/* ===================================================================
   Hanzijo Website — Main Stylesheet
   Warm theme · amber accent (#F5C84B) · deep amber ink (#765B00)
   Plus Jakarta Sans (UI) + Noto Sans SC (hanzi). Distinct from Kanjijo.
   =================================================================== */

/* --- Design tokens --- */
:root{
  --amber:#F5C84B;          /* brand surface / button */
  --amber-deep:#765B00;     /* brand ink / shadow */
  --amber-dark:#D4A017;     /* hover */
  --amber-soft:#FFE9A8;     /* light container */
  --cream:#FFFBF0;          /* page background */
  --cream-2:#FFF7E4;        /* alt section */
  --cream-3:#FEF3D6;        /* deeper cream */
  --ink:#2A2118;            /* primary text (warm near-black) */
  --ink-2:#7A6E5C;          /* secondary text */
  --ink-3:#A99E8B;          /* muted */
  --line:#F0E6CF;           /* hairline border */
  --paper:#ffffff;          /* card surface */
  --night:#1C1813;          /* dark sections */
  /* Mandarin tone colors */
  --t1:#E53935; --t2:#FB8C00; --t3:#2E9E4F; --t4:#1E88E5; --t5:#9E9E9E;
  --pink:#FD8CA0; --cyan:#3FB6E6; --jade:#5BA86A;
  --radius:18px;
  --shadow-sm:0 2px 12px rgba(118,91,0,.06);
  --shadow:0 12px 40px rgba(118,91,0,.10);
  --shadow-lg:0 30px 80px rgba(118,91,0,.16);
}

/* --- Reset & base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;line-height:1.6;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .25s}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.zh{font-family:'Noto Sans SC','Plus Jakarta Sans',sans-serif}

/* --- Utility --- */
.text-gradient{background:linear-gradient(120deg,#E6A100,#D4761A 55%,#B8430E);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.section-header{text-align:center;max-width:720px;margin:0 auto 60px}
.section-tag{display:inline-block;padding:6px 16px;border-radius:50px;background:rgba(245,200,75,.18);color:#9a7a00;font-size:.8rem;font-weight:700;margin-bottom:16px;letter-spacing:.08em;text-transform:uppercase}
.section-title{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.02em;margin-bottom:16px;color:var(--ink)}
.section-subtitle{font-size:1.05rem;color:var(--ink-2);line-height:1.75}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:14px;font-weight:700;font-size:.95rem;transition:transform .25s ease,box-shadow .25s ease,border-color .25s,color .25s;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:linear-gradient(135deg,#FFD964,#F5C84B 45%,#E9B11F);color:#5b4500;box-shadow:0 6px 20px rgba(233,177,31,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(233,177,31,.55)}
.btn-outline{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn-outline:hover{border-color:var(--amber);color:#9a7a00}
.btn-lg{padding:15px 34px;font-size:1rem}
.btn-block{width:100%;justify-content:center}

/* =================================================================
   NAVBAR
   ================================================================= */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:12px 0;transition:all .3s ease;background:rgba(255,251,240,.82);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.navbar.scrolled{box-shadow:0 1px 24px rgba(118,91,0,.08);padding:8px 0;background:rgba(255,251,240,.94)}
.nav-container{display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem;letter-spacing:-.01em}
.logo-icon img{border-radius:11px;box-shadow:0 3px 10px rgba(118,91,0,.18)}
.nav-links{display:flex;gap:30px}
.nav-links a{font-size:.9rem;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{color:#9a7a00}
.nav-actions{display:flex;align-items:center;gap:16px}
.btn-nav{padding:9px 20px;font-size:.85rem;border-radius:11px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px;transition:all .3s ease}

@media(max-width:880px){
  .nav-links{display:none;position:fixed;top:60px;left:0;right:0;background:var(--cream);flex-direction:column;gap:0;padding:16px 24px 24px;box-shadow:0 8px 32px rgba(118,91,0,.12);border-radius:0 0 22px 22px;z-index:999}
  .nav-links.active{display:flex}
  .nav-links a{padding:15px 18px;font-size:1.05rem;color:#5b5040;border-bottom:1px solid var(--line);border-radius:12px;margin-bottom:4px;transition:all .2s ease}
  .nav-links a:last-child{border-bottom:none}
  .nav-links a:hover,.nav-links a:active{background:rgba(245,200,75,.14);color:#9a7a00}
  .nav-toggle{display:flex}
  .btn-nav{display:none}
}

