/* ============================================================
   Nutrient Deficiency Checker — Premium CSS
   PlantCare.dotiam.com  |  nd- prefix
   Red theme — #7f1d1d → #f87171
   ============================================================ */
@font-face { font-family: 'Inter'; font-display: swap; }

:root {
    --nd-red:      #dc2626;
    --nd-red-d:    #7f1d1d;
    --nd-red-l:    #f87171;
    --nd-red-bg:   #fff5f5;
    --nd-border:   #fecaca;
    --nd-border-d: #fca5a5;
    --nd-text:     #1f2937;
    --nd-muted:    #6b7280;
    --nd-surface:  #ffffff;
    --nd-card:     #fffafa;
    --nd-green:    #16a34a;
    --nd-green-bg: #f0fdf4;
    --nd-radius:   12px;
    --nd-radius-lg:18px;
    --nd-shadow:   0 2px 16px rgba(220,38,38,.09);
    --nd-shadow-lg:0 8px 40px rgba(220,38,38,.14);
    --nd-font:     'Inter', -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }

/* Breadcrumb */
.pi-breadcrumb { background:#fff; border-bottom:1px solid var(--nd-border); padding:10px 0; }
.pi-bc-inner   { max-width:1200px; margin:0 auto; padding:0 20px; display:flex; align-items:center; gap:8px; font-size:.8rem; font-family:var(--nd-font); }
.pi-bc-inner a { color:var(--nd-red); font-weight:500; text-decoration:none; }
.pi-bc-sep     { color:var(--nd-muted); }

/* Hero */
.nd-hero { padding:52px 20px 60px; text-align:center; position:relative; overflow:hidden; }
.nd-hero::before { content:''; position:absolute; inset:0; background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E"); pointer-events:none; }
.nd-hero-inner  { position:relative; max-width:760px; margin:0 auto; }
.nd-hero-tag    { display:inline-block; background:rgba(255,255,255,.2); border:1px solid rgba(255,255,255,.35); color:#fff; border-radius:30px; padding:5px 18px; font-size:.74rem; font-weight:700; letter-spacing:.5px; margin-bottom:16px; font-family:var(--nd-font); }
.nd-hero-h1     { font-size:clamp(1.8rem,4vw,2.8rem); font-weight:900; color:#fff; text-shadow:0 2px 12px rgba(0,0,0,.2); line-height:1.15; margin:0 0 6px; font-family:var(--nd-font); }
.nd-hero-h1-hi  { display:block; font-size:clamp(.95rem,2.5vw,1.25rem); font-weight:600; opacity:.88; margin-top:6px; }
.nd-hero-sub    { font-size:clamp(.88rem,2vw,1rem); color:rgba(255,255,255,.92); margin:14px 0 4px; line-height:1.6; }
.nd-hero-sub-hi { font-size:.82rem; color:rgba(255,255,255,.78); margin:0 0 18px; }
.nd-hero-badges { display:flex; flex-wrap:wrap; gap:8px; justify-content:center; }
.nd-hero-badges span { background:rgba(255,255,255,.18); border:1px solid rgba(255,255,255,.3); color:#fff; border-radius:20px; padding:5px 14px; font-size:.75rem; font-weight:600; }
@media(max-width:480px){ .nd-hero{padding:36px 16px 44px;} }

/* Tool Section */
.nd-tool-section { background:var(--nd-red-bg); padding:32px 0 48px; }
.nd-container    { max-width:1200px; margin:0 auto; padding:0 20px; }

/* Steps */
.nd-steps { display:flex; align-items:center; justify-content:center; gap:12px; flex-wrap:wrap; background:#fff; border:1px solid var(--nd-border); border-radius:50px; padding:14px 24px; margin-bottom:28px; box-shadow:var(--nd-shadow); }
.nd-step-item  { display:flex; align-items:center; gap:10px; }
.nd-step-num   { width:28px; height:28px; background:linear-gradient(135deg,var(--nd-red-d),var(--nd-red)); color:#fff; border-radius:50%; font-size:.75rem; font-weight:800; display:flex; align-items:center; justify-content:center; flex-shrink:0; box-shadow:0 2px 8px rgba(220,38,38,.35); }
.nd-step-text strong { display:block; font-size:.82rem; font-weight:700; color:var(--nd-text); font-family:var(--nd-font); }
.nd-step-text span   { display:block; font-size:.7rem; color:var(--nd-muted); }
.nd-step-arrow { font-size:1.1rem; color:var(--nd-red); font-weight:700; }
@media(max-width:640px){ .nd-steps{display:none;} }

/* Main Grid */
.nd-grid { display:grid; grid-template-columns:360px 1fr; gap:24px; align-items:start; }
@media(max-width:960px){ .nd-grid{grid-template-columns:1fr;} }

/* Input Column */
.nd-input-col { background:var(--nd-surface); border:1px solid var(--nd-border); border-radius:var(--nd-radius-lg); overflow:hidden; box-shadow:var(--nd-shadow); position:sticky; top:80px; }
@media(max-width:960px){ .nd-input-col{position:static;} }

/* Mode Tabs */
.nd-modes { display:grid; grid-template-columns:1fr 1fr; border-bottom:2px solid var(--nd-border); }
.nd-mode  { display:flex; flex-direction:column; align-items:center; gap:3px; padding:15px 8px; border:none; border-right:1px solid var(--nd-border); background:var(--nd-red-bg); cursor:pointer; transition:all .2s; font-family:var(--nd-font); }
.nd-mode:last-child { border-right:none; }
.nd-mode.active { background:#fff; }
.nd-mode-icon { font-size:1.5rem; transition:transform .2s; }
.nd-mode.active .nd-mode-icon { transform:scale(1.15); }
.nd-mode-en { font-size:.78rem; font-weight:700; color:var(--nd-muted); }
.nd-mode-hi { font-size:.66rem; color:var(--nd-muted); opacity:.75; }
.nd-mode.active .nd-mode-en,
.nd-mode.active .nd-mode-hi { color:var(--nd-red); opacity:1; }

/* Mode Content */
.nd-mode-content { padding:16px; display:flex; flex-direction:column; gap:12px; }

/* Source Buttons */
.nd-source-btns { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.nd-source-btn  { display:flex; flex-direction:column; align-items:center; gap:5px; padding:16px 10px; border-radius:14px; border:2px solid var(--nd-border-d); background:var(--nd-card); cursor:pointer; transition:all .2s; font-family:var(--nd-font); }
.nd-source-btn:hover { transform:translateY(-3px); box-shadow:var(--nd-shadow); }
.nd-btn-camera:hover { border-color:#0284c7; background:rgba(2,132,199,.05); }
.nd-btn-upload:hover { border-color:var(--nd-red); background:rgba(220,38,38,.04); }
.nd-sb-icon { font-size:1.8rem; }
.nd-sb-en   { font-size:.8rem; font-weight:700; color:var(--nd-text); }
.nd-sb-hi   { font-size:.68rem; color:var(--nd-muted); }

/* Dropzone */
.nd-dropzone { border:2px dashed var(--nd-border-d); border-radius:var(--nd-radius); background:var(--nd-card); cursor:pointer; transition:all .2s; min-height:140px; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.nd-dropzone:hover, .nd-dropzone.dragover { border-color:var(--nd-red); background:rgba(220,38,38,.03); }
.nd-dz-empty { display:flex; flex-direction:column; align-items:center; gap:5px; padding:20px; text-align:center; }
.nd-dz-icon  { font-size:2rem; opacity:.4; }
.nd-dz-en    { font-size:.85rem; font-weight:600; color:var(--nd-text); margin:0; }
.nd-dz-hi    { font-size:.72rem; color:var(--nd-muted); margin:0; }
.nd-dz-empty small { font-size:.7rem; color:#9ca3af; }
.nd-dz-preview { width:100%; height:100%; position:relative; }
.nd-dz-preview img { width:100%; max-height:180px; object-fit:cover; display:block; }
.nd-dz-change { position:absolute; top:8px; right:8px; background:rgba(0,0,0,.6); color:#fff; border:none; border-radius:20px; padding:5px 12px; font-size:.75rem; font-weight:600; cursor:pointer; transition:background .2s; }
.nd-dz-change:hover { background:var(--nd-red); }

/* Photo Tips */
.nd-photo-tips { display:grid; grid-template-columns:1fr 1fr; gap:5px; }
.nd-pt-good, .nd-pt-bad { font-size:.7rem; font-weight:600; padding:5px 9px; border-radius:8px; display:flex; align-items:flex-start; gap:4px; line-height:1.4; }
.nd-pt-good { background:rgba(22,163,74,.08); color:#065f46; border:1px solid rgba(22,163,74,.18); }
.nd-pt-bad  { background:rgba(239,68,68,.06); color:#991b1b; border:1px solid rgba(239,68,68,.14); }

/* Text mode fields */
.nd-field { display:flex; flex-direction:column; gap:5px; }
.nd-label { font-size:.8rem; font-weight:700; color:var(--nd-text); font-family:var(--nd-font); display:flex; align-items:center; gap:5px; flex-wrap:wrap; }
.nd-label-hi  { font-weight:400; color:var(--nd-muted); }
.nd-label-opt { font-weight:400; color:#9ca3af; font-size:.7rem; }
.nd-plant-input { width:100%; padding:10px 12px; border:1.5px solid var(--nd-border-d); border-radius:var(--nd-radius); font-size:.88rem; color:var(--nd-text); background:var(--nd-card); outline:none; font-family:var(--nd-font); transition:border-color .2s; }
.nd-plant-input:focus { border-color:var(--nd-red); box-shadow:0 0 0 3px rgba(220,38,38,.1); }
.nd-textarea { width:100%; padding:11px 13px; border:1.5px solid var(--nd-border-d); border-radius:var(--nd-radius); font-size:.86rem; color:var(--nd-text); background:var(--nd-card); resize:vertical; min-height:120px; outline:none; font-family:var(--nd-font); transition:border-color .2s; line-height:1.6; }
.nd-textarea:focus { border-color:var(--nd-red); box-shadow:0 0 0 3px rgba(220,38,38,.1); }
.nd-textarea::placeholder { color:#9ca3af; }
.nd-sym-chips { display:flex; flex-wrap:wrap; gap:5px; }
.nd-chip { background:var(--nd-red-bg); border:1.5px solid var(--nd-border-d); border-radius:20px; padding:4px 11px; font-size:.72rem; font-weight:600; color:var(--nd-text); cursor:pointer; transition:all .2s; font-family:var(--nd-font); }
.nd-chip:hover { border-color:var(--nd-red); color:var(--nd-red); }

/* Check Button */
.nd-check-btn { display:flex; align-items:center; justify-content:center; gap:10px; width:calc(100% - 32px); margin:8px 16px 16px; padding:15px; background:linear-gradient(135deg,var(--nd-red-d),var(--nd-red),#ef4444); color:#fff; border:none; border-radius:var(--nd-radius); font-size:.95rem; font-weight:800; cursor:pointer; transition:all .25s; box-shadow:0 4px 18px rgba(220,38,38,.4); font-family:var(--nd-font); }
.nd-check-btn:hover:not(:disabled) { transform:translateY(-2px); box-shadow:0 8px 28px rgba(220,38,38,.55); }
.nd-check-btn:disabled { opacity:.55; cursor:not-allowed; transform:none; }

/* Trust */
.nd-trust { display:flex; align-items:center; justify-content:space-around; padding:12px 16px; background:var(--nd-red-bg); border-top:1px solid var(--nd-border); }
.nd-trust-stat { display:flex; flex-direction:column; align-items:center; gap:1px; }
.nd-trust-stat span  { font-size:1.1rem; }
.nd-trust-stat b     { font-size:.78rem; font-weight:900; color:var(--nd-red-d); }
.nd-trust-stat small { font-size:.6rem; color:var(--nd-muted); text-transform:uppercase; letter-spacing:.5px; }
.nd-trust-div { width:1px; height:28px; background:var(--nd-border-d); }

/* Result Column */
.nd-result-col { background:var(--nd-surface); border:1px solid var(--nd-border); border-radius:var(--nd-radius-lg); overflow:hidden; box-shadow:var(--nd-shadow); min-height:480px; display:flex; flex-direction:column; }

/* States */
.nd-state { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:32px 24px; text-align:center; gap:10px; }
.nd-ph-anim { position:relative; width:110px; height:110px; margin-bottom:8px; }
.nd-ph-ring { position:absolute; border-radius:50%; border:2px solid rgba(220,38,38,.18); animation:ndPulse 2.5s ease-out infinite; }
.nd-ph-ring.r1{inset:0;animation-delay:0s}
.nd-ph-ring.r2{inset:-12px;animation-delay:.7s}
.nd-ph-ring.r3{inset:-24px;animation-delay:1.4s}
@keyframes ndPulse{0%{opacity:.7;transform:scale(.85)}100%{opacity:0;transform:scale(1.3)}}
.nd-ph-center { position:absolute; inset:12px; background:linear-gradient(135deg,var(--nd-red-d),var(--nd-red)); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:2.4rem; box-shadow:0 6px 20px rgba(220,38,38,.35); }
.nd-state h3    { font-size:1.2rem; font-weight:800; color:var(--nd-red-d); margin:0; font-family:var(--nd-font); }
.nd-state p     { font-size:.86rem; color:var(--nd-muted); max-width:340px; line-height:1.6; margin:0; font-family:var(--nd-font); }
.nd-state h4    { font-size:.95rem; font-weight:700; color:var(--nd-red); margin:6px 0 0; }
.nd-ph-hi-p     { font-size:.82rem!important; }
.nd-ph-tags     { display:flex; flex-wrap:wrap; gap:6px; justify-content:center; margin-top:4px; }
.nd-ph-tags span { background:var(--nd-red-bg); border:1px solid var(--nd-border); border-radius:20px; padding:4px 12px; font-size:.72rem; color:var(--nd-text); font-weight:500; }

/* Loading */
.nd-load-anim  { width:64px; height:64px; margin:0 auto 14px; }
.nd-load-icon  { font-size:2.8rem; display:block; text-align:center; animation:ndSpin 1.4s ease-in-out infinite; }
@keyframes ndSpin{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(1.2) rotate(15deg)}}
.nd-load-title { font-size:1.1rem; font-weight:800; color:var(--nd-red-d); font-family:var(--nd-font); }
.nd-load-sub   { font-size:.82rem; color:var(--nd-muted); }
.nd-load-bar   { width:240px; height:6px; background:var(--nd-border); border-radius:6px; overflow:hidden; margin:12px auto; }
.nd-load-fill  { height:100%; background:linear-gradient(90deg,var(--nd-red-d),var(--nd-red),var(--nd-red-l)); border-radius:6px; width:0%; transition:width 1s ease; }
.nd-load-steps { display:flex; flex-direction:column; gap:8px; }
.nd-ls { font-size:.8rem; color:var(--nd-muted); padding:6px 14px; border-radius:20px; transition:all .3s; font-family:var(--nd-font); }
.nd-ls.active  { background:rgba(220,38,38,.08); color:var(--nd-red-d); font-weight:700; }

/* Error */
.nd-err-icon  { font-size:3rem; }
.nd-err-title { font-size:1.1rem; font-weight:800; color:var(--nd-red); font-family:var(--nd-font); }
.nd-err-msg   { font-size:.85rem; color:var(--nd-muted); max-width:320px; text-align:center; font-family:var(--nd-font); }
.nd-err-retry { background:var(--nd-red); color:#fff; border:none; border-radius:var(--nd-radius); padding:10px 22px; font-size:.85rem; font-weight:700; cursor:pointer; font-family:var(--nd-font); margin-top:8px; transition:background .2s; }
.nd-err-retry:hover { background:var(--nd-red-d); }

/* Result Header */
.nd-res-header { padding:18px 20px 14px; border-bottom:1px solid var(--nd-border); background:linear-gradient(135deg,rgba(127,29,29,.05),rgba(248,113,113,.03)); font-family:var(--nd-font); }
.nd-rh-name   { font-size:1.4rem; font-weight:900; color:var(--nd-text); margin-bottom:3px; }
.nd-rh-symbol { font-size:.82rem; font-style:italic; color:var(--nd-muted); margin-bottom:8px; }
.nd-rh-badges { display:flex; flex-wrap:wrap; gap:6px; }
.nd-rh-badge  { display:inline-flex; align-items:center; gap:4px; padding:4px 12px; border-radius:20px; font-size:.72rem; font-weight:700; border:1px solid; font-family:var(--nd-font); }
.nd-badge-high    { background:rgba(22,163,74,.1); color:#065f46; border-color:rgba(22,163,74,.3); }
.nd-badge-medium  { background:rgba(245,158,11,.1); color:#92400e; border-color:rgba(245,158,11,.3); }
.nd-badge-low     { background:rgba(220,38,38,.1); color:#991b1b; border-color:rgba(220,38,38,.3); }
.nd-badge-severe  { background:rgba(220,38,38,.12); color:#7f1d1d; border-color:rgba(220,38,38,.3); animation:ndBlink 1.5s ease-in-out infinite; }
@keyframes ndBlink{0%,100%{opacity:1}50%{opacity:.65}}
.nd-badge-default { background:rgba(107,114,128,.1); color:#374151; border-color:rgba(107,114,128,.25); }

/* NPK Impact Bars — PREMIUM visual */
.nd-npk-bars { padding:14px 20px; border-bottom:1px solid var(--nd-border); background:var(--nd-red-bg); }
.nd-npk-title { font-size:.68rem; font-weight:800; color:var(--nd-red-d); text-transform:uppercase; letter-spacing:.8px; margin-bottom:10px; font-family:var(--nd-font); }
.nd-npk-row   { display:flex; align-items:center; gap:10px; margin-bottom:7px; }
.nd-npk-label { font-size:.78rem; font-weight:800; width:90px; flex-shrink:0; font-family:var(--nd-font); }
.nd-npk-label.N { color:#16a34a; }
.nd-npk-label.P { color:#dc2626; }
.nd-npk-label.K { color:#7c3aed; }
.nd-npk-track { flex:1; height:10px; background:#f3f4f6; border-radius:10px; overflow:hidden; }
.nd-npk-fill  { height:100%; border-radius:10px; transition:width .8s ease; }
.nd-npk-fill.N { background:linear-gradient(90deg,#15803d,#4ade80); }
.nd-npk-fill.P { background:linear-gradient(90deg,#991b1b,#f87171); }
.nd-npk-fill.K { background:linear-gradient(90deg,#5b21b6,#a78bfa); }
.nd-npk-impact{ font-size:.72rem; font-weight:800; width:60px; text-align:right; flex-shrink:0; font-family:var(--nd-font); }
.nd-npk-impact.affected { color:var(--nd-red); }
.nd-npk-impact.normal   { color:var(--nd-muted); }

/* Tabs */
.nd-res-tabs-bar { border-bottom:1px solid var(--nd-border); background:var(--nd-red-bg); overflow-x:auto; }
.nd-res-tabs { display:flex; min-width:max-content; }
.nd-res-tab  { flex:1; min-width:90px; padding:11px 12px; border:none; background:none; border-bottom:2px solid transparent; font-size:.76rem; font-weight:700; color:var(--nd-muted); cursor:pointer; transition:all .2s; white-space:nowrap; font-family:var(--nd-font); }
.nd-res-tab.active { color:var(--nd-red); border-bottom-color:var(--nd-red); background:#fff; }
.nd-res-tab:hover:not(.active) { color:var(--nd-text); background:rgba(220,38,38,.04); }
.nd-res-tab-body { padding:18px 20px; font-family:var(--nd-font); }

/* Diagnosis tab */
.nd-ov-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:14px; }
.nd-ov-card { background:var(--nd-red-bg); border:1px solid var(--nd-border); border-radius:var(--nd-radius); padding:12px 14px; }
.nd-ov-label{ font-size:.65rem; font-weight:800; color:var(--nd-red); text-transform:uppercase; letter-spacing:.8px; margin-bottom:4px; }
.nd-ov-val  { font-size:.88rem; font-weight:600; color:var(--nd-text); }
.nd-desc-box{ background:#fff; border:1px solid var(--nd-border); border-radius:var(--nd-radius); padding:14px; font-size:.86rem; color:#374151; line-height:1.7; margin-bottom:12px; }

/* Symptom / cause list */
.nd-list { display:flex; flex-direction:column; gap:7px; margin-bottom:12px; }
.nd-list-item { display:flex; align-items:flex-start; gap:9px; padding:10px 13px; border-radius:var(--nd-radius); font-size:.84rem; color:var(--nd-text); line-height:1.5; font-family:var(--nd-font); }
.nd-list-item.symptom { background:rgba(220,38,38,.05); border:1px solid rgba(220,38,38,.14); }
.nd-list-item.cause   { background:rgba(245,158,11,.05); border:1px solid rgba(245,158,11,.18); }
.nd-list-bullet { flex-shrink:0; font-size:1rem; }

/* Fix cards */
.nd-fix-list { display:flex; flex-direction:column; gap:10px; }
.nd-fix-item { display:flex; align-items:flex-start; gap:12px; padding:14px; border-radius:var(--nd-radius); border:1px solid; font-family:var(--nd-font); }
.nd-fix-item.organic  { background:rgba(22,163,74,.05); border-color:rgba(22,163,74,.2); }
.nd-fix-item.chemical { background:rgba(99,102,241,.05); border-color:rgba(99,102,241,.2); }
.nd-fix-icon  { font-size:1.4rem; flex-shrink:0; margin-top:2px; }
.nd-fix-label { font-size:.68rem; font-weight:800; text-transform:uppercase; letter-spacing:.8px; margin-bottom:4px; }
.nd-fix-item.organic  .nd-fix-label { color:#065f46; }
.nd-fix-item.chemical .nd-fix-label { color:#3730a3; }
.nd-fix-text  { font-size:.84rem; color:#374151; line-height:1.6; }

/* Prevention */
.nd-prevent-list { display:flex; flex-direction:column; gap:8px; }
.nd-prevent-item { display:flex; align-items:flex-start; gap:9px; padding:10px 14px; background:var(--nd-green-bg); border:1px solid rgba(22,163,74,.2); border-radius:var(--nd-radius); font-size:.84rem; color:var(--nd-text); line-height:1.5; font-family:var(--nd-font); }
.nd-prevent-item::before { content:'🛡️'; flex-shrink:0; }

/* Recovery + pH */
.nd-info-row { display:flex; gap:10px; margin-bottom:12px; flex-wrap:wrap; }
.nd-info-card { flex:1; min-width:140px; background:#fff; border:1px solid var(--nd-border); border-radius:var(--nd-radius); padding:12px 14px; }
.nd-info-label { font-size:.62rem; font-weight:800; color:var(--nd-red); text-transform:uppercase; letter-spacing:.6px; margin-bottom:4px; }
.nd-info-val   { font-size:.9rem; font-weight:700; color:var(--nd-text); }

/* Fact + Warning */
.nd-fact-box { background:linear-gradient(135deg,rgba(220,38,38,.06),rgba(248,113,113,.03)); border:1px solid var(--nd-border-d); border-radius:var(--nd-radius); padding:14px; margin-top:12px; }
.nd-fact-title { font-size:.68rem; font-weight:800; color:var(--nd-red); text-transform:uppercase; letter-spacing:.8px; margin-bottom:6px; }
.nd-fact-text  { font-size:.85rem; color:#374151; line-height:1.7; }
.nd-warn-box   { background:rgba(251,191,36,.07); border:1px solid rgba(251,191,36,.28); border-radius:var(--nd-radius); padding:12px 14px; font-size:.82rem; color:#92400e; display:flex; gap:8px; margin-top:10px; line-height:1.6; }

/* Actions */
.nd-res-actions { display:flex; gap:8px; padding:16px 20px; border-top:1px solid var(--nd-border); background:var(--nd-red-bg); flex-wrap:wrap; }
.nd-act-wa      { background:#25d366; color:#fff; border:none; border-radius:var(--nd-radius); padding:10px 18px; font-size:.82rem; font-weight:700; cursor:pointer; transition:all .2s; font-family:var(--nd-font); }
.nd-act-wa:hover { background:#20b857; }
.nd-act-copy, .nd-act-new { background:#fff; color:var(--nd-text); border:1.5px solid var(--nd-border-d); border-radius:var(--nd-radius); padding:10px 16px; font-size:.82rem; font-weight:600; cursor:pointer; transition:all .2s; font-family:var(--nd-font); }
.nd-act-copy:hover { border-color:var(--nd-red); color:var(--nd-red); }
.nd-act-new:hover  { border-color:var(--nd-muted); }

/* SEO */
.nd-seo-section { background:#fff; padding:56px 0; border-top:1px solid var(--nd-border); content-visibility:auto; contain-intrinsic-size:0 600px; }
.nd-seo-grid { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
@media(max-width:768px){ .nd-seo-grid{grid-template-columns:1fr;} }
.nd-seo-card    { border-radius:var(--nd-radius); padding:24px; }
.nd-seo-card.en { background:var(--nd-red-bg); border:1px solid var(--nd-border); }
.nd-seo-card.hi { background:#fff8f1; border:1px solid #fed7aa; }
.nd-seo-card h2 { font-size:1.1rem; font-weight:800; color:var(--nd-red-d); margin:0 0 10px; line-height:1.4; font-family:var(--nd-font); }
.nd-seo-card.hi h2 { color:#9a3412; }
.nd-seo-card p  { font-size:.875rem; color:#374151; line-height:1.8; margin:0; font-family:var(--nd-font); }

.pi-disclaimer { background:#fffbeb; border:1px solid #fde68a; border-radius:var(--nd-radius); padding:14px 18px; font-size:.82rem; color:#92400e; line-height:1.6; margin:20px 0 28px; }

@media(max-width:480px){
    .nd-hero        { padding:36px 16px 44px; }
    .nd-tool-section{ padding:20px 0 36px; }
    .nd-mode-content{ padding:12px; }
    .nd-check-btn   { margin:6px 12px 12px; width:calc(100% - 24px); }
    .nd-res-tab-body{ padding:14px; }
    .nd-ov-grid     { grid-template-columns:1fr; }
    .nd-npk-label   { width:70px; font-size:.7rem; }
    .nd-seo-section { padding:36px 0; }
}