/* ─────────────────────────────────────────────────────────────
   Smart Film® — SFI-inspired theme
   Layout/structure adapted from smartfilmsinternational.com,
   rebuilt cleaner with an orange (#ff7801) accent in place of
   their green. Media sourced from media.smarttint.com.
   ───────────────────────────────────────────────────────────── */
:root {
    --sfi-dark:    #141b27;   /* deep charcoal-navy */
    --sfi-dark-2:  #1d2735;
    --sfi-dark-3:  #283549;
    --sfi-accent:  #ff7801;   /* orange accent */
    --sfi-accent-2:#ff944d;
    --sfi-accent-d:#e66a00;
    --sfi-ink:     #15202e;   /* near-black headings on light */
    --sfi-body:    #586577;   /* muted slate body text */
    --sfi-soft:    #f5f7fa;   /* soft section bg */
    --sfi-line:    #e6eaf0;
    --sfi-white:   #ffffff;
    --sfi-radius:  18px;
    --sfi-radius-sm:12px;
    --sfi-shadow:  0 18px 50px rgba(20,27,39,.10);
    --sfi-shadow-lg:0 30px 80px rgba(20,27,39,.18);
    --sfi-head-font:'Plus Jakarta Sans','Inter',system-ui,sans-serif;
}

/* ── Base overrides for SFI pages ─────────────────────────── */
body.sfi { background:var(--sfi-white); color:var(--sfi-body); font-family:'Inter',system-ui,-apple-system,sans-serif; }
.sfi h1,.sfi h2,.sfi h3,.sfi h4,.sfi h5,.sfi h6 { font-family:var(--sfi-head-font); color:var(--sfi-ink); letter-spacing:-.02em; }
.sfi :where(a:not([class])) { color:var(--sfi-accent); }
.sfi :where(a:not([class])):hover { color:var(--sfi-accent-d); }
.sfi-wrap { max-width:1200px; margin:0 auto; padding:0 24px; }

/* ── Eyebrow (— LABEL —) ──────────────────────────────────── */
.sfi-eyebrow {
    display:inline-flex; align-items:center; gap:14px;
    font-size:.8rem; font-weight:700; letter-spacing:.22em; text-transform:uppercase;
    color:var(--sfi-accent); margin:0 0 18px;
}
.sfi-eyebrow::before,.sfi-eyebrow::after { content:""; width:34px; height:2px; background:var(--sfi-accent); border-radius:2px; opacity:.8; }
.sfi-eyebrow.solo::after { display:none; }
.sfi-eyebrow.light { color:var(--sfi-accent-2); }

/* ── Buttons ──────────────────────────────────────────────── */
.sfi-btn {
    display:inline-flex; align-items:center; gap:10px; cursor:pointer;
    font-family:var(--sfi-head-font); font-weight:700; font-size:.95rem; line-height:1;
    padding:16px 26px; border-radius:999px; border:2px solid transparent;
    text-decoration:none; transition:transform .18s ease, box-shadow .18s ease, background .18s, color .18s, border-color .18s;
}
.sfi-btn i,.sfi-btn .arr { transition:transform .18s ease; }
.sfi-btn:hover .arr { transform:translateX(4px); }
.sfi-btn-primary { background:var(--sfi-accent); color:#fff; box-shadow:0 12px 28px rgba(255,120,1,.34); }
.sfi-btn-primary:hover { color:#fff; transform:translateY(-2px); box-shadow:0 18px 40px rgba(255,120,1,.45); background:var(--sfi-accent-d); }
.sfi-btn-ghost { background:transparent; color:#fff; border-color:rgba(255,255,255,.55); }
.sfi-btn-ghost:hover { background:rgba(255,255,255,.12); border-color:#fff; color:#fff; transform:translateY(-2px); }
.sfi-btn-dark { background:var(--sfi-dark); color:#fff; }
.sfi-btn-dark:hover { background:var(--sfi-dark-3); color:#fff; transform:translateY(-2px); }
.sfi-btn-outline { background:transparent; color:var(--sfi-ink); border-color:var(--sfi-line); }
.sfi-btn-outline:hover { border-color:var(--sfi-accent); color:var(--sfi-accent-d); transform:translateY(-2px); }
.sfi-btn-lg { padding:18px 32px; font-size:1rem; }

/* ── Top bar ──────────────────────────────────────────────── */
.sfi-topbar { background:var(--sfi-dark); color:rgba(255,255,255,.82); font-size:.78rem; }
.sfi-topbar .sfi-wrap { display:flex; justify-content:space-between; align-items:center; gap:10px; padding-top:8px; padding-bottom:8px; flex-wrap:wrap; }
.sfi-topbar i { color:var(--sfi-accent-2); }
.sfi-topbar a { color:rgba(255,255,255,.9); text-decoration:none; font-weight:600; }
.sfi-topbar a:hover { color:#fff; }

