/* HWDC Steel — site styles (no build step) */
:root{
  --steel:#23282d; --steel-2:#2e353b; --steel-3:#3a424a; --ink:#1b1f23; --text:#3b434b; --muted:#6b747d;
  --line:#e2e5e8; --bg:#f4f5f6; --white:#fff; --orange:#f07d1a; --orange-d:#d46a0f;
  --radius:10px; --max:1180px; --shadow:0 6px 24px rgba(20,24,28,.08);
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--white);line-height:1.65;font-size:16.5px}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.2rem)}
h2{font-size:clamp(1.55rem,2.8vw,2.2rem)}
h3{font-size:1.18rem}
p{margin:0 0 1em}
.container{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px;top:0;background:var(--orange);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:10px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--steel);border-bottom:3px solid var(--orange)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:.01em}
.brand:hover{text-decoration:none}
.brand img{width:40px;height:40px;border-radius:6px}
.brand small{display:block;font-size:.68rem;font-weight:500;color:#aeb6be;letter-spacing:.08em;text-transform:uppercase}
.menu{display:flex;gap:4px;list-style:none;margin:0;padding:0;align-items:center}
.menu a{color:#d9dee3;padding:8px 11px;border-radius:6px;font-size:.93rem;font-weight:500}
.menu a:hover,.menu a[aria-current=page]{color:#fff;background:var(--steel-3);text-decoration:none}
.menu a.btn{color:#fff;background:var(--orange);margin-left:6px}
.menu a.btn:hover{background:var(--orange-d)}
.nav-toggle{display:none;background:none;border:1px solid #59626b;color:#fff;border-radius:6px;padding:7px 11px;font-size:1rem;cursor:pointer}
@media (max-width:980px){
  .nav-toggle{display:block}
  .menu{display:none;position:absolute;top:71px;left:0;right:0;background:var(--steel);flex-direction:column;align-items:stretch;padding:10px 16px 18px;gap:2px;border-bottom:3px solid var(--orange)}
  .menu.open{display:flex}
  .menu a{padding:12px 10px}
  .menu a.btn{margin:8px 0 0;text-align:center}
}

/* buttons */
.btn{display:inline-block;background:var(--orange);color:#fff;font-weight:600;padding:13px 22px;border-radius:8px;border:0;cursor:pointer;font-size:1rem;font-family:inherit;transition:background .15s}
.btn:hover{background:var(--orange-d);text-decoration:none}
.btn.ghost{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.1)}
.btn.dark{background:var(--steel)}
.btn.dark:hover{background:var(--steel-3)}
.btn.wa{background:#1f9d55}
.btn.wa:hover{background:#178446}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* hero */
.hero{position:relative;color:#fff;background:var(--steel) center/cover no-repeat;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(23,27,31,.94) 0%,rgba(23,27,31,.82) 45%,rgba(23,27,31,.45) 100%)}
.hero .container{position:relative;padding-top:110px;padding-bottom:110px}
.hero h1{color:#fff;max-width:760px}
.hero .lead{font-size:1.18rem;color:#d7dce1;max-width:640px;margin-bottom:28px}
.eyebrow{display:inline-block;color:var(--orange);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";display:inline-block;width:26px;height:3px;background:var(--orange);vertical-align:middle;margin-right:10px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding:0;list-style:none}
.hero-chips li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:6px 13px;border-radius:999px;font-size:.88rem;color:#e6e9ec}
.page-hero .container{padding-top:72px;padding-bottom:72px}
.page-hero h1{font-size:clamp(1.9rem,3.8vw,2.7rem)}

/* sections */
section{padding:84px 0}
.section-alt{background:var(--bg)}
.section-dark{background:var(--steel);color:#c9d0d6}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{color:var(--muted);font-size:1.07rem}
.section-dark .section-head p{color:#aeb6be}
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr} section{padding:60px 0}}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split.rev>:first-child{order:2}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:30px}.split.rev>:first-child{order:0}}

/* cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%;background:#dfe3e6}
.card .body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.card .body p{color:var(--muted);font-size:.97rem}
.card .more{margin-top:auto;font-weight:600}
.feature{padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.section-dark .feature{background:var(--steel-2);border-color:#3d454d}
.feature .num{font-size:2rem;font-weight:800;color:var(--orange);line-height:1;margin-bottom:10px}
.feature p{font-size:.96rem;margin:0}
.icon{width:44px;height:44px;border-radius:9px;background:rgba(240,125,26,.12);color:var(--orange);display:grid;place-items:center;margin-bottom:14px}
.icon svg{width:24px;height:24px}
.photo{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#dfe3e6}
.photo img{width:100%}
figure{margin:0}
figcaption{font-size:.84rem;color:var(--muted);padding:9px 2px 0}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:#fff3e8;color:var(--orange-d);padding:3px 9px;border-radius:4px;margin-bottom:10px}
.ticks{list-style:none;padding:0;margin:0 0 1.2em}
.ticks li{position:relative;padding-left:30px;margin-bottom:10px}
.ticks li::before{content:"";position:absolute;left:0;top:.42em;width:16px;height:16px;border-radius:50%;background:var(--orange) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.3l2.6 2.5L12 5.6' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.note{border-left:4px solid var(--orange);background:#fff8f1;padding:18px 22px;border-radius:0 var(--radius) var(--radius) 0;color:var(--text)}
.note strong{color:var(--ink)}
.section-dark .note{background:var(--steel-2);color:#d2d8dd}
.section-dark .note strong{color:#fff}

/* process steps */
.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(5,1fr)}
@media (max-width:1000px){.steps{grid-template-columns:1fr}}
.step{background:#fff;border:1px solid var(--line);border-top:4px solid var(--orange);border-radius:var(--radius);padding:22px}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-weight:800;font-size:1.6rem;color:var(--orange);margin-bottom:8px}
.step p{font-size:.95rem;color:var(--muted);margin:0}

/* table */
.spec{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;font-size:.97rem}
.spec th{background:var(--steel);color:#fff;font-weight:600}
.spec tr:last-child td{border-bottom:0}
.spec td:first-child{font-weight:600;color:var(--ink);white-space:nowrap}
@media (max-width:640px){.spec td:first-child{white-space:normal}}
.table-wrap{overflow-x:auto}

/* faq */
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:12px}
summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none;position:relative;padding-right:26px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:0;top:-2px;font-size:1.4rem;color:var(--orange)}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--muted)}

/* cta band */
.cta{background:linear-gradient(100deg,var(--steel) 0%,var(--steel-3) 100%);color:#fff;padding:64px 0}
.cta .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta h2{color:#fff;margin:0 0 6px}
.cta p{color:#c4cbd2;margin:0}

/* form */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.form .row{grid-template-columns:1fr}.form{padding:22px}}
.field{margin-bottom:16px}
label{display:block;font-weight:600;font-size:.9rem;color:var(--ink);margin-bottom:6px}
label .req{color:var(--orange-d)}
input,select,textarea{width:100%;font:inherit;font-size:.97rem;padding:11px 13px;border:1px solid #cfd4d9;border-radius:7px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(240,125,26,.35);border-color:var(--orange)}
textarea{min-height:140px;resize:vertical}
.hp{position:absolute;left:-5000px}
.form-help{font-size:.85rem;color:var(--muted)}
.form-status{margin-top:14px;font-weight:600}
.form-status.ok{color:#1f7a43}.form-status.err{color:#b4321f}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-list li:last-child{border:0}
.contact-list .icon{flex:none;margin:0}
.contact-list strong{display:block;color:var(--ink)}

/* footer */
.site-footer{background:#171b1f;color:#9aa3ab;padding:56px 0 26px;font-size:.93rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.site-footer a{color:#c9d0d6}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot-bottom{border-top:1px solid #2c3238;margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem}
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:56px;height:56px;border-radius:50%;background:#1f9d55;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.wa-float svg{width:30px;height:30px;fill:#fff}
.muted{color:var(--muted)}
.center{text-align:center}
.mt{margin-top:28px}
.split .photo img{max-height:580px;object-fit:cover}
@media (max-width:900px){.split .photo img{max-height:420px}}
@media (max-width:640px){.hero .container{padding-top:64px;padding-bottom:64px}.page-hero .container{padding-top:48px;padding-bottom:48px}.hero .lead{font-size:1.05rem}}