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

:root{
    --pink:#E1306C;
    --purple:#833AB4;
    --orange:#F77737;
    --blue:#405DE6;
    --gradient:linear-gradient(135deg, #833AB4, #E1306C, #F77737);
    --gradient-hero:linear-gradient(135deg, #d62976, #962fbf, #fa7e1e);
    --text:#1a1a2e;
    --text-secondary:#555;
    --bg:#fff;
    --card-bg:#fff;
    --card-border:#e8e8e8;
    --section-bg:#f8f9fa;
    --radius:12px;
    --radius-sm:8px;
    --shadow:0 2px 12px rgba(0,0,0,0.08);
}

body{
    font-family:'Inter',system-ui,-apple-system,sans-serif;
    color:var(--text);
    background:var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
}

.container{
    max-width:1100px;
    margin:0 auto;
    padding:0 16px;
}

a{color:var(--pink);text-decoration:none}
a:hover{text-decoration:underline}

/* Header */
.header{
    background:var(--bg);
    border-bottom:1px solid var(--card-border);
    position:sticky;
    top:0;
    z-index:100;
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:60px;
}
.logo{
    display:flex;
    align-items:center;
    gap:8px;
    text-decoration:none;
    color:var(--text);
}
.logo-icon{flex-shrink:0}
.logo-text{
    font-size:1.25rem;
    font-weight:800;
    background:var(--gradient);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{
    padding:8px 14px;
    font-size:0.8rem;
    font-weight:600;
    color:var(--text);
    text-decoration:none;
    letter-spacing:0.5px;
    text-transform:uppercase;
    border:none;
    background:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    gap:4px;
}
.nav-link:hover{color:var(--pink);text-decoration:none}
.nav-dropdown{position:relative}
.dropdown-menu{
    display:none;
    position:absolute;
    top:100%;
    right:0;
    background:var(--bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-sm);
    box-shadow:var(--shadow);
    min-width:200px;
    padding:6px 0;
    z-index:200;
}
.dropdown-menu.show{display:block}
.dropdown-item{
    display:block;
    padding:8px 16px;
    font-size:0.875rem;
    color:var(--text);
    text-decoration:none;
}
.dropdown-item:hover{background:var(--section-bg);text-decoration:none}
.mobile-menu-btn{
    display:none;
    background:none;
    border:none;
    cursor:pointer;
    color:var(--text);
}

/* Hero */
.hero{
    background:var(--gradient-hero);
    padding:50px 0 60px;
    text-align:center;
    color:#fff;
}
.hero h1{
    font-size:2.5rem;
    font-weight:800;
    margin-bottom:12px;
}
.hero-subtitle{
    font-size:1.1rem;
    opacity:0.95;
    margin-bottom:32px;
}
.hero-desc{
    font-size:0.9rem;
    opacity:0.85;
    max-width:700px;
    margin:24px auto 0;
    line-height:1.7;
}

/* Tool Tabs */
.tool-tabs{
    display:flex;
    justify-content:center;
    gap:6px;
    margin-bottom:28px;
    flex-wrap:wrap;
}
.tab{
    display:inline-flex;
    align-items:center;
    gap:5px;
    padding:8px 18px;
    border-radius:30px;
    font-size:0.85rem;
    font-weight:600;
    color:rgba(255,255,255,0.85);
    text-decoration:none;
    background:rgba(255,255,255,0.15);
    backdrop-filter:blur(4px);
    transition:all 0.2s;
}
.tab:hover{background:rgba(255,255,255,0.25);text-decoration:none;color:#fff}
.tab.active{background:rgba(255,255,255,0.3);color:#fff}