/* ── Header ───────────────────────────────────────────────── */
.sfi-head { position:sticky; top:0; z-index:300; background:rgba(255,255,255,.92); backdrop-filter:saturate(140%) blur(10px); border-bottom:1px solid var(--sfi-line); }
.sfi-head-inner { display:flex; align-items:center; gap:18px; padding-top:14px; padding-bottom:14px; }
.sfi-logo { display:inline-flex; align-items:center; text-decoration:none; flex-shrink:0; line-height:0; }
.sfi-logo-img { display:block; height:46px; width:auto; max-width:min(210px,44vw); object-fit:contain; border-radius:8px; background:#000; }
.sfi-logo--foot .sfi-logo-img { height:52px; max-width:min(230px,70vw); }
.sfi-nav { display:flex; align-items:center; gap:4px; margin-left:auto; }
.sfi-nav a { font-family:var(--sfi-head-font); font-size:.92rem; font-weight:600; color:var(--sfi-ink); text-decoration:none; padding:9px 14px; border-radius:999px; transition:background .15s,color .15s; }
.sfi-nav a:hover,.sfi-nav a.active { background:var(--sfi-soft); color:var(--sfi-accent-d); }
.sfi-head-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.sfi-head-phone { display:flex; flex-direction:column; align-items:flex-end; text-decoration:none; line-height:1.15; }
.sfi-head-phone span { font-size:.68rem; color:var(--sfi-body); }
.sfi-head-phone b { font-family:var(--sfi-head-font); color:var(--sfi-ink); font-size:.95rem; }
.sfi-head-phone:hover b { color:var(--sfi-accent-d); }
.sfi-burger { display:none; width:44px; height:44px; border-radius:12px; border:1px solid var(--sfi-line); background:var(--sfi-white); color:var(--sfi-ink); cursor:pointer; align-items:center; justify-content:center; font-size:1.1rem; }
.sfi-mobile { display:none; border-top:1px solid var(--sfi-line); background:#fff; }
.sfi-mobile a { display:block; padding:13px 24px; color:var(--sfi-ink); font-weight:600; font-family:var(--sfi-head-font); text-decoration:none; border-bottom:1px solid var(--sfi-soft); }
.sfi-mobile a:hover { background:var(--sfi-soft); color:var(--sfi-accent-d); }
.sfi-mobile .sfi-btn { margin:14px 24px; display:flex; justify-content:center; }

/* ── Hero ─────────────────────────────────────────────────── */
.sfi-hero { position:relative; color:#fff; overflow:hidden; background:var(--sfi-dark); }
.sfi-hero-bg { position:absolute; inset:0; background-size:cover; background-position:center; }
.sfi-hero-bg::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(20,27,39,.78) 0%, rgba(20,27,39,.62) 45%, rgba(20,27,39,.88) 100%); }
.sfi-hero .sfi-wrap { position:relative; z-index:2; padding-top:88px; padding-bottom:96px; text-align:center; }
.sfi-hero .sfi-eyebrow { justify-content:center; }
.sfi-hero h1 { font-size:clamp(2.4rem,6vw,4.4rem); font-weight:800; line-height:1.04; color:#fff; margin:0 0 22px; }
.sfi-hero h1 .accent { color:var(--sfi-accent); }
.sfi-hero-sub { font-size:clamp(1.02rem,1.6vw,1.22rem); color:rgba(255,255,255,.82); max-width:680px; margin:0 auto 34px; line-height:1.6; }
.sfi-hero-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.sfi-hero-media { position:relative; z-index:2; max-width:900px; margin:-56px auto 0; padding:0 24px; }
.sfi-hero-frame { border-radius:var(--sfi-radius); overflow:hidden; box-shadow:var(--sfi-shadow-lg); border:6px solid #fff; background:#000; aspect-ratio:16/9; }
.sfi-hero-frame video,.sfi-hero-frame img { width:100%; height:100%; object-fit:cover; display:block; }

/* ── Trust strip ──────────────────────────────────────────── */
.sfi-strip { background:#fff; border-bottom:1px solid var(--sfi-line); }
.sfi-strip .sfi-wrap { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; padding-top:34px; padding-bottom:34px; }
.sfi-trust { display:flex; align-items:center; gap:14px; }
.sfi-trust-ic { width:48px; height:48px; flex-shrink:0; border-radius:12px; background:rgba(255,120,1,.12); color:var(--sfi-accent); display:grid; place-items:center; font-size:1.3rem; }
.sfi-trust b { display:block; font-family:var(--sfi-head-font); color:var(--sfi-ink); font-size:.98rem; }
.sfi-trust span { font-size:.82rem; color:var(--sfi-body); }

