/* ============================================================
   SMI Downloader + Tools — UI System v3
   ============================================================ */

/* ── Reset ─────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:#0f172a;
  background:#f7f8ff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,video{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* ── Tokens ────────────────────────────────────────────────── */
:root{
  --brand:#5b5ffb;
  --brand-2:#8b5cf6;
  --brand-3:#06b6d4;
  --brand-soft:#eef0ff;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --text:#0f172a;
  --text-muted:#475569;
  --text-soft:#64748b;
  --line:#e6e9f2;
  --bg:#f7f8ff;
  --panel:#ffffff;
  --panel-soft:#f8faff;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-xl:26px;
  --shadow-1:0 2px 12px rgba(15,23,42,.06);
  --shadow-2:0 12px 40px rgba(15,23,42,.10);
  --shadow-3:0 30px 80px rgba(30,41,59,.15);
  --ease:all .22s cubic-bezier(.4,0,.2,1);

  --tiktok:#000;
  --instagram:#e1306c;
  --facebook:#1877f2;
  --twitter:#1da1f2;

  /* Tool category colors */
  --cat-image:#f97316;
  --cat-pdf:#ef4444;
  --cat-developer:#6366f1;
  --cat-text:#10b981;
  --cat-data:#3b82f6;
  --cat-number:#8b5cf6;
}

/* ── Layout ───────────────────────────────────────────────── */
.container{max-width:1220px;margin:0 auto;padding:0 1.25rem}
.section{padding:4.8rem 0}
.section-sm{padding:3rem 0}

h1,h2,h3,h4{line-height:1.15;color:var(--text)}
h1{font-size:clamp(2rem,5vw,3.45rem);font-weight:900;letter-spacing:-.03em}
h2{font-size:clamp(1.55rem,3.2vw,2.45rem);font-weight:800;letter-spacing:-.02em}
h3{font-size:1.06rem;font-weight:700}
p{color:var(--text-muted)}

/* ── Navigation ───────────────────────────────────────────── */
.nav-wrap{
  position:sticky;top:0;z-index:120;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(148,163,184,.18);
}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo-link{display:flex;align-items:center;gap:.68rem;min-width:0}
.logo-icon{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:900;letter-spacing:.12em;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 22px rgba(91,95,251,.42);
}
.logo-name{display:block;font-size:1.12rem;font-weight:800;color:var(--text);letter-spacing:-.02em}
.logo-tag{display:block;font-size:.62rem;text-transform:uppercase;letter-spacing:.18em;color:#8ea0ba}

.nav-links{display:flex;align-items:center;gap:.2rem}
.nav-links a{
  padding:.48rem .88rem;border-radius:999px;
  font-size:.9rem;font-weight:600;color:#52627a;
  transition:var(--ease)
}
.nav-links a:hover,.nav-links a.active{background:#eef2ff;color:var(--brand)}

/* Tools dropdown */
.nav-dropdown{position:relative}
.nav-dropdown > a{display:flex;align-items:center;gap:.28rem}
.nav-dropdown > a svg{width:14px;height:14px;transition:transform .2s}
.nav-dropdown:hover > a svg{transform:rotate(180deg)}
.dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-3);
  padding:.5rem;
  padding-top:calc(.5rem + 10px); /* covers the invisible bridge */
  margin-top:0;
  min-width:680px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
  transform:translateX(-50%) translateY(-4px);
  display:grid;grid-template-columns:repeat(3,1fr);gap:.25rem;
}
/* Invisible bridge fills gap between trigger and menu */
.dropdown-menu::before{
  content:'';position:absolute;top:-12px;left:0;right:0;height:12px;
}
.nav-dropdown:hover .dropdown-menu{
  opacity:1;visibility:visible;pointer-events:all;
  transform:translateX(-50%) translateY(0);
}
.dropdown-item{
  display:flex;align-items:center;gap:.65rem;
  padding:.65rem .8rem;border-radius:10px;
  transition:background .15s;color:var(--text)
}
.dropdown-item:hover{background:var(--bg)}
.dropdown-item-icon{
  width:32px;height:32px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;flex-shrink:0;
}
.dropdown-item-text{font-size:.84rem;font-weight:600;color:var(--text)}
.dropdown-item-sub{font-size:.72rem;color:var(--text-soft);margin-top:.05rem}

