/* ==========================================================
   QuillShield — Design System
   Ink & Quill theme: deep navy + electric blue, liquid-ink motion
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
    /* Core palette */
    --navy-950: #080d20;
    --navy-900: #0b1330;
    --navy-800: #131c42;
    --blue-700: #1d3fd1;
    --blue-600: #2f6fed;
    --blue-500: #4c8dff;
    --blue-400: #86b7ff;
    --blue-100: #e8f0ff;

    --bg: #f5f8fe;
    --surface: #ffffff;
    --surface-2: #eef3fc;
    --border: #e1e7f5;
    --border-strong: #c9d5ee;

    --text-heading: #0b1330;
    --text-body: #3c4566;
    --text-muted: #6b7492;
    --text-on-dark: #eaf0ff;
    --text-on-dark-muted: #9fb0e0;

    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --success: #16a34a;
    --success-bg: #f0fdf4;
    --warn: #b45309;
    --warn-bg: #fffbeb;

    --shadow-sm: 0 1px 2px rgba(11, 19, 48, 0.06);
    --shadow-md: 0 10px 26px -10px rgba(11, 19, 48, 0.20);
    --shadow-lg: 0 28px 56px -18px rgba(11, 19, 48, 0.28);

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --header-h: 72px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text-body);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
textarea { width: 100%; font-family: inherit; }
a { color: inherit; }
button { font-family: inherit; }
h1, h2, h3, h4 {
    font-family: 'Sora', 'Inter', sans-serif;
    color: var(--text-heading);
    letter-spacing: -0.02em;
    line-height: 1.15;
}
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 24px; }

:focus-visible { outline: 2.5px solid var(--blue-500); outline-offset: 2px; border-radius: 4px; }

/* ==========================================================
   HEADER
   ========================================================== */
header.site-header {
    position: sticky; top: 0; z-index: 100;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
}
.navbar { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.brand .brand-word { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.18rem; color: var(--text-heading); white-space: nowrap; }
.brand .brand-word span { color: var(--blue-600); }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
    text-decoration: none; color: var(--text-body); font-weight: 600; font-size: 0.93rem;
    padding: 9px 14px; border-radius: 999px; transition: background .15s, color .15s;
}
.nav-links a:hover { background: var(--surface-2); color: var(--text-heading); }
.nav-links a.active { color: var(--blue-700); background: var(--blue-100); }

.header-right { display: flex; align-items: center; gap: 14px; }
.free-pill {
    background: var(--blue-100); color: var(--blue-700); font-size: 0.74rem; font-weight: 700;
    padding: 6px 12px; border-radius: 999px; border: 1px solid #d3e2fd; letter-spacing: 0.01em;
    display: flex; align-items: center; gap: 6px;
}
.free-pill::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--success); display: inline-block; }

/* Hamburger */
.hamburger {
    display: none; flex-direction: column; justify-content: center; gap: 5px;
    width: 40px; height: 40px; background: none; border: 1px solid var(--border); border-radius: 10px;
    cursor: pointer; z-index: 210;
}
.hamburger span { width: 18px; height: 2px; background: var(--text-heading); margin: 0 auto; transition: transform .25s ease, opacity .2s ease; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-scrim {
    display: none; position: fixed; inset: 0; background: rgba(11, 19, 48, 0.45);
    z-index: 190; opacity: 0; transition: opacity .25s ease;
}
.nav-scrim.show { display: block; opacity: 1; }