/* =================================================================
   HERO
   ================================================================= */
.hero{position:relative;padding:150px 0 90px;overflow:hidden;background:radial-gradient(1100px 520px at 50% -8%,#FFF1C9 0%,rgba(255,247,228,0) 60%),linear-gradient(180deg,#FFF7E4 0%,#FFFBF0 70%)}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(212,160,23,.10) 1px,transparent 1px);background-size:26px 26px;-webkit-mask-image:radial-gradient(700px 360px at 50% 12%,#000,transparent 80%);mask-image:radial-gradient(700px 360px at 50% 12%,#000,transparent 80%);pointer-events:none}
.hero-content{position:relative;z-index:2;text-align:center;max-width:780px;margin:0 auto}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:50px;background:#fff;border:1px solid var(--line);color:#9a7a00;font-size:.82rem;font-weight:700;margin-bottom:22px;box-shadow:var(--shadow-sm)}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--jade);box-shadow:0 0 0 4px rgba(91,168,106,.18)}
.hero-title{font-size:clamp(2.3rem,5.4vw,3.7rem);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-bottom:22px;color:var(--ink)}
.hero-description{font-size:1.12rem;color:var(--ink-2);line-height:1.75;margin:0 auto 34px;max-width:620px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.hero-stats{display:flex;gap:26px;align-items:center;justify-content:center}
.stat-item{text-align:center}
.stat-number{display:block;font-size:1.5rem;font-weight:800;color:#9a7a00}
.stat-label{font-size:.78rem;color:var(--ink-3);font-weight:600}
.stat-divider{width:1px;height:38px;background:var(--line)}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0;z-index:1;line-height:0}
.hero-wave svg{display:block;width:100%;height:auto}

/* Hero device row */
.hero-devices{position:relative;z-index:2;display:flex;justify-content:center;align-items:flex-end;gap:24px;margin-top:54px;flex-wrap:wrap}
.hero-devices .phone{transform:translateY(0)}
.hero-devices .phone.tilt-l{transform:rotate(-4deg) translateY(10px)}
.hero-devices .phone.tilt-r{transform:rotate(4deg) translateY(10px)}
@media(max-width:768px){
  .hero{padding:128px 0 64px}
  .hero-devices{gap:14px;margin-top:40px}
  .hero-devices .phone.tilt-l,.hero-devices .phone.tilt-r{display:none}
}

/* =================================================================
   PHONE MOCKUP (pure CSS — no screenshots)
   ================================================================= */
.phone{width:248px;flex:0 0 auto;background:#15110b;border-radius:38px;padding:11px;box-shadow:var(--shadow-lg);position:relative;transition:transform .4s ease,box-shadow .4s ease}
.phone:hover{transform:translateY(-8px)}
.phone .notch{position:absolute;top:18px;left:50%;transform:translateX(-50%);width:96px;height:24px;background:#15110b;border-radius:0 0 16px 16px;z-index:5}
.phone .screen{position:relative;border-radius:28px;overflow:hidden;aspect-ratio:9/19.3;background:var(--cream);display:flex;flex-direction:column}
.phone-sm{width:210px}

/* status bar */
.scr-status{display:flex;justify-content:space-between;align-items:center;padding:14px 20px 6px;font-size:.62rem;font-weight:700;color:var(--ink)}
.scr-status .dots{display:flex;gap:3px}
.scr-status .dots i{width:5px;height:5px;border-radius:50%;background:var(--ink);opacity:.7;display:inline-block}

/* generic app top bar */
.scr-top{display:flex;align-items:center;justify-content:space-between;padding:6px 18px 14px}
.scr-top h4{font-size:.84rem;font-weight:800;color:var(--ink)}
.scr-top .pill{font-size:.58rem;font-weight:800;color:#5b4500;background:var(--amber);padding:4px 9px;border-radius:50px}