/* Download Form */
.download-form{
    max-width:680px;
    margin:0 auto;
}
.input-group{
    display:flex;
    align-items:center;
    background:#fff;
    border-radius:50px;
    padding:5px;
    box-shadow:0 4px 20px rgba(0,0,0,0.15);
}
.url-input{
    flex:1;
    border:none;
    outline:none;
    padding:14px 20px;
    font-size:0.95rem;
    font-family:inherit;
    background:transparent;
    color:#333;
    min-width:0;
}
.url-input::placeholder{color:#999}
.paste-btn{
    display:flex;
    align-items:center;
    gap:6px;
    padding:10px 16px;
    border:1px solid #ddd;
    border-radius:30px;
    background:#fff;
    font-size:0.85rem;
    font-weight:600;
    color:#333;
    cursor:pointer;
    white-space:nowrap;
    transition:all 0.2s;
    margin-right:6px;
}
.paste-btn:hover{border-color:#aaa;background:#f5f5f5}
.download-btn{
    padding:12px 28px;
    border:none;
    border-radius:30px;
    background:#4285f4;
    color:#fff;
    font-size:0.95rem;
    font-weight:700;
    cursor:pointer;
    white-space:nowrap;
    transition:background 0.2s;
}
.download-btn:hover{background:#3367d6}

/* Features Grid */
.features{
    padding:50px 0;
    background:var(--bg);
}
.features-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:16px;
}
.feature-card{
    background:var(--section-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius-sm);
    padding:20px;
}
.feature-label{
    display:block;
    font-size:0.7rem;
    font-weight:700;
    letter-spacing:1px;
    color:var(--pink);
    text-transform:uppercase;
    margin-bottom:6px;
}
.feature-card p{font-size:0.9rem;color:var(--text-secondary);margin:0}

/* Content Sections */
.content-section{
    padding:50px 0;
    background:var(--bg);
}
.content-section h2{
    font-size:1.75rem;
    font-weight:800;
    margin-bottom:12px;
    text-align:center;
}
.content-section>div>p{
    text-align:center;
    color:var(--text-secondary);
    margin-bottom:32px;
    max-width:700px;
    margin-left:auto;
    margin-right:auto;
}

/* Table */
.table-wrap{
    overflow-x:auto;
    margin-top:24px;
}
.content-table{
    width:100%;
    border-collapse:collapse;
    font-size:0.9rem;
}
.content-table th,.content-table td{
    text-align:left;
    padding:12px 16px;
    border-bottom:1px solid var(--card-border);
}
.content-table th{
    font-weight:600;
    background:var(--section-bg);
    font-size:0.8rem;
    text-transform:uppercase;
    letter-spacing:0.5px;
    color:var(--text-secondary);
}

/* Content Type Cards */
.content-types{
    padding:50px 0;
    background:var(--section-bg);
}
.types-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.type-card{
    background:var(--card-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius);
    padding:28px;
    transition:box-shadow 0.2s;
}
.type-card:hover{box-shadow:var(--shadow)}
.type-icon{margin-bottom:16px}
.type-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.type-card p{font-size:0.875rem;color:var(--text-secondary);margin-bottom:14px;line-height:1.6}
.type-link{
    font-size:0.85rem;
    font-weight:600;
    color:var(--blue);
}

/* How To Steps */
.how-to{
    padding:60px 0;
    background:var(--bg);
}
.how-to h2{
    text-align:center;
    font-size:1.75rem;
    font-weight:800;
    margin-bottom:8px;
}
.section-subtitle{
    text-align:center;
    color:var(--text-secondary);
    margin-bottom:40px;
}
.steps{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.step{
    text-align:center;
    padding:24px;
}
.step-number{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:48px;
    height:48px;
    border-radius:50%;
    background:var(--gradient);
    color:#fff;
    font-size:1.25rem;
    font-weight:800;
    margin-bottom:16px;
}
.step h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.step p{font-size:0.875rem;color:var(--text-secondary);line-height:1.6}

/* Devices */
.devices-section{
    padding:50px 0;
    background:var(--section-bg);
}
.devices-section h2{
    text-align:center;
    font-size:1.75rem;
    font-weight:800;
    margin-bottom:32px;
}
.devices-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.device-card{
    background:var(--card-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius);
    padding:24px;
}
.device-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}
.device-card p{font-size:0.875rem;color:var(--text-secondary);line-height:1.6}