/* ── Sections ─────────────────────────────────────────────── */
.sfi-section { padding:92px 0; }
.sfi-section.soft { background:var(--sfi-soft); }
.sfi-section.dark { background:radial-gradient(1200px 600px at 80% -10%, var(--sfi-dark-3) 0%, var(--sfi-dark) 55%); color:#fff; }
.sfi-section.dark h2,.sfi-section.dark h3 { color:#fff; }
.sfi-shead { text-align:center; max-width:720px; margin:0 auto 56px; }
.sfi-shead.left { text-align:left; margin-left:0; }
.sfi-shead .sfi-eyebrow { justify-content:center; }
.sfi-shead.left .sfi-eyebrow { justify-content:flex-start; }
.sfi-shead h2 { font-size:clamp(1.9rem,3.6vw,2.9rem); font-weight:800; margin:0 0 14px; line-height:1.1; }
.sfi-shead p { font-size:1.05rem; line-height:1.7; margin:0; color:var(--sfi-body); }
.sfi-section.dark .sfi-shead p { color:rgba(255,255,255,.78); }

/* ── About ────────────────────────────────────────────────── */
.sfi-about { display:grid; grid-template-columns:1.05fr .95fr; gap:60px; align-items:center; }
.sfi-about p { font-size:1.04rem; line-height:1.75; margin:0 0 18px; }
.sfi-about-img { position:relative; border-radius:var(--sfi-radius); overflow:hidden; box-shadow:var(--sfi-shadow); aspect-ratio:4/3; }
.sfi-about-img img { width:100%; height:100%; object-fit:cover; display:block; }
.sfi-about-badge { position:absolute; left:22px; bottom:22px; background:#fff; color:var(--sfi-ink); border-radius:14px; padding:16px 20px; box-shadow:var(--sfi-shadow); font-family:var(--sfi-head-font); }
.sfi-about-badge b { display:block; font-size:1.7rem; color:var(--sfi-accent); line-height:1; }
.sfi-about-badge span { font-size:.8rem; color:var(--sfi-body); }

/* ── Card grids ───────────────────────────────────────────── */
.sfi-grid { display:grid; gap:26px; }
.sfi-grid.c3 { grid-template-columns:repeat(3,1fr); }
.sfi-grid.c2 { grid-template-columns:repeat(2,1fr); }
.sfi-grid.c4 { grid-template-columns:repeat(4,1fr); }

/* Product / application "tile" cards */
.sfi-tile {
    position:relative; display:flex; flex-direction:column; justify-content:flex-end;
    min-height:300px; border-radius:var(--sfi-radius); overflow:hidden; text-decoration:none;
    color:#fff; background:var(--sfi-dark); isolation:isolate;
    box-shadow:var(--sfi-shadow); transition:transform .25s ease, box-shadow .25s ease;
}
.sfi-tile:hover { transform:translateY(-6px); box-shadow:var(--sfi-shadow-lg); color:#fff; }
.sfi-tile-bg { position:absolute; inset:0; z-index:-2; background-size:cover; background-position:center; transition:transform .5s ease; }
.sfi-tile:hover .sfi-tile-bg { transform:scale(1.06); }
.sfi-tile::after { content:""; position:absolute; inset:0; z-index:-1; background:radial-gradient(380px 260px at 80% 12%, rgba(255,120,1,.28) 0%, transparent 62%), linear-gradient(180deg, rgba(20,27,39,.20) 0%, rgba(20,27,39,.62) 55%, rgba(20,27,39,.93) 100%); }
.sfi-tile.grad .sfi-tile-bg { background:linear-gradient(150deg, var(--sfi-dark-3) 0%, var(--sfi-dark) 100%); }
.sfi-tile.grad::after { background:radial-gradient(420px 300px at 75% 20%, rgba(255,120,1,.20) 0%, transparent 70%); }
.sfi-tile-ic { position:absolute; top:22px; left:22px; width:52px; height:52px; border-radius:13px; background:rgba(255,255,255,.14); backdrop-filter:blur(6px); display:grid; place-items:center; font-size:1.35rem; color:#fff; border:1px solid rgba(255,255,255,.18); }
.sfi-tile-body { padding:24px 80px 24px 24px; position:relative; z-index:1; }
.sfi-tile h3 { color:#fff; font-size:1.18rem; font-weight:700; margin:0 0 6px; }
.sfi-tile p { color:rgba(255,255,255,.8); font-size:.9rem; margin:0; line-height:1.55; }
.sfi-tile-arr { position:absolute; right:22px; bottom:24px; width:42px; height:42px; border-radius:50%; background:var(--sfi-accent); color:#fff; display:grid; place-items:center; transition:transform .2s ease; }
.sfi-tile:hover .sfi-tile-arr { transform:rotate(-45deg) scale(1.05); }