.nav-cta{
  padding:.52rem 1rem !important;border-radius:999px;
  color:#fff !important;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 6px 16px rgba(91,95,251,.3)
}
.nav-cta:hover{transform:translateY(-1px)}

.nav-mobile-btn{display:none;color:#64748b;padding:.45rem;border-radius:10px}
.nav-mobile{display:none;flex-direction:column;border-top:1px solid var(--line);background:#fff}
.nav-mobile.open{display:flex}
.nav-mobile-section{padding:.5rem 1.25rem}
.nav-mobile-section h5{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:#94a3b8;padding:.5rem 0 .3rem}
.nav-mobile a{padding:.6rem .9rem;border-radius:10px;color:#52627a;font-weight:600;font-size:.9rem;display:block}
.nav-mobile a:hover{background:#f2f5ff;color:var(--brand)}
.nav-mobile-divider{height:1px;background:var(--line);margin:.25rem 1.25rem}

/* ── Hero ─────────────────────────────────────────────────── */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(91,95,251,.20), transparent 60%),
    radial-gradient(1000px 460px at 95% -20%, rgba(6,182,212,.18), transparent 60%),
    linear-gradient(180deg,#f8f9ff 0%,#f3f7ff 100%);
  padding:4.8rem 0 2.8rem;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.45rem;
  background:#fff;border:1px solid #e7ebf8;border-radius:999px;
  padding:.35rem .86rem;font-size:.78rem;font-weight:700;color:var(--brand);
  letter-spacing:.06em;text-transform:uppercase;box-shadow:var(--shadow-1)
}
.hero-title{margin:.95rem auto 1rem;max-width:920px;text-align:center}
.hero-title .accent{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-size:1.08rem;max-width:700px;margin:0 auto 1.6rem;text-align:center;color:#55657d}

.dl-card{
  position:relative;z-index:2;
  max-width:860px;margin:0 auto;
  background:rgba(255,255,255,.94);
  border:1px solid #e8ecf7;
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-3);
  padding:1.5rem;
}
.platform-tabs{display:flex;flex-wrap:wrap;gap:.55rem;margin-bottom:1rem}
.tab-btn{
  display:inline-flex;align-items:center;gap:.45rem;
  border:1.5px solid #dee4f3;border-radius:999px;background:#fff;
  color:#51637f;font-size:.85rem;font-weight:700;padding:.52rem .95rem;
  transition:var(--ease)
}
.tab-icon{width:17px;height:17px;opacity:.95;flex-shrink:0}
.tab-btn:hover{border-color:#cfd8ef;color:var(--brand)}
.tab-btn.active{
  border-color:transparent;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 18px rgba(91,95,251,.34)
}

.ig-options{
  display:none;margin-bottom:.9rem;padding:.9rem;border-radius:14px;
  background:#f3f6ff;border:1px solid #dfe6f8
}
.ig-options.show{display:block}
.ig-opts-row{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}
.ig-opt-btn{
  border:1.5px solid #dbe4f6;background:#fff;color:#51637f;
  padding:.42rem .88rem;border-radius:999px;font-size:.81rem;font-weight:700;transition:var(--ease)
}
.ig-opt-btn.active{background:#ecf1ff;border-color:#bfcdf5;color:var(--brand)}

.url-row{position:relative;margin-bottom:.8rem}
.url-input{
  width:100%;height:56px;padding:0 3rem 0 1rem;
  border:1.8px solid #dce4f5;border-radius:14px;
  background:#fff;color:#0f172a;font-size:.98rem;outline:none;
  transition:var(--ease)
}
.url-input::placeholder{color:#8da0bb}
.url-input:focus{border-color:#b9c8f3;box-shadow:0 0 0 4px rgba(91,95,251,.12)}
.paste-btn{position:absolute;right:.8rem;top:50%;transform:translateY(-50%);color:#7e8fa7}
.paste-btn:hover{color:var(--brand)}

.dl-btn-main{
  width:100%;height:54px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;gap:.5rem;
  color:#fff;font-size:1rem;font-weight:800;letter-spacing:.01em;
  box-shadow:0 12px 24px rgba(91,95,251,.35);
  transition:var(--ease)
}
.dl-btn-main:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 16px 30px rgba(91,95,251,.38)}
.dl-btn-main:disabled{opacity:.72;cursor:not-allowed}