/* Mobile off-canvas panel — always fixed & hidden off-screen by default,
   regardless of viewport width, so it never sits inline in the page flow. */
.mobile-panel {
    position: fixed; top: 0; right: 0; height: 100dvh; width: min(78vw, 320px);
    background: var(--navy-900); z-index: 200;
    transform: translateX(100%); transition: transform .3s cubic-bezier(.4,0,.2,1);
    display: flex; flex-direction: column; padding: 24px 22px;
    box-shadow: -20px 0 50px rgba(0,0,0,0.25);
}
.mobile-panel.open { transform: translateX(0); }
.mobile-panel .mp-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.mobile-panel .mp-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-family: 'Sora', sans-serif; font-weight: 700; text-decoration: none; }
.mobile-panel .mp-brand img { width: 28px; height: 28px; }
.mobile-panel .mp-close { background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; line-height: 1; padding: 4px 8px; }
.mobile-panel a {
    color: var(--text-on-dark); text-decoration: none; font-weight: 600; font-size: 1.05rem;
    padding: 14px 4px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-panel a.active { color: var(--blue-400); }
.mobile-panel .mp-pill {
    margin-top: auto; color: var(--text-on-dark-muted); font-size: 0.8rem; text-align: center;
    padding-top: 20px;
}

@media (max-width: 860px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }
    .free-pill { display: none; }
}

/* ==========================================================
   HERO
   ========================================================== */
.hero { padding: 56px 0 8px; text-align: center; }
.hero .eyebrow-badge {
    display: inline-flex; align-items: center; gap: 8px; background: var(--blue-100); color: var(--blue-700);
    font-size: 0.8rem; font-weight: 700; padding: 7px 16px; border-radius: 999px; margin-bottom: 20px;
    border: 1px solid #d3e2fd;
}
.hero h1 {
    font-size: clamp(1.9rem, 4.4vw, 2.9rem); font-weight: 800; max-width: 760px; margin: 0 auto 16px;
}
.hero h1 em { font-style: normal; color: var(--blue-600); }
.hero p.lead { color: var(--text-muted); font-size: 1.08rem; max-width: 580px; margin: 0 auto; }

.trust-row {
    display: flex; justify-content: center; gap: 26px; flex-wrap: wrap; margin: 26px 0 40px;
    font-size: 0.85rem; color: var(--text-muted); font-weight: 600;
}
.trust-row span { display: flex; align-items: center; gap: 7px; }
.trust-row svg { color: var(--blue-600); flex-shrink: 0; }

/* ==========================================================
   TOOL WORKSPACE
   ========================================================== */
.tool-section { padding-bottom: 64px; }

.workspace {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 26px; box-shadow: var(--shadow-lg);
    position: relative;
}
.workspace-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 6px; }
.workspace-head h2 { font-size: 1.05rem; font-weight: 700; }
.mode-desc { color: var(--text-muted); font-size: 0.88rem; }

textarea#inputText {
    width: 100%; min-height: 210px; background: var(--bg); border: 1.5px solid var(--border);
    border-radius: var(--radius-md); padding: 16px; font-size: 1rem; color: var(--text-heading);
    resize: vertical; outline: none; transition: border-color .15s, background .15s;
    font-family: 'Inter', sans-serif;
}
textarea#inputText:focus { border-color: var(--blue-500); background: var(--surface); }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; flex-wrap: wrap; gap: 12px; }
.word-count { font-size: 0.86rem; font-weight: 600; color: var(--text-muted); }
.word-count strong { color: var(--text-heading); }

.captcha-row {
    display: flex; align-items: center; gap: 10px; font-size: 0.86rem; font-weight: 600;
    background: linear-gradient(135deg, var(--blue-100), #ffffff);
    border: 1.5px solid var(--blue-400); border-radius: 12px; padding: 8px 14px;
    color: var(--blue-700); width: fit-content;
}
.captcha-row strong { color: var(--blue-700); font-weight: 800; }
.captcha-input {
    width: 54px; text-align: center; background: var(--surface); border: 1.5px solid var(--blue-400);
    border-radius: 8px; padding: 7px 6px; font-size: 0.95rem; font-weight: 700; color: var(--blue-700);
    outline: none; transition: border-color .15s, box-shadow .15s;
    font-family: 'Inter', sans-serif;
}
.captcha-input:focus { border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(47,111,237,0.18); }