/* ── Why choose pillars ───────────────────────────────────── */
.sfi-why { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.sfi-pillars { display:grid; gap:18px; }
.sfi-pillar { display:flex; gap:18px; align-items:flex-start; background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.1); border-radius:16px; padding:22px; }
.sfi-pillar-ic { width:52px; height:52px; flex-shrink:0; border-radius:13px; background:var(--sfi-accent); color:#fff; display:grid; place-items:center; font-size:1.3rem; box-shadow:0 8px 20px rgba(255,120,1,.3); }
.sfi-pillar h4 { color:#fff; font-size:1.1rem; margin:0 0 5px; }
.sfi-pillar p { color:rgba(255,255,255,.72); font-size:.92rem; margin:0; line-height:1.55; }

/* ── Project gallery ──────────────────────────────────────── */
.sfi-gal { display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:180px; gap:16px; }
.sfi-gal-item { position:relative; border-radius:var(--sfi-radius-sm); overflow:hidden; background:var(--sfi-soft); box-shadow:var(--sfi-shadow); }
.sfi-gal-item img { width:100%; height:100%; object-fit:cover; display:block; transition:transform .5s ease; }
.sfi-gal-item:hover img { transform:scale(1.07); }
.sfi-gal-item.tall { grid-row:span 2; }
.sfi-gal-item.wide { grid-column:span 2; }
.sfi-gal-tag { position:absolute; left:12px; bottom:12px; background:rgba(20,27,39,.78); color:#fff; font-size:.72rem; font-weight:600; padding:5px 12px; border-radius:999px; backdrop-filter:blur(4px); }

/* ── Partner cards ────────────────────────────────────────── */
.sfi-partner { background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); padding:34px 30px; box-shadow:var(--sfi-shadow); transition:transform .2s ease, box-shadow .2s ease; display:flex; flex-direction:column; }
.sfi-partner:hover { transform:translateY(-6px); box-shadow:var(--sfi-shadow-lg); }
.sfi-partner-ic { width:60px; height:60px; border-radius:16px; background:var(--sfi-dark); color:var(--sfi-accent-2); display:grid; place-items:center; font-size:1.5rem; margin-bottom:20px; }
.sfi-partner h4 { font-size:1.22rem; margin:0 0 12px; }
.sfi-partner p { font-size:.95rem; line-height:1.65; margin:0 0 22px; flex:1; }
.sfi-partner-link { font-family:var(--sfi-head-font); font-weight:700; color:var(--sfi-accent-d); text-decoration:none; display:inline-flex; align-items:center; gap:8px; }
.sfi-partner-link .arr { transition:transform .18s; }
.sfi-partner:hover .sfi-partner-link .arr { transform:translateX(4px); }

/* ── Blog cards ───────────────────────────────────────────── */
.sfi-blog { background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); overflow:hidden; box-shadow:var(--sfi-shadow); transition:transform .2s ease, box-shadow .2s ease; text-decoration:none; display:flex; flex-direction:column; }
.sfi-blog:hover { transform:translateY(-6px); box-shadow:var(--sfi-shadow-lg); }
.sfi-blog-img { aspect-ratio:16/10; overflow:hidden; background:var(--sfi-soft); }
.sfi-blog-img img { width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.sfi-blog:hover .sfi-blog-img img { transform:scale(1.06); }
.sfi-blog-body { padding:24px; }
.sfi-blog-tag { font-size:.74rem; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--sfi-accent-d); }
.sfi-blog h4 { font-size:1.12rem; margin:8px 0 0; color:var(--sfi-ink); line-height:1.35; }

/* ── Lets talk CTA ────────────────────────────────────────── */
.sfi-talk { position:relative; overflow:hidden; background:radial-gradient(1000px 500px at 20% 120%, var(--sfi-dark-3) 0%, var(--sfi-dark) 60%); color:#fff; border-radius:28px; padding:64px 48px; text-align:center; }
.sfi-talk::before { content:""; position:absolute; inset:0; background:radial-gradient(500px 300px at 80% 10%, rgba(255,120,1,.22) 0%, transparent 70%); }
.sfi-talk > * { position:relative; z-index:1; }
.sfi-talk h2 { color:#fff; font-size:clamp(1.9rem,4vw,2.9rem); margin:0 0 14px; }
.sfi-talk p { color:rgba(255,255,255,.82); font-size:1.08rem; max-width:560px; margin:0 auto 30px; }
.sfi-talk-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ── Newsletter inline ────────────────────────────────────── */
.sfi-news { display:flex; gap:10px; max-width:440px; }
.sfi-news input { flex:1; border:1px solid var(--sfi-line); background:#fff; border-radius:999px; padding:13px 20px; font-size:.92rem; color:var(--sfi-ink); }
.sfi-news input:focus { outline:none; border-color:var(--sfi-accent); }

