/* ═══════════════════════════════════════════
  Studynook v2 — style.css
   Minimal · Monochrome · Vietnamese
═══════════════════════════════════════════ */
:root {
  --black: #0e0e0e;
  --white: #f7f4ef;
  --gray-100: #f0ece4;
  --gray-200: #e0dbd0;
  --gray-300: #ccc5b8;
  --gray-400: #a09880;
  --gray-600: #5a5548;
  --gray-800: #2a2820;
  --accent: #c8a96e;
  --accent-dark: #a8893e;
  --shopee: #ee4d2d;
  --tiktok: #010101;
  --font-display: 'Plus Jakarta Sans', 'Be Vietnam Pro', sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Be Vietnam Pro', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --transition: all 0.32s cubic-bezier(0.4,0,0.2,1);
  --shadow-sm: 0 4px 16px rgba(0,0,0,0.07);
  --shadow: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-lg: 0 24px 60px rgba(0,0,0,0.18);
  --radius: 3px;
  --radius-lg: 8px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{background:var(--white);color:var(--black);font-family:var(--font-body);font-weight:300;line-height:1.7;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea,select{font-family:var(--font-body)}
img{max-width:100%;height:auto}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-track{background:var(--gray-100)}
::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:2px}

/* ── NAVBAR ── */
#navbar{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;justify-content:space-between;align-items:center;padding:1.3rem 3rem;background:rgba(247,244,239,0.93);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:var(--transition)}
#navbar.scrolled{border-bottom-color:var(--gray-200);box-shadow:var(--shadow-sm)}
.nav-logo{font-family:var(--font-display);font-size:1.5rem;font-weight:600;letter-spacing:0.22em}
.nav-links{display:flex;gap:2rem;align-items:center;font-size:0.8rem;letter-spacing:0.1em;text-transform:uppercase}
.nav-links a{color:var(--gray-600);transition:var(--transition);position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--black)}
.nav-links a.active::after{content:'';position:absolute;bottom:-3px;left:0;right:0;height:1.5px;background:var(--black)}
.nav-icon{font-size:1rem!important;text-transform:none!important;letter-spacing:0!important}
.cart-icon{position:relative}
.cart-count{background:var(--black);color:var(--white);font-size:0.6rem;padding:0.1rem 0.35rem;border-radius:10px;font-family:var(--font-mono)}
.nav-mobile-toggle{display:none;font-size:1.3rem;color:var(--black)}
.mobile-menu{display:none;position:fixed;top:65px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--gray-200);z-index:199;flex-direction:column;padding:1rem 2rem 1.5rem}
.mobile-menu a{padding:0.7rem 0;border-bottom:1px solid var(--gray-100);font-size:0.9rem;color:var(--gray-600)}
.mobile-menu.open{display:flex}

/* ── BUTTONS ── */
.btn-primary{display:inline-block;padding:.85rem 2rem;background:var(--black);color:var(--white)!important;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;border-radius:var(--radius);transition:var(--transition);font-family:var(--font-body);border:1.5px solid var(--black)}
.btn-primary:hover{background:var(--gray-800);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-secondary{display:inline-block;padding:.85rem 2rem;background:transparent;color:var(--black)!important;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;border-radius:var(--radius);border:1.5px solid var(--black);transition:var(--transition);font-family:var(--font-body)}
.btn-secondary:hover{background:var(--black);color:var(--white)!important}
.btn-outline{display:inline-block;padding:.75rem 1.8rem;background:transparent;color:var(--black);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;border-radius:var(--radius);border:1.5px solid var(--gray-300);transition:var(--transition);font-family:var(--font-body)}
.btn-outline:hover{border-color:var(--black);transform:translateY(-1px)}