.btn-submit {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: #fff; border: none; padding: 13px 26px; border-radius: 11px; font-size: 0.95rem; font-weight: 700;
    cursor: pointer; display: inline-flex; align-items: center; gap: 9px; transition: transform .15s, box-shadow .15s;
    box-shadow: 0 10px 22px -8px rgba(47,111,237,0.5);
}
.btn-submit:hover { transform: translateY(-1px); box-shadow: 0 14px 26px -8px rgba(47,111,237,0.55); }
.btn-submit:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-clear {
    background: var(--surface); color: var(--text-body); border: 1.5px solid var(--border-strong);
    padding: 12px 20px; border-radius: 11px; font-size: 0.95rem; font-weight: 700;
    cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: background .15s, border-color .15s, color .15s;
}
.btn-clear:hover { background: var(--danger-bg); border-color: var(--danger); color: var(--danger); }

/* Result */
.result-panel { margin-top: 26px; padding-top: 24px; border-top: 1px dashed var(--border); display: none; }

.output-box { width: 100%; min-height: 180px; background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 16px; font-size: 1rem; font-family: 'Inter', sans-serif; color: var(--text-heading); resize: vertical; }
.btn-copy {
    background: var(--surface); border: 1px solid var(--border); color: var(--text-body); padding: 9px 16px;
    border-radius: 9px; font-weight: 700; font-size: 0.85rem; cursor: pointer; margin-top: 12px;
    display: inline-flex; align-items: center; gap: 7px; transition: background .15s;
}
.btn-copy:hover { background: var(--surface-2); }

/* ==========================================================
   PROCESSING MODAL — liquid ink fill
   ========================================================== */
.process-overlay {
    position: fixed; inset: 0; background: rgba(8, 13, 32, 0.55); backdrop-filter: blur(3px);
    display: none; align-items: center; justify-content: center; z-index: 300; padding: 20px;
}
.process-overlay.show { display: flex; }
.process-card {
    background: var(--navy-900); border-radius: var(--radius-lg); padding: 36px 34px 30px;
    width: 100%; max-width: 320px; text-align: center; box-shadow: var(--shadow-lg);
    animation: cardPop .28s cubic-bezier(.34,1.56,.64,1);
}
@keyframes cardPop { from { transform: scale(.92); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.ink-vial { width: 84px; height: 104px; margin: 0 auto 18px; position: relative; }
.ink-vial svg { width: 100%; height: 100%; display: block; }
#inkFillRect { transition: y 0.35s ease, height 0.35s ease; }
.ink-wave { animation: waveShift 2.6s linear infinite; }
@keyframes waveShift { from { transform: translateX(0); } to { transform: translateX(-40px); } }

.process-percent {
    font-family: 'Sora', sans-serif; font-size: 2.1rem; font-weight: 800; color: #fff; margin-bottom: 4px;
}
.process-label { color: var(--text-on-dark-muted); font-size: 0.92rem; font-weight: 600; min-height: 1.4em; }

/* ==========================================================
   TOAST
   ========================================================== */
.toast-wrap { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 400; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast {
    background: var(--navy-900); color: #fff; padding: 13px 20px; border-radius: 12px; font-size: 0.9rem; font-weight: 600;
    box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px; max-width: 90vw;
    animation: toastIn .25s ease;
}
.toast.err { background: #7f1d1d; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ==========================================================
   MARKETING SECTIONS
   ========================================================== */
.section { padding: 74px 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 560px; margin: 0 auto 44px; text-align: center; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 10px; }
.section-head p { color: var(--text-muted); font-size: 1rem; }