.trust-row{display:flex;justify-content:center;flex-wrap:wrap;gap:.9rem;margin-top:1.2rem}
.trust-badge{display:inline-flex;align-items:center;gap:.4rem;background:#fff;padding:.35rem .65rem;border:1px solid #e6ebf7;border-radius:999px;font-size:.76rem;font-weight:700;color:#536279}
.trust-dot{width:7px;height:7px;border-radius:50%}

/* ── Result + Errors ─────────────────────────────────────── */
.error-box{display:none;margin-top:.8rem;padding:.75rem .9rem;border-radius:12px;border:1px solid #fecaca;background:#fff1f2;color:var(--danger);font-size:.88rem}
.error-box.show{display:flex;gap:.5rem;align-items:flex-start}
.result-box{display:none;margin-top:1rem;padding-top:1rem;border-top:1px solid #e9edf8}
.result-box.show{display:block}
.result-meta{display:flex;gap:.9rem;margin-bottom:1rem}
.result-thumb{width:118px;height:88px;border-radius:12px;object-fit:cover;background:#f2f5fb;flex-shrink:0}
.result-title{font-size:1rem;font-weight:700;color:var(--text);line-height:1.4}
.result-author{font-size:.84rem;color:#7a8aa2}
.result-badge{display:inline-block;padding:.23rem .58rem;border-radius:999px;color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.03em;margin-bottom:.4rem}
.download-items{display:flex;flex-direction:column;gap:.55rem}
.download-item{display:flex;align-items:center;justify-content:space-between;gap:.8rem;padding:.75rem .85rem;border:1px solid #e2e8f5;border-radius:12px;background:#f9fbff;transition:var(--ease)}
.download-item:hover{background:#f1f5ff;border-color:#cfd9f2}
.di-left{display:flex;align-items:center;gap:.6rem}
.di-icon{font-size:1.3rem}
.di-label{font-size:.9rem;font-weight:700;color:var(--text)}
.di-format{font-size:.75rem;color:var(--text-soft);font-weight:600}
.di-btn{padding:.5rem 1.1rem;border-radius:10px;background:var(--brand);color:#fff;font-size:.84rem;font-weight:700;transition:var(--ease)}
.di-btn:hover{background:#4a4fe8}

/* ── Spinner ─────────────────────────────────────────────── */
.spinner{display:inline-block;width:16px;height:16px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Section Titles ──────────────────────────────────────── */
.section-title{text-align:center;margin-bottom:.6rem}
.section-sub{text-align:center;max-width:640px;margin:0 auto 2.8rem;font-size:1.05rem;color:var(--text-soft)}

/* ── Platforms Grid ──────────────────────────────────────── */
.platforms-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
.platform-card{
  display:flex;flex-direction:column;gap:.6rem;
  padding:1.4rem;border-radius:var(--radius-lg);
  border:1px solid transparent;background:#fff;
  box-shadow:var(--shadow-1);transition:var(--ease)
}
.platform-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.pc-head{display:flex;align-items:center;gap:.6rem}
.pc-icon{width:26px;height:26px}
.pc-name{font-weight:800;font-size:1rem}
.pc-desc{font-size:.82rem;color:var(--text-soft);font-weight:500}
.pc-arrow{font-size:1.1rem;color:var(--text-soft)}
.bg-tiktok{background:linear-gradient(135deg,#f8f8f8,#eee);border-color:#ddd}
.bg-instagram{background:linear-gradient(135deg,#fff0f5,#fce7f3);border-color:#fbcfe8}
.bg-facebook{background:linear-gradient(135deg,#eff6ff,#dbeafe);border-color:#bfdbfe}
.bg-twitter{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-color:#bae6fd}

/* ── Stats Banner ─────────────────────────────────────────── */
.stats-banner{background:linear-gradient(135deg,var(--brand),var(--brand-2));padding:2.6rem 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;text-align:center}
.stat-num{font-size:2.2rem;font-weight:900;color:#fff}
.stat-lbl{font-size:.84rem;color:rgba(255,255,255,.75);font-weight:600}

/* ── Steps ───────────────────────────────────────────────── */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.step-card{text-align:center;padding:2rem 1.5rem;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-1)}
.step-num{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:900;font-size:1.1rem;display:flex;align-items:center;justify-content:center;margin:0 auto 1rem}
.step-title{margin-bottom:.4rem}