.btn-mini{padding:.35rem .9rem;background:var(--gray-100);color:var(--gray-600);font-size:.72rem;border-radius:var(--radius);border:1px solid var(--gray-200);transition:var(--transition)}
.btn-mini:hover{background:var(--white);border-color:var(--black);color:var(--black)}
.btn-shopee{display:inline-block;padding:.75rem 1.5rem;background:var(--shopee);color:#fff!important;font-size:.8rem;border-radius:var(--radius);transition:var(--transition)}
.btn-shopee:hover{opacity:.9;transform:translateY(-1px)}
.btn-tiktok{display:inline-block;padding:.75rem 1.5rem;background:var(--tiktok);color:#fff!important;font-size:.8rem;border-radius:var(--radius);transition:var(--transition)}
.btn-tiktok:hover{opacity:.85;transform:translateY(-1px)}
.btn-order{width:100%;padding:1rem;background:var(--black);color:var(--white);font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;border-radius:var(--radius);transition:var(--transition);font-family:var(--font-body);margin-top:.5rem}
.btn-order:hover{background:var(--gray-800);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ── SECTION COMMONS ── */
section{padding:6rem 3rem}
.section-label{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.25em;color:var(--accent);text-transform:uppercase;margin-bottom:.9rem}
.section-title{font-family:var(--font-display);font-size:clamp(2rem,4vw,3.4rem);font-weight:300;line-height:1.12;margin-bottom:3.5rem;letter-spacing:-.01em}
.section-cta{text-align:center;margin-top:3rem}
.page-header{padding:9rem 3rem 4rem;background:var(--gray-100);border-bottom:1px solid var(--gray-200)}
.page-header-inner h1{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,4rem);font-weight:300;line-height:1.1;margin-bottom:.8rem}
.page-header-inner p{color:var(--gray-600);font-size:.95rem;max-width:500px}

/* ── REVEAL ANIMATION ── */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ══════════════════════════════════════
   HOME — HERO
══════════════════════════════════════ */
#hero{position:relative;height:100vh;display:flex;align-items:center;overflow:hidden}
#hero-canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}
.hero-content{position:relative;z-index:2;padding:0 3rem;max-width:620px;opacity:0;transform:translateY(28px);animation:fadeUp 1.1s .3s cubic-bezier(.4,0,.2,1) forwards}
.hero-tag{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;margin-bottom:1.5rem}
.hero-title{font-family:var(--font-display);font-size:clamp(3.5rem,7vw,6.5rem);font-weight:300;line-height:1.04;letter-spacing:-.02em;margin-bottom:1.5rem}
.hero-title em{font-style:italic;color:var(--gray-600)}
.hero-sub{font-size:.98rem;color:var(--gray-600);line-height:1.8;margin-bottom:2.5rem;max-width:440px}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap}
.hero-scroll-hint{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);font-family:var(--font-mono);font-size:.63rem;letter-spacing:.2em;color:var(--gray-400);animation:bounce 2s ease-in-out infinite;z-index:2}

/* ── MARQUEE ── */
.marquee-bar{background:var(--black);color:var(--white);padding:.65rem 0;overflow:hidden;border-top:1px solid var(--gray-800)}
.marquee-track{display:flex;gap:2.5rem;animation:marquee 25s linear infinite;white-space:nowrap;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.18em;color:rgba(255,255,255,.7)}
.marquee-track span:nth-child(even){color:var(--accent)}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ── CATEGORIES ── */
#categories{background:var(--white)}
.categories-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:1.2rem;max-width:1200px}
.cat-card{display:flex;flex-direction:column;border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);text-decoration:none;color:var(--black)}
.cat-card:hover{border-color:var(--black);transform:translateY(-4px);box-shadow:var(--shadow)}
.cat-visual{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;font-size:3rem;background:var(--gray-100)}