/* ---- Flashcard screen ---- */
.fc-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:8px 16px 18px;text-align:center;background:linear-gradient(180deg,#FFFDF7,#FFF6DF)}
.fc-card{width:100%;background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px 16px 18px;box-shadow:0 12px 30px rgba(118,91,0,.10)}
.fc-hanzi{font-size:4.6rem;line-height:1;font-weight:600;color:var(--ink);margin-bottom:10px}
.fc-pinyin{font-size:1.15rem;font-weight:800;letter-spacing:.01em;margin-bottom:6px}
.fc-meaning{font-size:.82rem;color:var(--ink-2);font-weight:600;margin-bottom:14px}
.fc-mnemonic{font-size:.62rem;line-height:1.5;color:#8a5a00;background:#FFF3CF;border-radius:12px;padding:9px 11px;text-align:left}
.fc-mnemonic b{color:#6d4a00}
.fc-actions{display:flex;gap:8px;width:100%;margin-top:14px}
.fc-actions span{flex:1;font-size:.6rem;font-weight:800;padding:9px 0;border-radius:11px;color:#fff}
.fc-again{background:#EF6C6C}.fc-hard{background:#F3A53B}.fc-good{background:#5BA86A}.fc-easy{background:#3FA3D6}

/* ---- Lesson list screen ---- */
.ll-screen{flex:1;padding:2px 14px 14px;overflow:hidden;background:linear-gradient(180deg,#FFFDF7,#FFFBF0)}
.ll-row{display:flex;align-items:center;gap:11px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px 12px;margin-bottom:9px;box-shadow:var(--shadow-sm)}
.ll-badge{width:34px;height:34px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.66rem;color:#5b4500;flex-shrink:0}
.ll-txt{flex:1;text-align:left;min-width:0}
.ll-txt b{display:block;font-size:.72rem;color:var(--ink);font-weight:800}
.ll-txt small{font-size:.58rem;color:var(--ink-3);font-weight:600}
.ll-bar{height:5px;border-radius:50px;background:#F0E6CF;margin-top:5px;overflow:hidden}
.ll-bar i{display:block;height:100%;border-radius:50px;background:linear-gradient(90deg,var(--amber),var(--amber-dark))}
.ll-check{width:20px;height:20px;border-radius:50%;background:var(--jade);color:#fff;font-size:.6rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ll-lock{font-size:.8rem;opacity:.35}

/* ---- Lock screen widget ---- */
.lock-screen{flex:1;display:flex;flex-direction:column;align-items:center;padding:20px 16px;background:linear-gradient(180deg,#2b2418,#1a150d);color:#fff;position:relative}
.lock-time{font-size:2.7rem;font-weight:700;letter-spacing:-.02em;margin-top:8px}
.lock-date{font-size:.66rem;opacity:.7;margin-bottom:20px;font-weight:600}
.lock-widget{width:100%;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:14px;text-align:center}
.lock-widget .lw-label{font-size:.52rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;opacity:.7;margin-bottom:7px}
.lock-widget .lw-hanzi{font-size:2.3rem;font-weight:600;line-height:1.1}
.lock-widget .lw-pinyin{font-size:.82rem;font-weight:800;margin-top:3px}
.lock-widget .lw-mean{font-size:.62rem;opacity:.85;margin-top:2px}

/* ---- Mock HSK test ---- */
.test-screen{flex:1;padding:4px 14px 14px;background:linear-gradient(180deg,#FFFDF7,#FFFBF0)}
.test-q{background:#fff;border:1px solid var(--line);border-radius:15px;padding:13px;margin-bottom:11px;box-shadow:var(--shadow-sm)}
.test-q .qn{font-size:.55rem;font-weight:800;color:#9a7a00;letter-spacing:.08em;text-transform:uppercase}
.test-q .qt{font-size:.74rem;color:var(--ink);font-weight:700;margin-top:5px;line-height:1.5}
.test-opt{display:flex;align-items:center;gap:8px;font-size:.66rem;font-weight:700;color:var(--ink-2);padding:8px 10px;border:1px solid var(--line);border-radius:11px;margin-bottom:7px}
.test-opt .k{width:16px;height:16px;border-radius:5px;background:#F4ECD6;color:#8a6d1e;font-size:.54rem;display:flex;align-items:center;justify-content:center;font-weight:800}
.test-opt.correct{background:#EAF7EC;border-color:#9BD3A6;color:#2f7a40}
.test-opt.correct .k{background:#5BA86A;color:#fff}

/* ---- OCR scan ---- */
.ocr-screen{flex:1;position:relative;background:#15120b;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.ocr-sign{position:absolute;inset:0;background:linear-gradient(135deg,#3a3326,#1d180f);display:flex;align-items:center;justify-content:center}
.ocr-sign .board{background:#b32a26;color:#ffe;border-radius:6px;padding:14px 22px;font-size:1.9rem;font-weight:600;letter-spacing:6px;box-shadow:0 10px 30px rgba(0,0,0,.4)}
.ocr-frame{position:absolute;top:30%;left:14%;right:14%;height:64px;border:2px solid var(--amber);border-radius:10px;box-shadow:0 0 0 2000px rgba(0,0,0,.28)}
.ocr-frame::after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:var(--amber);box-shadow:0 0 12px var(--amber)}
.ocr-result{position:relative;z-index:3;background:#fff;border-radius:20px 20px 0 0;padding:14px 16px 18px;box-shadow:0 -8px 24px rgba(0,0,0,.2)}
.ocr-result .orh{font-size:.55rem;font-weight:800;color:#9a7a00;letter-spacing:.1em;text-transform:uppercase;margin-bottom:9px}
.ocr-chip{display:inline-flex;align-items:center;gap:7px;background:#FFF6DF;border:1px solid var(--amber-soft);border-radius:11px;padding:7px 11px;margin:0 6px 6px 0}
.ocr-chip .h{font-size:1.1rem;font-weight:600;color:var(--ink)}
.ocr-chip .p{font-size:.62rem;font-weight:800}

/* ---- Tone trainer ---- */
.tone-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:14px;background:linear-gradient(180deg,#FFFDF7,#FFF6DF)}
.tone-big{font-size:3.4rem;font-weight:600;color:var(--ink)}
.tone-row{display:flex;gap:8px}
.tone-pill{font-size:.78rem;font-weight:800;padding:9px 13px;border-radius:13px;color:#fff;box-shadow:0 6px 14px rgba(0,0,0,.12)}
.tone-wave{display:flex;align-items:flex-end;gap:5px;height:42px}
.tone-wave i{width:8px;border-radius:6px;background:var(--amber)}

/* tab bar */
.scr-tabbar{display:flex;justify-content:space-around;align-items:center;padding:9px 8px 12px;background:#fff;border-top:1px solid var(--line)}
.scr-tabbar i{width:20px;height:20px;border-radius:7px;background:#EFE6CF;display:block}
.scr-tabbar i.on{background:var(--amber)}

/* =================================================================
   FEATURES
   ================================================================= */
.features{padding:100px 0;background:var(--cream)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{padding:30px 26px;border-radius:var(--radius);background:var(--paper);border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.feature-icon{width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-card h3{font-size:1.08rem;font-weight:800;margin-bottom:9px;color:var(--ink)}
.feature-card p{font-size:.88rem;color:var(--ink-2);line-height:1.7}
@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.features-grid{grid-template-columns:1fr}}

/* =================================================================
   APP SHOWCASE (CSS mockups grid)
   ================================================================= */
.showcase{padding:100px 0;background:linear-gradient(180deg,#FFF7E4,#FFFBF0)}
.showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 24px;max-width:1000px;margin:0 auto;justify-items:center}
.showcase-item{text-align:center;max-width:280px}
.showcase-item .phone{margin:0 auto 20px}
.showcase-item h3{font-size:1.08rem;font-weight:800;margin-bottom:8px;color:var(--ink)}
.showcase-item p{font-size:.88rem;color:var(--ink-2);line-height:1.65}
@media(max-width:880px){.showcase-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.showcase-grid{grid-template-columns:1fr}}

/* =================================================================
   SPLIT SHOWCASE (text + mockup)
   ================================================================= */
.split{padding:100px 0}
.split.alt{background:linear-gradient(180deg,#FFFBF0,#FFF7E4)}
.split-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;max-width:1080px;margin:0 auto}
.split.reverse .split-text{order:2}
.split-text .section-tag{margin-bottom:14px}
.split-text h2{font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:16px;color:var(--ink)}
.split-text p{font-size:1rem;color:var(--ink-2);line-height:1.75;margin-bottom:22px}
.split-list{display:flex;flex-direction:column;gap:13px}
.split-list li{display:flex;align-items:flex-start;gap:12px;font-size:.94rem;color:#4a4133;font-weight:600}
.split-check{flex-shrink:0;width:26px;height:26px;border-radius:9px;background:linear-gradient(135deg,#FFD964,#E9B11F);color:#5b4500;font-size:.7rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.split-visual{display:flex;justify-content:center}
@media(max-width:880px){
  .split-inner{grid-template-columns:1fr;gap:44px;text-align:center}
  .split.reverse .split-text{order:0}
  .split-list{display:inline-flex;text-align:left}
  .split-text .section-tag,.split-text h2{text-align:center}
}