/* Benefit ledger rows */
.ledger { border-top: 1px solid var(--border); }
.ledger-row {
    display: grid; grid-template-columns: 110px 1fr; gap: 26px; align-items: start;
    padding: 26px 0; border-bottom: 1px solid var(--border);
}
.ledger-num { font-family: 'Sora', sans-serif; font-size: 1.9rem; font-weight: 800; color: var(--blue-500); }
.ledger-row h3 { font-size: 1.12rem; margin-bottom: 6px; }
.ledger-row p { color: var(--text-muted); font-size: 0.95rem; max-width: 520px; }

@media (max-width: 640px) {
    .ledger-row { grid-template-columns: 1fr; gap: 6px; }
}

/* How it works */
.steps-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
    padding: 24px; position: relative;
}
.step-card .step-tag {
    font-family: 'Sora', sans-serif; font-weight: 800; font-size: 0.85rem; color: var(--blue-600);
    margin-bottom: 12px; display: block;
}
.step-card h3 { font-size: 1.02rem; margin-bottom: 8px; }
.step-card p { color: var(--text-muted); font-size: 0.9rem; }
@media (max-width: 780px) { .steps-row { grid-template-columns: 1fr; } }

/* CTA band */
.cta-band {
    background: linear-gradient(135deg, var(--navy-900), var(--blue-700) 150%);
    border-radius: var(--radius-lg); padding: 48px 40px; text-align: center; color: #fff;
    margin: 0 auto; max-width: 1080px;
}
.cta-band h2 { color: #fff; font-size: clamp(1.4rem, 3vw, 1.9rem); margin-bottom: 10px; }
.cta-band p { color: var(--text-on-dark-muted); margin-bottom: 24px; max-width: 480px; margin-left: auto; margin-right: auto; }
.cta-band .btn-submit { background: #fff; color: var(--navy-900); box-shadow: none; }
.cta-band .btn-submit:hover { background: #eef3fc; }

/* Static/legal pages */
.page-hero { padding: 52px 0 8px; text-align: center; }
.page-hero h1 { font-size: clamp(1.7rem, 3.6vw, 2.3rem); margin-bottom: 10px; }
.page-hero p { color: var(--text-muted); }
.prose { padding: 40px 0 80px; }
.prose h2 { font-size: 1.25rem; margin: 32px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text-body); margin-bottom: 14px; font-size: 0.98rem; }
.prose ul { padding-left: 22px; margin-bottom: 14px; }
.updated-tag { display: inline-block; background: var(--surface-2); color: var(--text-muted); font-size: 0.8rem; font-weight: 600; padding: 5px 12px; border-radius: 999px; margin-bottom: 6px; }

.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.contact-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
    padding: 26px;
}
.contact-card h3 { font-size: 1rem; margin-bottom: 6px; }
.contact-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 14px; }
.contact-card a.contact-email { color: var(--blue-700); font-weight: 700; text-decoration: none; }
.contact-card a.contact-email:hover { text-decoration: underline; }
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }

/* Contact form */
.contact-form-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 28px; box-shadow: var(--shadow-md); margin-bottom: 30px;
}
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 700; font-size: 0.88rem; color: var(--text-heading); margin-bottom: 6px; }
.form-row input, .form-row textarea {
    width: 100%; border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px;
    font-size: 0.96rem; font-family: 'Inter', sans-serif; color: var(--text-heading); background: var(--bg); outline: none;
    transition: border-color .15s, background .15s;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--blue-500); background: var(--surface); }
.form-row textarea { min-height: 130px; resize: vertical; }
.form-success {
    background: var(--success-bg); border: 1px solid #bbf0cc; color: #14532d; border-radius: var(--radius-md);
    padding: 16px 18px; margin-bottom: 20px; font-weight: 600; font-size: 0.92rem; display: flex; gap: 10px; align-items: center;
}
.form-error {
    background: var(--danger-bg); border: 1px solid #f9c9c9; color: #8f1f1f; border-radius: var(--radius-md);
    padding: 16px 18px; margin-bottom: 20px; font-weight: 600; font-size: 0.92rem;
}