.cat-large .cat-visual{aspect-ratio:auto;flex:1;min-height:180px;font-size:5rem}
.notebook-visual::after{content:'📓'}
.pen-visual::after{content:'✒️'}
.note-visual::after{content:'📋'}
.custom-visual::after{content:'✨'}
.cat-special{background:var(--black);color:var(--white);border-color:var(--black)}
.cat-special .cat-visual{background:rgba(255,255,255,.06)}
.cat-info{padding:1.2rem 1.4rem}
.cat-info h3{font-family:var(--font-display);font-size:1.1rem;font-weight:400;margin-bottom:.3rem}
.cat-info p{font-size:.75rem;color:var(--gray-400);margin-bottom:.6rem}
.cat-special .cat-info p{color:rgba(255,255,255,.5)}
.cat-arrow{font-size:.85rem;color:var(--accent)}

/* ── PRODUCTS GRID ── */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1.5rem}
.product-card{border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);background:var(--white);position:relative}
.product-card:hover{border-color:var(--black);transform:translateY(-4px);box-shadow:var(--shadow)}
.pc-img{aspect-ratio:4/3;background:var(--gray-100);display:flex;align-items:center;justify-content:center;font-size:3.5rem;position:relative;overflow:hidden}
.pc-badge{position:absolute;top:.7rem;left:.7rem;background:var(--black);color:var(--white);font-size:.62rem;padding:.2rem .6rem;border-radius:10px;font-family:var(--font-mono);letter-spacing:.1em}
.pc-wishlist{position:absolute;top:.6rem;right:.6rem;background:var(--white);border:1px solid var(--gray-200);border-radius:50%;width:30px;height:30px;display:flex;align-items:center;justify-content:center;font-size:.85rem;cursor:pointer;transition:var(--transition)}
.pc-wishlist:hover,.pc-wishlist.active{background:var(--black);color:var(--white);border-color:var(--black)}
.pc-body{padding:1.1rem 1.3rem}
.pc-cat{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.15em;color:var(--accent);text-transform:uppercase;margin-bottom:.3rem}
.pc-name{font-family:var(--font-display);font-size:1rem;font-weight:400;margin-bottom:.3rem;line-height:1.3}
.pc-desc{font-size:.76rem;color:var(--gray-400);margin-bottom:.8rem;line-height:1.5}
.pc-footer{display:flex;justify-content:space-between;align-items:center}
.pc-price{font-family:var(--font-mono);font-size:.9rem;font-weight:400}
.pc-actions{display:flex;gap:.4rem}
.pc-btn{padding:.35rem .8rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.72rem;transition:var(--transition)}
.pc-btn:hover{border-color:var(--black);background:var(--black);color:var(--white)}
.pc-btn.primary{background:var(--black);color:var(--white);border-color:var(--black)}
.pc-platform{display:flex;gap:.4rem;margin-top:.6rem}
.pp-shopee{font-size:.65rem;padding:.2rem .5rem;background:#fff0ed;color:var(--shopee);border-radius:10px;border:1px solid #ffd0c7}
.pp-tiktok{font-size:.65rem;padding:.2rem .5rem;background:#f5f5f5;color:#333;border-radius:10px;border:1px solid #ddd}

/* ── CUSTOMIZE BANNER ── */
#customize-banner{background:var(--black);color:var(--white);padding:0}
.banner-content{display:grid;grid-template-columns:1fr 1fr;min-height:480px;align-items:center}
.banner-text{padding:5rem 4rem}
.banner-text h2{font-family:var(--font-display);font-size:clamp(2.2rem,4vw,3.5rem);font-weight:300;line-height:1.1;margin-bottom:1.2rem}
.banner-text h2 em{color:var(--accent);font-style:italic}
.banner-text p{color:rgba(255,255,255,.6);line-height:1.8;margin-bottom:2rem;font-size:.95rem}
#banner-canvas{width:100%;height:100%;min-height:480px}

/* ── PLATFORMS SECTION ── */
#platforms{background:var(--gray-100)}
.platforms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;max-width:1000px}
.platform-card{padding:2.5rem;border:1px solid var(--gray-200);border-radius:var(--radius-lg);background:var(--white);text-align:center;transition:var(--transition);display:flex;flex-direction:column;gap:1rem;align-items:center}
.platform-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.plat-icon{font-size:2.5rem}