/* =================================================================
   HOW IT WORKS
   ================================================================= */
.how{padding:100px 0;background:var(--cream)}
.steps{display:flex;align-items:flex-start;justify-content:center;flex-wrap:wrap;gap:0}
.step{flex:0 1 185px;text-align:center;padding:22px 14px}
.step-connector{display:flex;align-items:center;padding-top:38px}
.step-num{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#FFD964,#E9B11F);color:#5b4500;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.05rem;margin:0 auto 16px;box-shadow:0 6px 16px rgba(233,177,31,.35)}
.step h3{font-size:.95rem;font-weight:800;margin-bottom:7px;color:var(--ink)}
.step p{font-size:.8rem;color:var(--ink-2);line-height:1.6}
@media(max-width:880px){
  .steps{flex-direction:column;align-items:center}
  .step{flex:none;width:100%;max-width:320px}
  .step-connector{transform:rotate(90deg);padding:6px 0}
}

/* =================================================================
   CONTENT TYPES (HSK tracks)
   ================================================================= */
.tracks{padding:100px 0;background:linear-gradient(180deg,#FFF7E4,#FFFBF0)}
.tracks-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1040px;margin:0 auto}
.track-card{background:var(--paper);border-radius:var(--radius);padding:32px 26px;text-align:center;border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease;position:relative;overflow:hidden}
.track-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent)}
.track-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.track-icon{font-size:2.6rem;font-weight:600;color:var(--accent);margin-bottom:12px;line-height:1}
.track-card h3{font-size:1.12rem;font-weight:800;margin-bottom:9px;color:var(--ink)}
.track-card p{font-size:.88rem;color:var(--ink-2);line-height:1.65;margin-bottom:14px}
.track-count{font-size:.76rem;font-weight:800;color:var(--accent);background:rgba(0,0,0,.035);padding:5px 13px;border-radius:50px}
@media(max-width:880px){.tracks-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.tracks-grid{grid-template-columns:1fr;max-width:400px}}

/* =================================================================
   TONE SECTION (Mandarin signature)
   ================================================================= */
.tones{padding:96px 0;background:var(--night);color:#fff;position:relative;overflow:hidden}
.tones::before{content:"";position:absolute;top:-160px;left:50%;transform:translateX(-50%);width:760px;height:760px;background:radial-gradient(circle,rgba(245,200,75,.10),transparent 70%);pointer-events:none}
.tones .section-tag{background:rgba(245,200,75,.16);color:var(--amber)}
.tones .section-title{color:#fff}
.tones .section-subtitle{color:#cabfa8}
.tone-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;max-width:920px;margin:0 auto;position:relative;z-index:2}
.tone-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:22px 14px;text-align:center}
.tone-card .tnum{font-size:.62rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;opacity:.65}
.tone-card .tsyl{font-size:2.2rem;font-weight:700;margin:8px 0 4px;color:var(--tc)}
.tone-card .tname{font-size:.72rem;font-weight:700;color:#cabfa8}
.tone-card .tmark{height:30px;margin-top:12px;display:flex;align-items:center;justify-content:center}
.tone-card .tmark svg{stroke:var(--tc);stroke-width:3;fill:none;stroke-linecap:round}
@media(max-width:760px){.tone-cards{grid-template-columns:repeat(2,1fr);max-width:380px}.tone-card:last-child{grid-column:1/3}}

/* =================================================================
   FEATURED BLOG
   ================================================================= */
.fblog{padding:100px 0;background:var(--cream)}
.fblog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;grid-auto-rows:1fr}
.fblog-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s ease,box-shadow .3s ease}
.fblog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.fblog-card.lg{grid-column:span 1}
.fb-tag{align-self:flex-start;font-size:.62rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#9a7a00;background:rgba(245,200,75,.18);padding:4px 11px;border-radius:50px;margin-bottom:14px}
.fblog-card h3{font-size:1.05rem;font-weight:800;line-height:1.4;color:var(--ink);margin-bottom:9px}
.fblog-card p{font-size:.86rem;color:var(--ink-2);line-height:1.6;flex:1}
.fb-read{margin-top:14px;font-size:.78rem;font-weight:800;color:#9a7a00}
.fblog-cta{text-align:center;margin-top:44px}
@media(max-width:880px){.fblog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.fblog-grid{grid-template-columns:1fr}}

