/* AI Sharc — main.css (no framework, no JS) */
@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/poppins-regular-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/poppins-regular-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/poppins-medium-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/poppins-medium-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/poppins-extrabold-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Poppins';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/poppins-extrabold-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
:root{--navy:#123B63;--steel:#2E6FA3;--teal:#00D4C8;--ink:#1c2b3a;--paper:#ffffff;--mist:#f4f7fa;--line:#d9e2ec;}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:var(--paper);}
h1,h2,h3,h4{font-weight:800;line-height:1.15;color:var(--navy);letter-spacing:-0.01em;}
h1{font-size:2.4rem;}h2{font-size:1.7rem;}h3{font-size:1.2rem;}
p{margin:0 0 1em;}
a{color:var(--steel);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;}
a:hover{color:var(--navy);}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px;}
.skip{position:absolute;left:-9999px;}
.skip:focus{left:8px;top:8px;background:var(--teal);color:var(--navy);padding:8px 14px;border-radius:6px;z-index:99;font-weight:500;}
/* header */
.site-header{background:var(--navy);color:#fff;}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;}
.brand strong{font-weight:800;font-size:1.25rem;letter-spacing:0.01em;}
.brand .dot{color:var(--teal);}
.nav{display:flex;flex-wrap:wrap;gap:4px;}
.nav a{color:#dce8f4;text-decoration:none;font-size:0.92rem;font-weight:500;padding:8px 10px;border-radius:6px;}
.nav a:hover{color:#fff;background:rgba(255,255,255,0.08);}
.nav a[aria-current="page"]{color:var(--teal);}
/* buttons */
.btn{display:inline-block;font-weight:500;font-size:1rem;padding:12px 22px;border-radius:8px;text-decoration:none;border:2px solid transparent;}
.btn-teal{background:var(--teal);color:var(--navy);}
.btn-teal:hover{background:#33e0d6;color:var(--navy);}
.btn-ghost{border-color:rgba(255,255,255,0.55);color:#fff;}
.btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,0.06);}
.btn-outline{border-color:var(--steel);color:var(--steel);background:#fff;}
.btn-outline:hover{background:var(--navy);border-color:var(--navy);color:#fff;}
/* hero + sections */
.hero{background:var(--navy);color:#dce8f4;padding:72px 0 64px;}
.hero h1{color:#fff;font-size:2.7rem;max-width:17ch;}
.hero p.lead{font-size:1.15rem;max-width:52ch;margin:16px 0 28px;color:#c7d8e8;}
.hero .accent{color:var(--teal);}
section{padding:56px 0;}
.alt{background:var(--mist);}
.grid{display:grid;gap:20px;}
.g3{grid-template-columns:repeat(3,1fr);}
.g2{grid-template-columns:repeat(2,1fr);}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;}
.card h3{margin-bottom:8px;}
.card p{margin-bottom:0;color:#43566b;font-size:0.97rem;}
.card .price{font-size:2rem;font-weight:800;color:var(--navy);margin:6px 0 2px;}
.card .price small{font-size:0.95rem;font-weight:500;color:#5b7186;}
.tick{list-style:none;margin:0 0 1em;}
.tick li{padding-left:26px;position:relative;margin-bottom:8px;}
.tick li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:3px solid var(--teal);border-bottom:3px solid var(--teal);transform:rotate(-45deg);}
.badge{display:inline-block;background:var(--mist);border:1px solid var(--line);color:var(--steel);font-size:0.8rem;font-weight:500;padding:3px 10px;border-radius:99px;margin-bottom:10px;}
.grade{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:10px;font-weight:800;font-size:1.5rem;color:#fff;margin-bottom:10px;}
.g-a{background:#1e9e6a;} .g-b{background:#2E6FA3;} .g-c{background:#c98a1b;} .g-d{background:#c05a2a;} .g-f{background:#b3362c;}
/* grade cards on sample page */
.report-card{border:2px solid var(--navy);border-radius:14px;padding:24px;max-width:560px;background:#fff;margin-bottom:32px;}
.report-card .rc-head{display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:14px;}
.report-card .rc-head .grade{margin-bottom:0;}
.rc-find{border-left:4px solid var(--line);padding:8px 14px;margin-bottom:10px;background:var(--mist);border-radius:0 8px 8px 0;}
.rc-find h4{font-size:0.98rem;margin-bottom:2px;}
.rc-find p{font-size:0.92rem;margin:0;color:#43566b;}
.rc-src{font-size:0.8rem;color:#5b7186;}
.disclaimer{font-size:0.85rem;color:#5b7186;background:var(--mist);border:1px dashed var(--line);border-radius:8px;padding:12px 16px;}
/* FAQ */
details{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:12px;padding:0;}
details summary{cursor:pointer;font-weight:500;color:var(--navy);padding:14px 18px;list-style:none;position:relative;padding-right:44px;}
details summary::-webkit-details-marker{display:none;}
details summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--teal);font-weight:800;}
details[open] summary::after{content:"–";}
details .a{padding:0 18px 16px;color:#43566b;}
/* forms (appearance only; no JS) */
.form{max-width:520px;}
.form label{display:block;font-weight:500;margin:14px 0 6px;color:var(--navy);}
.form input[type=url],.form input[type=email],.form input[type=text]{width:100%;padding:12px 14px;border:2px solid var(--line);border-radius:8px;font:inherit;font-size:1rem;color:var(--ink);background:#fff;}
.form input:focus{outline:3px solid var(--teal);outline-offset:1px;border-color:var(--steel);}
.hp{position:absolute;left:-9999px;}
.note{font-size:0.9rem;color:#5b7186;}
/* footer */
.site-footer{background:var(--navy);color:#b9cddf;padding:44px 0 28px;font-size:0.9rem;}
.site-footer .cols{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between;margin-bottom:28px;}
.site-footer h4{color:#fff;font-size:0.95rem;margin-bottom:8px;}
.site-footer a{color:#dce8f4;}
.site-footer a:hover{color:var(--teal);}
.site-footer ul{list-style:none;}
.site-footer li{margin-bottom:6px;}
.legal{border-top:1px solid rgba(255,255,255,0.15);padding-top:18px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;}
.legal address{font-style:normal;}
.tag{color:var(--teal);font-weight:500;}
@media(max-width:800px){.g3{grid-template-columns:1fr;}.g2{grid-template-columns:1fr;}.hero h1{font-size:2rem;}h1{font-size:1.9rem;}h2{font-size:1.45rem;}.site-header .wrap{padding-top:10px;padding-bottom:10px;}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}