.platform-card h3{font-family:var(--font-display);font-size:1.3rem;font-weight:400}
.platform-card p{font-size:.82rem;color:var(--gray-600);line-height:1.7}
.plat-badge{font-size:.65rem;padding:.25rem .8rem;border-radius:10px;font-family:var(--font-mono);letter-spacing:.1em;background:var(--gray-100);color:var(--gray-600);border:1px solid var(--gray-200)}
.platform-web .plat-badge{background:#e8f5e9;color:#2e7d32;border-color:#c8e6c9}
.platform-shopee .plat-badge{background:#fff0ed;color:var(--shopee);border-color:#ffd0c7}
.platform-tiktok .plat-badge{background:#f0f0f0;color:#333;border-color:#ddd}

/* ── NEWSLETTER ── */
#newsletter{background:var(--black);padding:4rem 3rem}
.newsletter-inner{display:flex;align-items:center;justify-content:space-between;gap:3rem;max-width:900px;margin:0 auto}
.nl-text h3{font-family:var(--font-display);font-size:1.8rem;font-weight:300;color:var(--white);margin-bottom:.5rem}
.nl-text p{color:rgba(255,255,255,.5);font-size:.85rem}
.nl-form{display:flex;gap:.8rem;flex-shrink:0}
.nl-form input{padding:.8rem 1.2rem;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:var(--white);border-radius:var(--radius);width:260px;outline:none;font-size:.85rem;transition:var(--transition)}
.nl-form input:focus{border-color:var(--accent)}
.nl-form input::placeholder{color:rgba(255,255,255,.3)}

/* ── FOOTER ── */
footer{background:var(--black);color:var(--white);padding-top:4rem}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:3rem;padding:0 3rem 3rem;border-bottom:1px solid rgba(255,255,255,.07)}
.footer-logo{font-family:var(--font-display);font-size:1.4rem;letter-spacing:.22em;margin-bottom:1rem}
.footer-brand p{font-size:.82rem;color:rgba(255,255,255,.4);line-height:1.7;max-width:280px;margin-bottom:1.2rem}
.footer-social{display:flex;gap:1.5rem}
.footer-social a{font-size:.75rem;color:rgba(255,255,255,.4);letter-spacing:.1em;transition:var(--transition)}
.footer-social a:hover{color:var(--white)}
.footer-links-col h4{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:1rem;font-family:var(--font-mono)}
.footer-links-col a{display:block;font-size:.82rem;color:rgba(255,255,255,.4);padding:.3rem 0;transition:var(--transition)}
.footer-links-col a:hover{color:var(--white)}
.footer-bottom{display:flex;justify-content:space-between;padding:1.5rem 3rem;font-size:.7rem;color:rgba(255,255,255,.25);font-family:var(--font-mono)}

/* ══════════════════════════════════════
   PRODUCTS PAGE
══════════════════════════════════════ */
#shop{padding-top:2rem}
.shop-layout{display:grid;grid-template-columns:260px 1fr;gap:3rem;align-items:start;max-width:1300px}
.shop-sidebar{position:sticky;top:90px;background:var(--gray-100);padding:1.8rem;border-radius:var(--radius-lg);border:1px solid var(--gray-200)}
.filter-group{margin-bottom:1.8rem;padding-bottom:1.8rem;border-bottom:1px solid var(--gray-200)}
.filter-group:last-child{border-bottom:none;margin-bottom:0}
.filter-group h4{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gray-400);font-family:var(--font-mono);margin-bottom:.9rem}
.filter-check{display:flex;align-items:center;gap:.6rem;font-size:.82rem;color:var(--gray-600);padding:.25rem 0;cursor:pointer;transition:var(--transition)}
.filter-check:hover{color:var(--black)}
.filter-check input{accent-color:var(--black)}
.filter-select{width:100%;padding:.6rem .9rem;border:1px solid var(--gray-200);border-radius:var(--radius);background:var(--white);font-size:.82rem;color:var(--black);outline:none;cursor:pointer}
.platform-pills{display:flex;flex-direction:column;gap:.5rem}
.pill-shopee,.pill-tiktok{padding:.5rem .9rem;border-radius:var(--radius);font-size:.76rem;text-align:center;transition:var(--transition)}
.pill-shopee{background:#fff0ed;color:var(--shopee);border:1px solid #ffd0c7}
.pill-shopee:hover{background:var(--shopee);color:#fff}
.pill-tiktok{background:#f5f5f5;color:#333;border:1px solid #ddd}
.pill-tiktok:hover{background:var(--black);color:#fff}
.sidebar-customize-cta{background:var(--black);color:var(--white);padding:1.5rem;border-radius:var(--radius);text-align:center}
.cust-label{font-size:.65rem;letter-spacing:.2em;color:var(--accent);font-family:var(--font-mono);margin-bottom:.5rem}
.sidebar-customize-cta h4{font-family:var(--font-display);font-size:1.1rem;font-weight:400;margin-bottom:.5rem}
.sidebar-customize-cta p{font-size:.76rem;color:rgba(255,255,255,.5);margin-bottom:1rem;line-height:1.6}
.shop-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-200)}
.shop-toolbar span{font-size:.8rem;color:var(--gray-600);font-family:var(--font-mono)}
.wishlist-toggle{font-size:.78rem;color:var(--gray-600)}
.wishlist-toggle input{accent-color:var(--black);margin-right:.4rem}
.wishlist-panel{position:fixed;right:0;top:0;bottom:0;width:320px;background:var(--white);border-left:1px solid var(--gray-200);z-index:300;padding:2rem;overflow-y:auto;transform:translateX(100%);transition:var(--transition);box-shadow:var(--shadow-lg)}
.wishlist-panel.open{transform:translateX(0)}
.wishlist-panel h3{font-family:var(--font-display);font-size:1.3rem;font-weight:400;margin-bottom:1.5rem}

/* ══════════════════════════════════════
   CUSTOMIZE PAGE
══════════════════════════════════════ */
#customizer{padding-top:2rem;padding-bottom:8rem}
.customizer-layout{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start;max-width:1200px}
.preview-panel{position:sticky;top:90px;display:flex;flex-direction:column;align-items:center;gap:1rem}
#notebook-canvas{width:100%;max-width:500px;height:440px;cursor:grab;border-radius:6px}
#notebook-canvas:active{cursor:grabbing}
.preview-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;color:var(--gray-400);text-transform:uppercase}
.preview-actions{display:flex;gap:.6rem}
.smart-suggestion{width:100%;max-width:500px;background:var(--gray-100);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:1.2rem 1.5rem}
.ss-label{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:.8rem}
.ss-styles{display:flex;gap:.5rem;flex-wrap:wrap}
.ss-btn{padding:.35rem .9rem;border:1px solid var(--gray-200);border-radius:20px;font-size:.75rem;color:var(--gray-600);transition:var(--transition);background:var(--white)}
.ss-btn:hover{border-color:var(--black);color:var(--black)}
.controls-panel{display:flex;flex-direction:column;gap:2rem}
.control-group{background:var(--white);padding:1.7rem;border-radius:var(--radius-lg);border:1px solid var(--gray-200);position:relative;transition:var(--transition)}
.control-group:hover{border-color:var(--gray-300);box-shadow:var(--shadow-sm)}
.step-num{position:absolute;top:1.5rem;right:1.5rem;font-family:var(--font-mono);font-size:.62rem;color:var(--gray-300);letter-spacing:.1em}
.control-group h3{font-family:var(--font-display);font-size:1.12rem;font-weight:400;margin-bottom:1.2rem}
.color-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.6rem;margin-bottom:.8rem}
.color-swatch{width:100%;aspect-ratio:1;border-radius:50%;cursor:pointer;transition:var(--transition);outline:3px solid transparent;outline-offset:3px}
.color-swatch:hover{transform:scale(1.15)}
.color-swatch.active{outline-color:var(--black)}
.selected-label{font-size:.73rem;color:var(--gray-600);font-family:var(--font-mono)}
.material-options{display:flex;flex-direction:column;gap:.55rem}
.material-btn{display:flex;align-items:center;gap:.9rem;padding:.85rem 1rem;border:1px solid var(--gray-200);border-radius:var(--radius);transition:var(--transition);background:var(--gray-100);font-size:.82rem}
.material-btn:hover,.material-btn.active{border-color:var(--black);background:var(--white)}
.mat-icon{font-size:1rem;color:var(--gray-600);width:22px;text-align:center}
.mat-info{flex:1;text-align:left;line-height:1.3}
.mat-info strong{display:block;font-size:.82rem;font-weight:400}
.mat-info small{font-size:.7rem;color:var(--gray-400)}
.mat-price{font-family:var(--font-mono);font-size:.68rem;color:var(--accent)}
.text-input-wrap{position:relative;margin-bottom:.9rem}
.text-input-wrap input{width:100%;padding:.8rem 3rem .8rem 1rem;border:1px solid var(--gray-200);border-radius:var(--radius);background:var(--gray-100);font-size:.9rem;color:var(--black);transition:var(--transition);outline:none}
.text-input-wrap input:focus{border-color:var(--black);background:var(--white)}
.text-input-wrap input::placeholder{color:var(--gray-400)}
.char-count{position:absolute;right:.8rem;top:50%;transform:translateY(-50%);font-family:var(--font-mono);font-size:.62rem;color:var(--gray-400)}
.font-label{font-size:.72rem;color:var(--gray-600);margin-bottom:.5rem}
.font-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.4rem;margin-bottom:.9rem}
.font-btn{padding:.4rem .5rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.78rem;color:var(--gray-600);transition:var(--transition);background:var(--gray-100);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.font-btn:hover,.font-btn.active{border-color:var(--black);background:var(--white);color:var(--black)}
.position-options{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap;margin-top:.5rem}
.position-options span{font-size:.72rem;color:var(--gray-600)}
.pos-btn{padding:.28rem .7rem;border:1px solid var(--gray-200);border-radius:20px;font-size:.7rem;color:var(--gray-600);background:var(--gray-100);transition:var(--transition)}
.pos-btn:hover{border-color:var(--black)}
.pos-btn.active{border-color:var(--black);background:var(--black);color:var(--white)}
.name-price-note{font-size:.72rem;color:var(--accent);font-family:var(--font-mono);margin-top:.6rem}
.page-options{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin-bottom:1.2rem}
.page-option{display:flex;flex-direction:column;align-items:center;gap:.45rem;cursor:pointer;padding:.65rem;border:1px solid var(--gray-200);border-radius:var(--radius);transition:var(--transition);font-size:.7rem;color:var(--gray-600)}
.page-option:hover,.page-option.active{border-color:var(--black);color:var(--black)}
.page-preview{width:100%;aspect-ratio:3/4;background:#fff;border:1px solid var(--gray-200);border-radius:1px;overflow:hidden}
.dot-preview{background-image:radial-gradient(circle,#ccc 1px,transparent 1px);background-size:8px 8px}
.lined-preview{background-image:repeating-linear-gradient(to bottom,transparent,transparent 7px,#ddd 7px,#ddd 8px)}
.grid-preview{background-image:linear-gradient(#ddd 1px,transparent 1px),linear-gradient(90deg,#ddd 1px,transparent 1px);background-size:8px 8px}
.blank-preview{background:#fff}
.pages-count-label{font-size:.72rem;color:var(--gray-600);margin-bottom:.5rem}
.page-count-options{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.pgcount-btn{display:flex;flex-direction:column;align-items:center;padding:.7rem .5rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.82rem;font-family:var(--font-display);font-weight:400;color:var(--gray-600);background:var(--gray-100);gap:.15rem;transition:var(--transition)}
.pgcount-btn small{font-size:.65rem;font-family:var(--font-mono);color:var(--accent)}
.pgcount-btn:hover,.pgcount-btn.active{border-color:var(--black);background:var(--white);color:var(--black)}
.pattern-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem;margin-bottom:.7rem}
.pattern-btn{display:flex;flex-direction:column;align-items:center;gap:.35rem;padding:.55rem .3rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.65rem;color:var(--gray-600);background:var(--gray-100);transition:var(--transition)}
.pattern-btn:hover,.pattern-btn.active{border-color:var(--black);background:var(--white);color:var(--black)}
.pat-preview{width:100%;aspect-ratio:3/4;background:#fff;border:1px solid var(--gray-200);border-radius:1px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.emoji-pat{font-size:1.2rem;background:var(--gray-100)}