/* ── Features ────────────────────────────────────────────── */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.feature-card{padding:1.5rem;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-1)}
.feature-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:.9rem}
.feature-title{margin-bottom:.4rem}
.feature-desc{font-size:.9rem}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq-list{display:flex;flex-direction:column;gap:.65rem}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}
.faq-item summary{padding:1.1rem 1.3rem;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;font-size:.97rem}
.faq-item summary::after{content:'+';font-size:1.3rem;color:var(--brand);font-weight:400;line-height:1}
.faq-item[open] summary::after{content:'−'}
.faq-body{padding:0 1.3rem 1.1rem;color:var(--text-soft);font-size:.94rem}

/* ── Breadcrumb ──────────────────────────────────────────── */
.breadcrumb{display:flex;align-items:center;gap:.4rem;list-style:none;font-size:.83rem;flex-wrap:wrap}
.breadcrumb a{color:var(--brand);font-weight:600}
.breadcrumb .sep{color:#cbd5e1}
.breadcrumb .current{color:var(--text-soft);font-weight:600}

/* ── Page Hero ───────────────────────────────────────────── */
.page-hero{padding:2.5rem 0 1.8rem;text-align:center;background:linear-gradient(180deg,#f3f6ff,#f7f8ff)}
.page-hero-icon{width:68px;height:68px;border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;margin:0 auto 1.2rem;box-shadow:0 12px 28px rgba(0,0,0,.12)}

/* ── Mid/soft color ──────────────────────────────────────── */
.mid{color:var(--text-soft)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ── Footer ──────────────────────────────────────────────── */
.footer{background:#0f172a;padding:3.5rem 0 1.8rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:2.5rem}
.footer-brand p{font-size:.9rem;color:#94a3b8;margin-top:.8rem;line-height:1.65}
.footer-brand .logo-name{color:#fff}
.footer-brand .logo-icon{box-shadow:none}
.footer h4{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:#64748b;margin-bottom:.9rem}
.footer-links{display:flex;flex-direction:column;gap:.45rem}
.footer-links a{font-size:.9rem;color:#94a3b8;transition:color .18s}
.footer-links a:hover{color:#e2e8f0}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;padding-top:1.5rem;border-top:1px solid #1e293b}
.footer-bottom p{font-size:.82rem;color:#475569}
.footer-legal{display:flex;gap:1.2rem}
.footer-legal a{font-size:.82rem;color:#475569;transition:color .18s}
.footer-legal a:hover{color:#94a3b8}

/* ═══════════════════════════════════════════════════════════
   TOOLS SECTION
═══════════════════════════════════════════════════════════ */

/* ── Tools Section on Homepage ───────────────────────────── */
.tools-section{padding:4.8rem 0;background:#fff}
.tools-categories{display:flex;flex-direction:column;gap:3rem}
.tools-category-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:1.2rem;padding-bottom:.75rem;border-bottom:2px solid var(--line)
}
.tools-category-title{display:flex;align-items:center;gap:.6rem;font-size:1.18rem;font-weight:800}
.tools-category-icon{
  width:34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:1rem
}
.tools-view-all{font-size:.84rem;font-weight:700;color:var(--brand);display:flex;align-items:center;gap:.3rem}
.tools-view-all:hover{text-decoration:underline}
.tools-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.8rem}
.tool-card{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:.5rem;padding:1.1rem .8rem;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);
  transition:var(--ease);cursor:pointer
}
.tool-card:hover{
  background:#fff;border-color:#c7d0f0;
  box-shadow:var(--shadow-2);transform:translateY(-2px)
}
.tool-card-icon{font-size:1.6rem;line-height:1;margin-bottom:.15rem}
.tool-card-name{font-size:.8rem;font-weight:700;color:var(--text);line-height:1.25}
.tool-card-desc{font-size:.7rem;color:var(--text-soft);line-height:1.35;display:none}