/* Limitations */
.limitations{
    padding:50px 0;
    background:var(--bg);
}
.limitations h2{
    text-align:center;
    font-size:1.75rem;
    font-weight:800;
    margin-bottom:32px;
}
.limits-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
.limit-card{
    background:var(--section-bg);
    border:1px solid var(--card-border);
    border-radius:var(--radius);
    padding:24px;
}
.limit-card h4{font-size:1rem;font-weight:700;margin-bottom:8px}
.limit-card p{font-size:0.875rem;color:var(--text-secondary);line-height:1.6}

/* FAQ */
.faq{
    padding:60px 0;
    background:var(--section-bg);
}
.faq h2{
    text-align:center;
    font-size:1.75rem;
    font-weight:800;
    margin-bottom:32px;
}
.faq-list{
    max-width:800px;
    margin:0 auto;
}
.faq-item{
    border:1px solid var(--card-border);
    border-radius:var(--radius-sm);
    margin-bottom:10px;
    background:var(--card-bg);
    overflow:hidden;
}
.faq-item summary{
    padding:16px 20px;
    font-weight:600;
    font-size:0.95rem;
    cursor:pointer;
    list-style:none;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
    content:'+';
    font-size:1.25rem;
    font-weight:300;
    color:var(--text-secondary);
    transition:transform 0.2s;
}
.faq-item[open] summary::after{content:'\2212'}
.faq-item p{
    padding:0 20px 16px;
    font-size:0.9rem;
    color:var(--text-secondary);
    line-height:1.7;
}

/* Footer */
.footer{
    background:#1a1a2e;
    color:rgba(255,255,255,0.7);
    padding:50px 0 0;
}
.footer-inner{
    display:grid;
    grid-template-columns:2fr 1fr 1fr;
    gap:40px;
    padding-bottom:40px;
}
.footer-brand p{font-size:0.85rem;line-height:1.7;margin-top:12px}
.footer-logo{
    font-size:1.2rem;
    font-weight:800;
    color:#fff;
}
.footer-links h4{
    color:#fff;
    font-size:0.85rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:0.5px;
    margin-bottom:14px;
}
.footer-links a{
    display:block;
    color:rgba(255,255,255,0.6);
    font-size:0.85rem;
    padding:4px 0;
    text-decoration:none;
}
.footer-links a:hover{color:#fff;text-decoration:none}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,0.1);
    padding:16px 0;
    text-align:center;
    font-size:0.8rem;
}

/* Mobile */
@media(max-width:768px){
    .nav{
        display:none;
        position:absolute;
        top:60px;
        left:0;
        right:0;
        background:var(--bg);
        flex-direction:column;
        padding:16px;
        border-bottom:1px solid var(--card-border);
        box-shadow:var(--shadow);
    }
    .nav.open{display:flex}
    .mobile-menu-btn{display:block}
    .dropdown-menu{position:static;box-shadow:none;border:none;padding-left:16px}
    .dropdown-menu.show{display:block}

    .hero{padding:36px 0 44px}
    .hero h1{font-size:1.75rem}
    .hero-subtitle{font-size:0.95rem}
    .tool-tabs{gap:4px}
    .tab{padding:6px 12px;font-size:0.78rem}

    .input-group{
        flex-wrap:wrap;
        border-radius:var(--radius);
        padding:8px;
    }
    .url-input{
        width:100%;
        padding:12px 14px;
        border-bottom:1px solid #eee;
    }
    .paste-btn{margin:8px 0;margin-right:auto}
    .download-btn{
        width:100%;
        padding:14px;
        border-radius:var(--radius-sm);
    }

    .features-grid,
    .types-grid,
    .steps,
    .devices-grid,
    .limits-grid{
        grid-template-columns:1fr;
    }

    .footer-inner{
        grid-template-columns:1fr;
        gap:24px;
    }
}

@media(max-width:480px){
    .hero h1{font-size:1.5rem}
    .tab{padding:5px 10px;font-size:0.75rem}
}