/* =================================================================
   FAQ
   ================================================================= */
.faq{padding:100px 0;background:linear-gradient(180deg,#FFF7E4,#FFFBF0)}
.faq-list{max-width:740px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:15px;margin-bottom:12px;background:var(--paper);overflow:hidden;transition:all .3s ease}
.faq-item.active{border-color:var(--amber);box-shadow:0 6px 22px rgba(233,177,31,.14)}
.faq-question{width:100%;padding:18px 24px;border:none;background:none;text-align:left;font-size:.96rem;font-weight:800;color:var(--ink);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;font-family:inherit}
.faq-question::after{content:'+';font-size:1.4rem;color:var(--amber-dark);transition:transform .3s;font-weight:500;flex-shrink:0}
.faq-item.active .faq-question::after{content:'\2212'}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-answer p{padding:0 24px 18px;font-size:.9rem;color:var(--ink-2);line-height:1.75}
.faq-item.active .faq-answer{max-height:420px}

/* =================================================================
   DOWNLOAD CTA
   ================================================================= */
.download{padding:96px 0;text-align:center;background:radial-gradient(700px 360px at 50% 0,#FFE9A8,transparent 70%),linear-gradient(135deg,#FFF3CF,#FFF7E4)}
.download h2{font-size:clamp(1.7rem,3.4vw,2.3rem);font-weight:800;letter-spacing:-.02em;margin-bottom:12px;color:var(--ink)}
.download p{font-size:1.05rem;color:var(--ink-2);margin:0 auto 32px;max-width:560px}
.download-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.store-btn{display:flex;align-items:center;gap:11px;padding:13px 24px;background:#15110b;color:#fff;border-radius:14px;transition:transform .25s ease,box-shadow .25s ease}
.store-btn:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(21,17,11,.3)}
.store-btn small{display:block;font-size:.62rem;font-weight:500;line-height:1;opacity:.8}
.store-btn strong{font-size:1.05rem;line-height:1.2}
.store-btn-soon{opacity:.55;cursor:default;pointer-events:none;border:2px dashed #b8a888;background:transparent;color:var(--ink)}
.store-btn-soon:hover{transform:none;box-shadow:none}

/* =================================================================
   CROSS-PROMO (sister app — Kanjijo)
================================================================= */
.crosspromo{padding:72px 0;background:#fff}
.crosspromo-card{display:flex;align-items:center;gap:32px;max-width:920px;margin:0 auto;padding:36px 40px;border-radius:24px;background:linear-gradient(135deg,#f0fdf4,#e8f5e9);border:1px solid #c8e6c9;box-shadow:0 12px 40px rgba(76,175,80,.12)}
.crosspromo-logowrap{flex-shrink:0;line-height:0;display:block}
.crosspromo-logo{width:88px;height:88px;border-radius:20px;display:block;box-shadow:0 8px 22px rgba(0,0,0,.15);transition:transform .25s ease}
.crosspromo-logowrap:hover .crosspromo-logo{transform:translateY(-3px) scale(1.03)}
.crosspromo-body{flex:1;min-width:0}
.crosspromo-name{color:#2f7d2f;text-decoration:none;border-bottom:2px solid rgba(76,175,80,.4)}
.crosspromo-name:hover{border-bottom-color:#2f7d2f}
.crosspromo-visit{display:inline-block;margin-top:4px;color:#2f7d2f;font-weight:600;text-decoration:none;white-space:nowrap}
.crosspromo-visit:hover{text-decoration:underline}
.crosspromo-tag{display:inline-block;padding:5px 14px;border-radius:50px;background:rgba(76,175,80,.14);color:#2f7d2f;font-size:.78rem;font-weight:700;letter-spacing:.4px;text-transform:uppercase;margin-bottom:12px}
.crosspromo-body h2{font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:800;letter-spacing:-.02em;line-height:1.25;margin-bottom:10px;color:var(--ink)}
.crosspromo-body p{font-size:1rem;color:var(--ink-2);line-height:1.65;margin-bottom:22px;max-width:560px}
.crosspromo-buttons{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:680px){.crosspromo-card{flex-direction:column;text-align:center;padding:32px 22px}.crosspromo-body p{margin-left:auto;margin-right:auto}.crosspromo-buttons{justify-content:center}}

/* =================================================================
   FOOTER
   ================================================================= */
.footer{background:var(--night);color:#e8ddc6;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand p{margin-top:13px;font-size:.9rem;color:#b3a78f;max-width:280px}
.footer-brand .logo-text{color:#fff}
.footer-links h4{font-size:.88rem;font-weight:800;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.85rem;color:#b3a78f}
.footer-links a:hover{color:var(--amber)}
.footer-bottom{padding:20px 0;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:#9a8e76}
.footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom-links a{color:#9a8e76}
.footer-bottom-links a:hover{color:var(--amber)}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:12px;text-align:center}
}

/* =================================================================
   PAGE HERO + CONTENT (sub pages / legal)
   ================================================================= */
.page-hero{padding:140px 0 56px;background:radial-gradient(700px 320px at 50% -10%,#FFF1C9,transparent 65%),linear-gradient(180deg,#FFF7E4,#FFFBF0);text-align:center}
.page-hero h1{font-size:clamp(1.85rem,4vw,2.6rem);font-weight:800;letter-spacing:-.02em;margin-bottom:8px;color:var(--ink)}
.page-hero .subtitle,.page-hero p{color:var(--ink-2);font-size:.98rem}
.page-content{padding:58px 0 100px}
.page-content .container{max-width:820px}
.page-content h2{font-size:1.32rem;font-weight:800;color:var(--ink);margin:42px 0 16px;padding-bottom:9px;border-bottom:2px solid var(--cream-3)}
.page-content h3{font-size:1.05rem;font-weight:700;color:#3d342a;margin:24px 0 10px}
.page-content p{font-size:.96rem;color:#4f463a;line-height:1.8;margin-bottom:16px}
.page-content ul,.page-content ol{margin:0 0 16px 22px}
.page-content li{font-size:.96rem;color:#4f463a;line-height:1.8;margin-bottom:7px}
.page-content ul li{list-style:disc}.page-content ol li{list-style:decimal}
.page-content a{color:#b07d00;font-weight:700}
.page-content a:hover{text-decoration:underline}
.page-content strong{color:var(--ink)}
.info-card{background:linear-gradient(135deg,#FFF3CF,#FFF7E4);border-left:4px solid var(--amber);padding:20px 24px;border-radius:0 14px 14px 0;margin:24px 0}
.info-card p{margin-bottom:0;color:#7a5d00}
.contact-card{background:linear-gradient(135deg,#FFF3CF,#FFF7E4);padding:34px;border-radius:20px;text-align:center;margin:30px 0;border:1px solid var(--amber-soft)}
.contact-card h3{font-size:1.15rem;margin-bottom:8px;color:var(--ink)}
.contact-card a{font-size:1.1rem;font-weight:800;color:#b07d00}
.quick-answer{background:#FFF7E4;border:2px solid var(--amber);border-radius:16px;padding:22px 26px;margin:0 0 30px;position:relative}
.quick-answer::before{content:"✦ Quick Answer";display:block;font-size:.7rem;font-weight:800;color:#9a7a00;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
.quick-answer p{margin:0;font-size:1.04rem;line-height:1.7;color:var(--ink);font-weight:500}

/* about + support grids */
.about-grid,.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin:30px 0}
.about-card,.support-card{background:var(--paper);padding:26px;border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.about-card h3,.support-card h3{margin-top:0;color:var(--ink);font-size:1.08rem;margin-bottom:8px}
.about-card p,.support-card p{margin-bottom:0;font-size:.92rem;color:var(--ink-2)}
@media(max-width:768px){.about-grid,.support-grid{grid-template-columns:1fr}}

/* contact form */
.contact-form{max-width:620px;margin:24px auto 40px}
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:.9rem;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:11px;font-family:inherit;font-size:.92rem;color:var(--ink);background:#fff;transition:border-color .25s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(245,200,75,.22)}
.form-group textarea{min-height:130px;resize:vertical}

/* =================================================================
   BLOG
   ================================================================= */
.blog-breadcrumb{font-size:.82rem;color:var(--ink-3);margin-bottom:14px}
.blog-breadcrumb a{color:var(--ink-2)}
.blog-breadcrumb a:hover{color:#9a7a00}
.blog-meta{font-size:.84rem;color:var(--ink-3);margin-top:12px;font-weight:600}
.blog-article .container{max-width:780px}
.blog-article h2{margin-top:46px;font-size:1.5rem}
.blog-article h3{font-size:1.15rem}
.blog-article p,.blog-article li{font-size:1rem;line-height:1.85}
.blog-lede{font-size:1.12rem;color:#4f463a;line-height:1.75;font-weight:500}
.blog-cta-box{background:linear-gradient(135deg,#FFF3CF,#FFF7E4);border:1px solid var(--amber-soft);border-radius:20px;padding:30px;text-align:center;margin:44px 0}
.blog-cta-box h3{font-size:1.25rem;font-weight:800;color:var(--ink);margin-bottom:10px}
.blog-cta-box p{font-size:.96rem;color:var(--ink-2);margin:0 auto 20px;max-width:520px}
.hz-example{display:flex;flex-wrap:wrap;gap:14px;margin:24px 0}
.hz-card{flex:1 1 150px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;text-align:center;box-shadow:var(--shadow-sm)}
.hz-card .h{font-size:2.4rem;font-weight:600;color:var(--ink);line-height:1.1}
.hz-card .p{font-size:.95rem;font-weight:800;margin:6px 0 2px}
.hz-card .m{font-size:.78rem;color:var(--ink-2);font-weight:600}
.pin-table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem}
.pin-table th,.pin-table td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.pin-table th{background:#FFF7E4;font-weight:800;color:var(--ink)}
.pin-table td .zh{font-size:1.15rem}
.tone1{color:var(--t1)}.tone2{color:var(--t2)}.tone3{color:var(--t3)}.tone4{color:var(--t4)}.tone5{color:var(--t5)}
.key-takeaways{background:#fff;border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:0 16px 16px 0;padding:22px 26px;margin:30px 0}
.key-takeaways h3{margin-top:0;color:var(--ink)}
.key-takeaways ul{margin:10px 0 0 20px}
.key-takeaways li{list-style:disc;margin-bottom:8px}

/* Blog index: search + categories + grid */
.blog-search{position:relative;max-width:560px;margin:0 auto 26px}
.blog-search input{width:100%;padding:14px 44px 14px 46px;border:1px solid var(--line);border-radius:14px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink)}
.blog-search input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(245,200,75,.2)}
.blog-search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.blog-search-clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.3rem;color:var(--ink-3);cursor:pointer;display:none}
.blog-categories{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin-bottom:34px}
.blog-cat-btn{font-family:inherit;font-size:.82rem;font-weight:700;color:var(--ink-2);background:#fff;border:1px solid var(--line);padding:8px 15px;border-radius:50px;cursor:pointer;transition:all .25s;display:inline-flex;align-items:center;gap:7px}
.blog-cat-btn:hover{border-color:var(--amber)}
.blog-cat-btn.active{background:linear-gradient(135deg,#FFD964,#E9B11F);color:#5b4500;border-color:transparent}
.cat-count{font-size:.7rem;background:rgba(0,0,0,.06);padding:1px 8px;border-radius:50px}
.blog-cat-btn.active .cat-count{background:rgba(255,255,255,.35)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.blog-card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .3s ease,box-shadow .3s ease}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.blog-card-tag{align-self:flex-start;font-size:.6rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#9a7a00;background:rgba(245,200,75,.18);padding:4px 11px;border-radius:50px;margin-bottom:13px}
.blog-card h3{font-size:1.02rem;font-weight:800;line-height:1.4;color:var(--ink);margin-bottom:8px}
.blog-card p{font-size:.85rem;color:var(--ink-2);line-height:1.6}
.blog-no-results{display:none;text-align:center;padding:50px 20px;color:var(--ink-2)}
.blog-no-results strong{display:block;font-size:1.1rem;color:var(--ink);margin-bottom:6px}
@media(max-width:880px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.blog-grid{grid-template-columns:1fr}}

/* scroll-reveal base */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}