/* ── Category Page ───────────────────────────────────────── */
.category-hero{
  padding:3rem 0 2rem;
  background:linear-gradient(135deg,#f3f6ff,#f7f8ff)
}
.category-hero-inner{display:flex;align-items:center;gap:1.2rem}
.category-big-icon{
  width:72px;height:72px;border-radius:22px;
  display:flex;align-items:center;justify-content:center;font-size:2rem;flex-shrink:0
}
.category-hero h1{font-size:clamp(1.7rem,3vw,2.6rem)}
.category-hero p{font-size:1rem;color:var(--text-soft);margin-top:.4rem}
.category-tools-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.1rem;
  padding:3rem 0
}
.category-tool-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:1.5rem;transition:var(--ease)
}
.category-tool-card:hover{
  border-color:#c7d0f0;box-shadow:var(--shadow-2);transform:translateY(-2px)
}
.ctc-icon{font-size:2rem;margin-bottom:.7rem}
.ctc-name{font-size:1rem;font-weight:800;margin-bottom:.3rem}
.ctc-desc{font-size:.84rem;color:var(--text-soft)}
.ctc-badge{
  display:inline-flex;align-items:center;gap:.3rem;
  margin-top:.75rem;padding:.22rem .6rem;border-radius:999px;
  font-size:.68rem;font-weight:700;
  background:var(--brand-soft);color:var(--brand)
}

/* ── Tool Page ───────────────────────────────────────────── */
.tool-layout{display:grid;grid-template-columns:1fr 300px;gap:2rem;align-items:start;padding:2.5rem 0 4rem}
.tool-main{}
.tool-sidebar{}
.tool-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:1.8rem;box-shadow:var(--shadow-1)
}
.tool-panel-title{font-size:1.25rem;font-weight:800;margin-bottom:1.2rem;display:flex;align-items:center;gap:.5rem}
.tool-label{font-size:.84rem;font-weight:700;color:var(--text);display:block;margin-bottom:.4rem}
.tool-textarea{
  width:100%;min-height:200px;padding:.9rem 1rem;
  border:1.5px solid #dce4f5;border-radius:var(--radius-md);
  font-size:.93rem;font-family:inherit;resize:vertical;outline:none;
  line-height:1.6;color:var(--text);background:#fafbff;
  transition:border-color .2s
}
.tool-textarea:focus{border-color:#b9c8f3;box-shadow:0 0 0 4px rgba(91,95,251,.1)}
.tool-input{
  width:100%;height:46px;padding:0 .9rem;
  border:1.5px solid #dce4f5;border-radius:var(--radius-md);
  font-size:.93rem;font-family:inherit;outline:none;
  color:var(--text);background:#fafbff;transition:border-color .2s
}
.tool-input:focus{border-color:#b9c8f3;box-shadow:0 0 0 4px rgba(91,95,251,.1)}
.tool-select{
  width:100%;height:46px;padding:0 .9rem;
  border:1.5px solid #dce4f5;border-radius:var(--radius-md);
  font-size:.93rem;font-family:inherit;outline:none;
  background:#fafbff;color:var(--text);cursor:pointer
}
.tool-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  padding:.65rem 1.4rem;border-radius:var(--radius-md);
  font-size:.9rem;font-weight:700;transition:var(--ease)
}
.tool-btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 6px 16px rgba(91,95,251,.3)
}
.tool-btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(91,95,251,.38)}
.tool-btn-secondary{background:var(--bg);border:1.5px solid var(--line);color:var(--text)}
.tool-btn-secondary:hover{background:#eef2ff;border-color:#c7d0f0}
.tool-btn-full{width:100%}
.tool-btn-row{display:flex;gap:.6rem;flex-wrap:wrap}
.tool-output-area{
  position:relative;background:#f8faff;border:1.5px solid #dce4f5;
  border-radius:var(--radius-md);padding:1rem;min-height:100px;
  font-family:'JetBrains Mono','Fira Code','Courier New',monospace;
  font-size:.86rem;line-height:1.7;color:var(--text);white-space:pre-wrap;word-break:break-all;
}
.copy-btn{
  position:absolute;top:.6rem;right:.6rem;
  padding:.3rem .65rem;border-radius:8px;background:#fff;
  border:1px solid var(--line);font-size:.75rem;font-weight:700;color:var(--brand);
  transition:var(--ease)
}
.copy-btn:hover{background:var(--brand-soft)}
.tool-stats-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.6rem}
.tool-stat{background:#eef2ff;color:var(--brand);padding:.3rem .65rem;border-radius:999px;font-size:.76rem;font-weight:700}
.tool-divider{height:1px;background:var(--line);margin:1.2rem 0}

/* Sidebar ad placeholder */
.ad-placeholder{
  background:linear-gradient(135deg,#f3f6ff,#e8edff);
  border:2px dashed #c7d0f0;border-radius:var(--radius-lg);
  min-height:280px;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:1.5rem;color:#94a3b8;font-size:.84rem;font-weight:600
}

/* Related tools widget */
.related-tools{margin-top:1.5rem}
.related-tools h4{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#94a3b8;margin-bottom:.7rem}
.related-tool-link{
  display:flex;align-items:center;gap:.6rem;
  padding:.6rem .75rem;border-radius:10px;transition:var(--ease)
}
.related-tool-link:hover{background:var(--bg)}
.related-tool-link span{font-size:.88rem;font-weight:600;color:var(--text)}

/* ── Fade animations ─────────────────────────────────────── */
.fade-up{opacity:0;transform:translateY(18px);animation:fadeUp .6s ease forwards}
.delay-1{animation-delay:.12s}.delay-2{animation-delay:.22s}.delay-3{animation-delay:.34s}
@keyframes fadeUp{to{opacity:1;transform:none}}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:1100px){
  .tools-grid{grid-template-columns:repeat(4,1fr)}
  .tool-layout{grid-template-columns:1fr}
  .tool-sidebar{display:none}
  .dropdown-menu{min-width:500px;grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .platforms-grid,.features-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tools-grid{grid-template-columns:repeat(3,1fr)}
  .nav-links,.nav-dropdown{display:none}
  .nav-mobile-btn{display:flex}
}
@media(max-width:600px){
  .platforms-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .tools-grid{grid-template-columns:repeat(2,1fr)}
  .category-tools-grid{grid-template-columns:repeat(2,1fr)}
}

/* ── Responsive grid helpers (inline grid overrides for mobile) ── */
.rg-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.rg-3{display:grid;grid-template-columns:repeat(3,1fr);gap:.7rem}
@media(max-width:600px){
  /* Image tool preview: stack vertically on mobile */
  .img-preview-grid{grid-template-columns:1fr!important}
  /* Tool buttons: full width on mobile */
  .tool-btn-row{flex-direction:column}
  .tool-btn-row .tool-btn{width:100%;justify-content:center}
  /* Responsive grid helpers */
  .rg-2,.rg-3{grid-template-columns:1fr}
  /* Tool panel padding reduction */
  .tool-panel{padding:1.2rem 1rem}
  /* Word counter stats — 2 columns on mobile */
  .wc-stats{grid-template-columns:repeat(2,1fr)!important}
  /* Age calculator stats — 2 columns on mobile */
  .age-stats{grid-template-columns:repeat(2,1fr)!important}
}

/* ── SEO Content Sections ── */
.seo-section{padding:3rem 0;border-top:1px solid var(--line)}
.seo-section h2{font-size:1.35rem;font-weight:800;color:var(--text);margin-bottom:1rem}
.seo-section h3{font-size:1rem;font-weight:700;color:var(--text);margin:.8rem 0 .3rem}
.seo-section p{font-size:.95rem;color:var(--text-soft);line-height:1.7;margin-bottom:.6rem}
.seo-section ul{padding-left:1.2rem;margin-bottom:.8rem}
.seo-section ul li{font-size:.95rem;color:var(--text-soft);line-height:1.7;margin-bottom:.25rem}
.seo-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin:1.2rem 0}
.seo-step{background:var(--bg2,#f8faff);border-radius:var(--radius-lg,14px);padding:1.2rem;border:1px solid var(--line,#e8ecf4)}
.seo-step-num{width:28px;height:28px;background:var(--brand,#5b5ffb);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:800;margin-bottom:.6rem}
.seo-faq{margin:1rem 0}
.seo-faq-item{border-bottom:1px solid var(--line,#e8ecf4);padding:.9rem 0}
.seo-faq-item:last-child{border-bottom:none}
.seo-faq-q{font-size:.95rem;font-weight:700;color:var(--text);margin-bottom:.3rem}
.seo-faq-a{font-size:.9rem;color:var(--text-soft);line-height:1.6}
@media(max-width:600px){.seo-steps{grid-template-columns:1fr}}