/* ── Footer ───────────────────────────────────────────────── */
.sfi-foot { background:var(--sfi-dark); color:rgba(255,255,255,.66); }
.sfi-foot a { color:rgba(255,255,255,.72); text-decoration:none; }
.sfi-foot a:hover { color:var(--sfi-accent-2); }
.sfi-foot-top { display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr 1fr; gap:40px; padding-top:70px; padding-bottom:50px; }
.sfi-foot-tag { font-size:.92rem; line-height:1.65; margin:16px 0 20px; max-width:320px; }
.sfi-foot-news { margin-bottom:18px; }
.sfi-foot-news .sfi-news input { background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.16); color:#fff; }
.sfi-foot-news .sfi-news input::placeholder { color:rgba(255,255,255,.5); }
.sfi-foot-h { color:#fff; font-family:var(--sfi-head-font); font-weight:700; font-size:1rem; margin:0 0 16px; }
.sfi-foot-list { list-style:none; padding:0; margin:0; }
.sfi-foot-list li { margin-bottom:10px; font-size:.92rem; }
.sfi-social { display:flex; gap:10px; margin-top:4px; }
.sfi-social a { width:40px; height:40px; border-radius:10px; background:rgba(255,255,255,.08); display:grid; place-items:center; color:#fff; font-size:1rem; transition:background .15s; }
.sfi-social a:hover { background:var(--sfi-accent); color:#fff; }
.sfi-foot-bottom { border-top:1px solid rgba(255,255,255,.12); padding:22px 0; display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; font-size:.82rem; color:rgba(255,255,255,.5); }
.sfi-foot-bottom a { color:rgba(255,255,255,.6); }

/* ═══════════════════════════════════════════════════════════
   Inner page components (products / applications / blog)
   ═══════════════════════════════════════════════════════════ */

/* ── Page hero (compact) ──────────────────────────────────── */
.sfi-phero { position:relative; color:#fff; background:var(--sfi-dark) center/cover no-repeat; overflow:hidden; }
.sfi-phero::before { content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(20,27,39,.82) 0%, rgba(20,27,39,.7) 50%, rgba(20,27,39,.9) 100%); }
.sfi-phero::after { content:""; position:absolute; inset:0; background:radial-gradient(700px 360px at 82% -10%, rgba(255,120,1,.22) 0%, transparent 65%); }
.sfi-phero .sfi-wrap { position:relative; z-index:2; padding-top:64px; padding-bottom:72px; text-align:center; }
.sfi-phero h1 { color:#fff; font-size:clamp(2rem,4.6vw,3.4rem); font-weight:800; line-height:1.08; margin:0 0 18px; }
.sfi-phero h1 .accent { color:var(--sfi-accent); }
.sfi-phero .sfi-eyebrow { justify-content:center; }
.sfi-phero-sub { color:rgba(255,255,255,.84); font-size:clamp(1.02rem,1.5vw,1.18rem); line-height:1.65; max-width:680px; margin:0 auto 26px; }
.sfi-phero-meta { color:rgba(255,255,255,.66); font-size:.9rem; display:flex; gap:18px; justify-content:center; flex-wrap:wrap; }
.sfi-phero-meta b { color:#fff; font-weight:600; }
.sfi-phero .sfi-hero-actions { margin-top:6px; }

/* ── Breadcrumb ───────────────────────────────────────────── */
.sfi-crumb { display:flex; align-items:center; gap:10px; justify-content:center; font-size:.82rem; margin:0 0 18px; flex-wrap:wrap; }
.sfi-crumb a { color:rgba(255,255,255,.7); text-decoration:none; font-weight:600; }
.sfi-crumb a:hover { color:var(--sfi-accent-2); }
.sfi-crumb span { color:rgba(255,255,255,.55); }
.sfi-crumb i { color:rgba(255,255,255,.4); font-size:.72rem; }

/* ── Split text + image ───────────────────────────────────── */
.sfi-split { display:grid; grid-template-columns:1.02fr .98fr; gap:60px; align-items:center; }
.sfi-split.flip .sfi-split-txt { order:2; }
.sfi-split-txt h2 { font-size:clamp(1.7rem,3.2vw,2.5rem); font-weight:800; margin:0 0 18px; line-height:1.12; }
.sfi-split-txt p { font-size:1.04rem; line-height:1.75; margin:0 0 16px; color:var(--sfi-body); }
.sfi-section.dark .sfi-split-txt p { color:rgba(255,255,255,.8); }
.sfi-split-txt .sfi-btn { margin-top:10px; }
.sfi-split-img { position:relative; border-radius:var(--sfi-radius); overflow:hidden; box-shadow:var(--sfi-shadow); aspect-ratio:4/3; }
.sfi-split-img img { width:100%; height:100%; object-fit:cover; display:block; }

/* ── Checklist ────────────────────────────────────────────── */
.sfi-check { list-style:none; padding:0; margin:6px 0 26px; display:grid; gap:13px; }
.sfi-check li { display:flex; gap:13px; align-items:flex-start; font-size:1rem; line-height:1.55; color:var(--sfi-body); }
.sfi-section.dark .sfi-check li { color:rgba(255,255,255,.82); }
.sfi-check i { flex-shrink:0; width:24px; height:24px; border-radius:50%; background:rgba(255,120,1,.14); color:var(--sfi-accent); display:grid; place-items:center; font-size:.72rem; margin-top:2px; }

/* ── Feature cards ────────────────────────────────────────── */
.sfi-feat { background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); padding:32px 28px; box-shadow:var(--sfi-shadow); transition:transform .2s ease, box-shadow .2s ease; }
.sfi-feat:hover { transform:translateY(-5px); box-shadow:var(--sfi-shadow-lg); }
.sfi-feat-ic { width:56px; height:56px; border-radius:15px; background:rgba(255,120,1,.12); color:var(--sfi-accent); display:grid; place-items:center; font-size:1.4rem; margin-bottom:18px; }
.sfi-feat h4 { font-size:1.16rem; margin:0 0 10px; color:var(--sfi-ink); }
.sfi-feat p { font-size:.95rem; line-height:1.65; margin:0; color:var(--sfi-body); }
.sfi-section.dark .sfi-feat { background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.1); }
.sfi-section.dark .sfi-feat h4 { color:#fff; }
.sfi-section.dark .sfi-feat p { color:rgba(255,255,255,.72); }
.sfi-section.dark .sfi-feat-ic { background:var(--sfi-accent); color:#fff; box-shadow:0 8px 20px rgba(255,120,1,.3); }

/* ── Numbered steps ───────────────────────────────────────── */
.sfi-steps { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; max-width:920px; margin:0 auto; }
.sfi-step { display:flex; gap:20px; align-items:flex-start; background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); padding:26px; box-shadow:var(--sfi-shadow); }
.sfi-step-n { flex-shrink:0; width:46px; height:46px; border-radius:13px; background:var(--sfi-dark); color:var(--sfi-accent-2); font-family:var(--sfi-head-font); font-weight:800; font-size:1.2rem; display:grid; place-items:center; }
.sfi-step h4 { font-size:1.1rem; margin:0 0 7px; color:var(--sfi-ink); }
.sfi-step p { font-size:.94rem; line-height:1.6; margin:0; color:var(--sfi-body); }

/* ── Spec table ───────────────────────────────────────────── */
.sfi-specwrap { display:grid; grid-template-columns:.85fr 1.15fr; gap:54px; align-items:start; }
.sfi-spec-head h2 { font-size:clamp(1.7rem,3vw,2.4rem); font-weight:800; margin:0 0 14px; }
.sfi-spec-head p { font-size:1.02rem; line-height:1.7; color:var(--sfi-body); margin:0; }
.sfi-spec { width:100%; border-collapse:collapse; background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); overflow:hidden; box-shadow:var(--sfi-shadow); }
.sfi-spec th,.sfi-spec td { text-align:left; padding:16px 22px; border-bottom:1px solid var(--sfi-line); font-size:.96rem; vertical-align:top; }
.sfi-spec tr:last-child th,.sfi-spec tr:last-child td { border-bottom:none; }
.sfi-spec th { width:42%; color:var(--sfi-ink); font-family:var(--sfi-head-font); font-weight:700; background:var(--sfi-soft); }
.sfi-spec td { color:var(--sfi-body); }

/* ── FAQ ──────────────────────────────────────────────────── */
.sfi-faqwrap { max-width:820px; margin:0 auto; }
.sfi-faq { display:grid; gap:14px; }
.sfi-faq-i { background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius-sm); box-shadow:var(--sfi-shadow); overflow:hidden; }
.sfi-faq-i summary { list-style:none; cursor:pointer; padding:20px 24px; font-family:var(--sfi-head-font); font-weight:700; font-size:1.04rem; color:var(--sfi-ink); display:flex; justify-content:space-between; align-items:center; gap:16px; }
.sfi-faq-i summary::-webkit-details-marker { display:none; }
.sfi-faq-i summary i { color:var(--sfi-accent); transition:transform .2s ease; flex-shrink:0; }
.sfi-faq-i[open] summary i { transform:rotate(45deg); }
.sfi-faq-a { padding:0 24px 22px; color:var(--sfi-body); line-height:1.7; font-size:.98rem; }
.sfi-faq-a p { margin:0 0 12px; }
.sfi-faq-a p:last-child { margin:0; }