/* Breadcrumb */
.breadcrumb { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; font-weight: 600; }
.breadcrumb a:hover { color: var(--blue-700); }
.breadcrumb span { margin: 0 6px; opacity: 0.6; }

/* Blog grid */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.blog-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
    overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column;
    transition: transform .15s, box-shadow .15s;
}
.blog-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.blog-card .thumb { width: 100%; aspect-ratio: 16/10; background: var(--surface-2); overflow: hidden; }
.blog-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.blog-card .thumb-fallback {
    width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--navy-900), var(--blue-700)); color: #fff;
}
.blog-card .bc-body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.blog-card h3 { font-size: 1.04rem; margin-bottom: 8px; line-height: 1.3; }
.blog-card p { color: var(--text-muted); font-size: 0.9rem; flex: 1; }
.blog-card .bc-date { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; margin-top: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .blog-grid { grid-template-columns: 1fr; } }

/* Single post */
.post-header { text-align: center; padding: 46px 0 10px; }
.post-header h1 { font-size: clamp(1.6rem, 3.6vw, 2.3rem); max-width: 760px; margin: 0 auto 14px; }
.post-meta { color: var(--text-muted); font-size: 0.88rem; font-weight: 600; }
.post-cover { max-width: 860px; margin: 28px auto; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.post-cover img { width: 100%; display: block; }
.post-body { max-width: 720px; margin: 0 auto; padding: 10px 24px 70px; }
.post-body h2 { font-size: 1.3rem; margin: 32px 0 12px; }
.post-body h3 { font-size: 1.1rem; margin: 24px 0 10px; }
.post-body p { color: var(--text-body); margin-bottom: 16px; font-size: 1rem; }
.post-body ul, .post-body ol { padding-left: 22px; margin-bottom: 16px; color: var(--text-body); }
.post-body li { margin-bottom: 6px; }
.post-body a { color: var(--blue-700); font-weight: 600; }

/* Pagination */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pagination a, .pagination span {
    min-width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
    border-radius: 10px; border: 1px solid var(--border); text-decoration: none; color: var(--text-body);
    font-weight: 700; font-size: 0.9rem;
}
.pagination a:hover { border-color: var(--border-strong); background: var(--surface-2); }
.pagination .current { background: var(--navy-900); color: #fff; border-color: var(--navy-900); }

/* FAQ accordion */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
    padding: 20px 4px; font-weight: 700; font-size: 1rem; color: var(--text-heading); cursor: pointer;
    list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+'; font-size: 1.4rem; font-weight: 400; color: var(--blue-600); flex-shrink: 0; transition: transform .2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 4px 20px; color: var(--text-muted); font-size: 0.95rem; }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state h3 { color: var(--text-heading); margin-bottom: 8px; }

/* ==========================================================
   FOOTER
   ========================================================== */
footer.site-footer { background: var(--navy-900); color: var(--text-on-dark-muted); margin-top: 40px; }
.footer-top { padding: 52px 0 36px; display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; text-decoration: none; }
.footer-brand img { width: 30px; height: 30px; }
.footer-brand .fw { font-family: 'Sora', sans-serif; font-weight: 700; color: #fff; font-size: 1.1rem; }
.footer-tag { font-size: 0.88rem; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 14px; }
.footer-col a { display: block; color: var(--text-on-dark-muted); text-decoration: none; font-size: 0.9rem; margin-bottom: 11px; transition: color .15s; }
.footer-col a:hover { color: #fff; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; font-size: 0.85rem;
}
.footer-bottom .dev-credit { color: var(--text-on-dark-muted); text-decoration: none; font-weight: 600; transition: color .18s; }
.footer-bottom .dev-credit:hover { color: var(--blue-400); }
.footer-bottom .divider { opacity: 0.4; margin: 0 8px; }

@media (max-width: 780px) {
    .footer-top { grid-template-columns: 1fr; gap: 30px; }
}

/* Utility */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }