/* =========================
   Global Reset
========================= */

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


body {

    font-family:
    Inter,
    Arial,
    Helvetica,
    sans-serif;

    color: #1f2937;

    background: #f8fafc;

    line-height: 1.7;

    font-size: 18px;

}



.container {

    width: min(1100px, 92%);

    margin: auto;

}





/* =========================
   Header
========================= */


.site-header {

    background: white;

    border-bottom: 1px solid #e5e7eb;

    padding: 20px 0;

}



.site-header .container {

    display:flex;

    justify-content:space-between;

    align-items:center;

}



.logo {

    font-size:1.6rem;

    font-weight:800;

    text-decoration:none;

    color:#2563eb;

}



nav a {

    text-decoration:none;

    margin-left:30px;

    color:#374151;

    font-weight:600;

    font-size:1.05rem;

}


nav a:hover {

    color:#2563eb;

}





/* =========================
   Hero
========================= */


.hero {

    padding:85px 0;

    text-align:center;

    background:
    linear-gradient(
    135deg,
    #eff6ff,
    #ffffff
    );

}



.hero h1 {

    font-size:clamp(2.5rem,6vw,4rem);

    line-height:1.15;

    margin-bottom:25px;

    color:#111827;

    font-weight:800;

}



.hero p {

    max-width:800px;

    margin:auto;

    font-size:1.35rem;

    line-height:1.8;

    color:#4b5563;

}






/* =========================
   Calculator Section
========================= */


.calculator-section {

    padding:70px 0;

}



.calculator-card {

    max-width:600px;

    margin:auto;

    background:white;

    padding:45px;

    border-radius:20px;

    box-shadow:
    0 20px 50px rgba(0,0,0,.08);

}



.calculator-card h2 {

    text-align:center;

    margin-bottom:35px;

    font-size:2rem;

    color:#111827;

}





.form-group {

    margin-bottom:25px;

}



.form-group label {

    display:block;

    margin-bottom:10px;

    font-weight:700;

    font-size:1.15rem;

}



input,
select {

    width:100%;

    padding:16px;

    border-radius:12px;

    border:1px solid #d1d5db;

    font-size:1.15rem;

    background:white;

}



input:focus,
select:focus {

    outline:none;

    border-color:#2563eb;

    box-shadow:
    0 0 0 3px rgba(37,99,235,.15);

}




button {

    width:100%;

    padding:18px;

    border:none;

    border-radius:12px;

    background:#2563eb;

    color:white;

    font-size:1.15rem;

    font-weight:800;

    cursor:pointer;

    transition:.2s;

}



button:hover {

    background:#1d4ed8;

    transform:translateY(-2px);

}




.hidden {

    display:none;

}





/* =========================
   Results
========================= */


.results {

    margin-top:35px;

    padding:30px;

    background:#eff6ff;

    border-radius:15px;

}



.results h3 {

    margin-bottom:20px;

    font-size:1.5rem;

}



.results p {

    margin-bottom:14px;

    font-size:1.15rem;

}



.results strong {

    color:#1d4ed8;

}





/* =========================
   SEO Content
========================= */


.content-section {

    background:white;

    padding:80px 0;

}



.content-section h2 {

    margin-top:40px;

    margin-bottom:18px;

    font-size:2.2rem;

    line-height:1.3;

    color:#111827;

}



.content-section p,
.content-section li {

    font-size:1.15rem;

}



.content-section p {

    margin-bottom:25px;

    color:#4b5563;

}



.content-section ul {

    padding-left:30px;

}



.content-section li {

    margin-bottom:12px;

}





/* =========================
   CTA
========================= */


.cta {

    padding:70px 0;

    text-align:center;

    background:#2563eb;

    color:white;

}



.cta h2 {

    font-size:2.3rem;

    margin-bottom:18px;

}



.cta p {

    font-size:1.2rem;

    margin-bottom:30px;

}



.cta a {

    display:inline-block;

    padding:16px 35px;

    background:white;

    color:#2563eb;

    border-radius:12px;

    font-size:1.1rem;

    font-weight:800;

    text-decoration:none;

}





/* =========================
   FAQ
========================= */


.faq {

    padding:80px 0;

}



.faq h2 {

    text-align:center;

    margin-bottom:45px;

    font-size:2.2rem;

}



.faq h3 {

    margin-top:30px;

    margin-bottom:12px;

    font-size:1.35rem;

}



.faq p {

    font-size:1.15rem;

    color:#4b5563;

}





/* =========================
   Footer
========================= */


footer {

    padding:30px;

    text-align:center;

    background:#111827;

    color:white;

    font-size:1rem;

}






/* =========================
   Mobile
========================= */


@media(max-width:700px){


body {

    font-size:16px;

}



.site-header .container {

    flex-direction:column;

    gap:18px;

}



nav a {

    margin:0 10px;

}



.hero {

    padding:55px 0;

}



.hero h1 {

    font-size:2.2rem;

}



.hero p {

    font-size:1.1rem;

}



.calculator-card {

    padding:28px;

}



.calculator-card h2 {

    font-size:1.6rem;

}



input,
select {

    font-size:1rem;

}



.content-section {

    padding:50px 0;

}



.content-section h2 {

    font-size:1.7rem;

}



.content-section p,
.content-section li {

    font-size:1rem;

}



.cta h2 {

    font-size:1.8rem;

}



}

/* =========================
   Extended SEO Content
========================= */


.content-section h3 {

    margin-top:35px;

    margin-bottom:12px;

    font-size:1.45rem;

    line-height:1.4;

    color:#1f2937;

}



.content-section h3::before {

    content:"";

    display:inline-block;

    width:6px;

    height:26px;

    background:#2563eb;

    border-radius:5px;

    margin-right:12px;

    vertical-align:middle;

}



.content-section strong {

    color:#111827;

}



.content-section blockquote {

    margin:30px 0;

    padding:25px;

    background:#eff6ff;

    border-left:5px solid #2563eb;

    border-radius:10px;

    font-size:1.15rem;

}



.content-section .seo-highlight {

    background:#f8fafc;

    padding:30px;

    border-radius:16px;

    margin:35px 0;

    border:1px solid #e5e7eb;

}





/* SEO Feature Cards */

.seo-tools-grid {

    display:grid;

    grid-template-columns:
    repeat(3,1fr);

    gap:25px;

    margin-top:40px;

}



.seo-tool-card {

    background:white;

    padding:30px;

    border-radius:16px;

    box-shadow:
    0 10px 30px rgba(0,0,0,.06);

    border:1px solid #e5e7eb;

}



.seo-tool-card h3 {

    margin-top:0;

    font-size:1.35rem;

}



.seo-tool-card p {

    font-size:1.05rem;

    margin-bottom:0;

}





/* How It Works Section */


.how-it-works {

    margin-top:50px;

}



.how-it-works ol {

    padding-left:30px;

}



.how-it-works li {

    margin-bottom:15px;

    font-size:1.15rem;

}





/* Keyword FAQ Styling */


.faq h3 {

    padding-bottom:8px;

    border-bottom:1px solid #e5e7eb;

}





/* Mobile */

@media(max-width:700px){


.content-section h3 {

    font-size:1.25rem;

}



.content-section h3::before {

    height:22px;

    width:5px;

}



.seo-tools-grid {

    grid-template-columns:1fr;

}



.seo-tool-card {

    padding:22px;

}


}