/* ── Article prose (blog) ─────────────────────────────────── */
.sfi-prosewrap { max-width:760px; margin:0 auto; }
.sfi-prose { font-size:1.08rem; line-height:1.8; color:#3b4658; }
.sfi-prose > *:first-child { margin-top:0; }
.sfi-prose h2 { font-size:1.7rem; font-weight:800; margin:2.4rem 0 1rem; color:var(--sfi-ink); }
.sfi-prose h3 { font-size:1.3rem; font-weight:700; margin:2rem 0 .8rem; color:var(--sfi-ink); }
.sfi-prose p { margin:0 0 1.3rem; }
.sfi-prose ul,.sfi-prose ol { margin:0 0 1.4rem; padding-left:1.3rem; }
.sfi-prose li { margin:0 0 .6rem; }
.sfi-prose a { color:var(--sfi-accent-d); font-weight:600; }
.sfi-prose img { max-width:100%; height:auto; border-radius:var(--sfi-radius); margin:1.6rem 0; box-shadow:var(--sfi-shadow); }
.sfi-prose blockquote { margin:1.8rem 0; padding:18px 26px; border-left:4px solid var(--sfi-accent); background:var(--sfi-soft); border-radius:0 var(--sfi-radius-sm) var(--sfi-radius-sm) 0; font-style:italic; color:var(--sfi-ink); }
.sfi-prose strong { color:var(--sfi-ink); }
.sfi-prose figure { margin:1.6rem 0; }
.sfi-prose figcaption { font-size:.86rem; color:var(--sfi-body); text-align:center; margin-top:8px; }

/* ── Blog index list ──────────────────────────────────────── */
.sfi-blog-feat { display:grid; grid-template-columns:1.1fr .9fr; gap:0; background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); overflow:hidden; box-shadow:var(--sfi-shadow); margin-bottom:40px; text-decoration:none; transition:transform .2s, box-shadow .2s; }
.sfi-blog-feat:hover { transform:translateY(-4px); box-shadow:var(--sfi-shadow-lg); }
.sfi-blog-feat-img { min-height:300px; background:var(--sfi-soft) center/cover no-repeat; }
.sfi-blog-feat-body { padding:42px 44px; display:flex; flex-direction:column; justify-content:center; }
.sfi-blog-feat-body .sfi-blog-tag { font-size:.76rem; }
.sfi-blog-feat-body h3 { font-size:clamp(1.4rem,2.6vw,2rem); margin:10px 0 14px; color:var(--sfi-ink); line-height:1.2; }
.sfi-blog-feat-body p { color:var(--sfi-body); line-height:1.7; margin:0 0 18px; }
.sfi-blog-meta { font-size:.85rem; color:var(--sfi-body); display:flex; gap:16px; flex-wrap:wrap; align-items:center; }
.sfi-blog-meta i { color:var(--sfi-accent); margin-right:5px; }

/* ── Quote form ───────────────────────────────────────────── */
.sfi-qgrid { display:grid; grid-template-columns:1.5fr 1fr; gap:34px; align-items:start; }
.sfi-form { background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); padding:34px; box-shadow:var(--sfi-shadow); }
.sfi-form .fg { margin-bottom:18px; }
.sfi-form .grid2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.sfi-form .grid3 { display:grid; grid-template-columns:2fr 1fr 1fr; gap:16px; }
.sfi-form label { display:block; font-family:var(--sfi-head-font); font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--sfi-ink); margin-bottom:7px; }
.sfi-form label .req { color:var(--sfi-accent); }
.sfi-form label .opt { font-weight:500; text-transform:none; letter-spacing:0; color:var(--sfi-body); }
.sfi-form input,.sfi-form select,.sfi-form textarea { width:100%; border:1px solid var(--sfi-line); border-radius:10px; padding:13px 15px; font-size:.95rem; font-family:inherit; color:var(--sfi-ink); background:#fff; outline:none; transition:border-color .15s, box-shadow .15s; }
.sfi-form input::placeholder,.sfi-form textarea::placeholder { color:#9aa6b6; }
.sfi-form input:focus,.sfi-form select:focus,.sfi-form textarea:focus { border-color:var(--sfi-accent); box-shadow:0 0 0 3px rgba(255,120,1,.14); }
.sfi-form textarea { min-height:128px; resize:vertical; }
.sfi-form input.invalid,.sfi-form textarea.invalid { border-color:#dc2626; }
.sfi-form .err { color:#dc2626; font-size:.78rem; margin-top:6px; }
.sfi-form .sfi-btn { width:100%; justify-content:center; }
.sfi-hp { position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.sfi-qtrust { display:flex; flex-wrap:wrap; gap:18px; justify-content:center; margin-top:18px; color:var(--sfi-body); font-size:.82rem; }
.sfi-qtrust i { color:var(--sfi-accent); margin-right:6px; }
/* aside */
.sfi-qaside { background:radial-gradient(700px 380px at 110% -10%, var(--sfi-dark-3) 0%, var(--sfi-dark) 60%); color:#fff; border-radius:var(--sfi-radius); padding:32px; box-shadow:var(--sfi-shadow); }
.sfi-qaside h3 { color:#fff; font-size:1.2rem; margin:0 0 18px; }
.sfi-qaside ul { list-style:none; padding:0; margin:0; display:grid; gap:14px; }
.sfi-qaside li { display:flex; gap:13px; align-items:flex-start; font-size:.92rem; color:rgba(255,255,255,.82); line-height:1.55; }
.sfi-qaside li i { color:var(--sfi-accent-2); margin-top:3px; flex-shrink:0; }
.sfi-qaside a { color:#fff; text-decoration:underline; }
.sfi-qphone { display:block; margin-top:22px; padding-top:20px; border-top:1px solid rgba(255,255,255,.14); font-size:.9rem; color:rgba(255,255,255,.7); }
.sfi-qphone a { color:#fff; font-weight:800; font-size:1.25rem; text-decoration:none; font-family:var(--sfi-head-font); }
.sfi-qphone a:hover { color:var(--sfi-accent-2); }
/* success */
.sfi-qsuccess { max-width:680px; margin:0 auto; background:#fff; border:1px solid var(--sfi-line); border-radius:var(--sfi-radius); padding:48px 36px; text-align:center; box-shadow:var(--sfi-shadow); }
.sfi-qsuccess .ic { width:72px; height:72px; border-radius:50%; background:var(--sfi-accent); color:#fff; display:grid; place-items:center; font-size:1.8rem; margin:0 auto 20px; box-shadow:0 12px 28px rgba(255,120,1,.34); }
.sfi-qsuccess h2 { font-size:1.7rem; margin:0 0 12px; }
.sfi-qsuccess p { color:var(--sfi-body); max-width:540px; margin:0 auto 26px; line-height:1.7; }
.sfi-qsuccess-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width:1100px) {
    .sfi-nav { display:none; }
    .sfi-burger { display:flex; }
    .sfi-foot-top { grid-template-columns:1fr 1fr 1fr; }
    .sfi-foot-brand { grid-column:1 / -1; }
}
@media (max-width:900px) {
    .sfi-section { padding:64px 0; }
    .sfi-about,.sfi-why { grid-template-columns:1fr; gap:36px; }
    .sfi-grid.c3,.sfi-grid.c4 { grid-template-columns:1fr 1fr; }
    .sfi-strip .sfi-wrap { grid-template-columns:1fr 1fr; }
    .sfi-gal { grid-template-columns:repeat(2,1fr); }
    .sfi-split { grid-template-columns:1fr; gap:34px; }
    .sfi-split.flip .sfi-split-txt { order:0; }
    .sfi-specwrap { grid-template-columns:1fr; gap:30px; }
    .sfi-steps { grid-template-columns:1fr; }
    .sfi-blog-feat { grid-template-columns:1fr; }
    .sfi-blog-feat-img { min-height:220px; }
    .sfi-qgrid { grid-template-columns:1fr; gap:24px; }
}
@media (max-width:560px) {
    .sfi-form { padding:24px; }
    .sfi-form .grid2,.sfi-form .grid3 { grid-template-columns:1fr; }
}
@media (max-width:640px) {
    .sfi-wrap { padding:0 18px; }
    .sfi-head-phone { display:none; }
    .sfi-logo-img { height:36px; max-width:min(168px,52vw); }
    .sfi-logo--foot .sfi-logo-img { height:44px; max-width:min(200px,78vw); }
    .sfi-head-inner { padding-top:10px; padding-bottom:10px; gap:12px; }
    .sfi-hero .sfi-wrap { padding-top:54px; padding-bottom:64px; }
    .sfi-hero-media { margin-top:-36px; }
    .sfi-hero-actions .sfi-btn,.sfi-talk-actions .sfi-btn { width:100%; justify-content:center; }
    .sfi-grid.c3,.sfi-grid.c2,.sfi-grid.c4,.sfi-strip .sfi-wrap { grid-template-columns:1fr; }
    .sfi-gal { grid-template-columns:1fr 1fr; grid-auto-rows:140px; }
    .sfi-talk { padding:44px 22px; }
    .sfi-blog-feat-body { padding:30px 26px; }
    .sfi-foot-top { grid-template-columns:1fr 1fr; gap:28px; }
    .sfi-news { flex-direction:column; }
    .sfi-news input,.sfi-news .sfi-btn { width:100%; }
}