero-search button:hover {
    background: linear-gradient(135deg, var(--primary-dark), #4834b5);
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

.hero-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 18px;
    animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-error {
    color: var(--danger);
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 12px;
    display: none;
    animation: shake 0.4s ease;
}

/* ===== TRUST BAR ===== */
.trust-bar {
    max-width: 1000px;
    margin: 0 auto 60px;
    padding: 30px 40px;
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.trust-item i {
    font-size: 1.4rem;
    color: var(--primary);
}
.trust-item span {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-color);
}

/* ===== SECTIONS ===== */
.section {
    max-width: 1200px;
    margin: 0 auto 80px;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.section-header p {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
}

.step-card {
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}
.step-card:hover { transform: translateY(-8px); }

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.step-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.step-card p { color: var(--text-muted); line-height: 1.6; }

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.feature-card {
    padding: 35px 25px;
    text-align: center;
    transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); }

.feature-icon {
    width: 65px;
    height: 65px;
    border-radius: 16px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.6rem;
    color: var(--primary);
    transition: var(--transition);
}
.feature-card:hover .feature-icon {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    transform: scale(1.1);
}

.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; }

/* Showcase Grid */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.showcase-card {
    padding: 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}
.showcase-card:hover { transform: translateY(-4px); }

.showcase-domain {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}
.showcase-price {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--primary);
}
.showcase-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 3px;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 25px;
    cursor: pointer;
    font-weight: 700;
    font-size: 1.05rem;
    font-family: var(--font-heading);
    color: var(--text-color);
    transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }

.faq-question i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    color: var(--text-muted);
}
.faq-item.open .faq-question i { transform: rotate(180deg); color: var(--primary); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 25px;
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 1rem;
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 25px 22px;
}

/* SEO Content */
.seo-content {
    padding: 50px;
    line-height: 1.85;
}

.seo-content h2 {
    font-size: 1.6rem;
    color: var(--primary);
    margin: 30px 0 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
}
.seo-content h2:first-child { margin-top: 0; }
.seo-content p { margin-bottom: 15px; font-size: 1.05rem; }
.seo-content ul { margin: 10px 0 20px 25px; }
.seo-content li { margin-bottom: 8px; }

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 70px 30px;
    margin-bottom: 60px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.08), rgba(0, 206, 201, 0.08));
    border: 2px solid var(--primary-light);
}

.cta-section h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}
.cta-section p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 30px;
}

.cta-search {
    display: flex;
    gap: 0;
    max-width: 550px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 2px solid var(--input-border);
    border-radius: 60px;
    overflow: hidden;
    transition: var(--transition);
}
.cta-search:focus-within {
    border-color: var(--primary);
    box-shadow: 0 5px 30px rgba(108, 92, 231, 0.2);
}

.cta-search input {
    flex: 1;
    padding: 16px 25px;
    border: none;
    background: transparent;
    font-size: 1.05rem;
    color: var(--text-color);
    font-family: var(--font-body);
    outline: none;
}

.cta-search button {
    padding: 14px 30px;
    margin: 5px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}
.cta-search button:hover {
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--input-border);
    color: var(--text-muted);
    max-width: 1200px;
    margin: 0 auto;
}
.footer-links {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 15px;
    flex-wrap: wrap;
}
.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--primary); }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(25px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card-bg);
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid var(--input-border);
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }
    .nav-toggle { display: block; }
    .hero h1 { font-size: 2.4rem; letter-spacing: -1px; }
    .hero-subtitle { font-size: 1.05rem; }
    .hero-search {
        flex-direction: column;
        border-radius: var(--border-radius);
    }
    .hero-search input { padding: 18px 20px; }
    .hero-search button {
        margin: 0 6px 6px;
        padding: 16px;
        border-radius: 12px;
        justify-content: center;
    }
    .steps-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .trust-bar { gap: 25px; padding: 20px; }
    .section-header h2 { font-size: 1.8rem; }
    .seo-content { padding: 25px; }
    .cta-search {
        flex-direction: column;
        border-radius: var(--border-radius);
    }
    .cta-search button {
        margin: 0 5px 5px;
        border-radius: 12px;
    }
}