.none-pat{background:#f9f9f9}
.border-pat{border:3px solid #ddd!important;outline:1px solid #eee;outline-offset:-5px}
.corner-pat::before,.corner-pat::after{content:'';position:absolute;width:10px;height:10px;border:1.5px solid #aaa}
.corner-pat{position:relative}
.corner-pat::before{top:3px;left:3px;border-right:none;border-bottom:none}
.corner-pat::after{bottom:3px;right:3px;border-left:none;border-top:none}
.geo-pat{background-image:repeating-linear-gradient(45deg,transparent,transparent 4px,#e8e0d8 4px,#e8e0d8 5px)}
.dots-pat{background-image:radial-gradient(circle,#ccc 1px,transparent 1px);background-size:6px 6px}
.lines-pat{background-image:repeating-linear-gradient(to right,transparent,transparent 5px,#e0d8d0 5px,#e0d8d0 6px)}
.pattern-note{font-size:.68rem;color:var(--gray-400);font-family:var(--font-mono)}
.size-options{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
.size-btn{display:flex;flex-direction:column;align-items:center;padding:.9rem .4rem;border:1px solid var(--gray-200);border-radius:var(--radius);background:var(--gray-100);gap:.2rem;transition:var(--transition)}
.size-btn:hover,.size-btn.active{border-color:var(--black);background:var(--white)}
.size-btn strong{font-family:var(--font-display);font-size:1.1rem;font-weight:400}
.size-btn small{font-size:.63rem;color:var(--gray-400);text-align:center}
.size-btn span{font-family:var(--font-mono);font-size:.66rem;color:var(--accent)}
.order-bar{position:fixed;bottom:0;left:0;right:0;z-index:100;background:var(--white);border-top:1px solid var(--gray-200);padding:1rem 3rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 -8px 30px rgba(0,0,0,.08)}
.order-bar-summary{display:flex;flex-direction:column;gap:.2rem}
.ob-config{font-size:.75rem;color:var(--gray-600);font-family:var(--font-mono)}
.ob-price{font-family:var(--font-display);font-size:1.5rem;font-weight:400}
.order-bar-actions{display:flex;gap:.8rem}

/* ══════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════ */
.about-header{background:var(--black);color:var(--white)}
.about-header .section-label{color:var(--accent)}
.about-section{padding:6rem 3rem}
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center;max-width:1100px}
.about-intro-text h2{font-family:var(--font-display);font-size:clamp(2rem,4vw,3rem);font-weight:300;line-height:1.1;margin-bottom:1.3rem}
.about-intro-text h2 em{font-style:italic;color:var(--gray-600)}
.about-intro-text p{font-size:.92rem;color:var(--gray-600);line-height:1.8}
.about-placeholder-img{aspect-ratio:4/3;background:var(--gray-100);border-radius:var(--radius-lg);border:1px solid var(--gray-200);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.8rem}
.ap-inner{font-size:4rem}
.ap-label{font-family:var(--font-mono);font-size:.65rem;letter-spacing:.15em;color:var(--gray-400)}
.values-section{background:var(--gray-100);padding:6rem 3rem}
.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:1100px}
.value-card{background:var(--white);padding:2rem;border-radius:var(--radius-lg);border:1px solid var(--gray-200)}
.val-icon{font-size:1.3rem;color:var(--accent);margin-bottom:.8rem}
.value-card h3{font-family:var(--font-display);font-size:1.05rem;font-weight:400;margin-bottom:.6rem}
.value-card p{font-size:.8rem;color:var(--gray-600);line-height:1.7}
.story-section{padding:6rem 3rem}
.story-timeline{max-width:700px}
.timeline{margin-top:2rem;display:flex;flex-direction:column;gap:0}
.tl-item{display:grid;grid-template-columns:80px 1fr;gap:2rem;padding:1.5rem 0;border-left:1.5px solid var(--gray-200);padding-left:2rem;position:relative;margin-left:40px}
.tl-item::before{content:'';position:absolute;left:-5px;top:1.8rem;width:8px;height:8px;background:var(--accent);border-radius:50%}
.tl-year{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.1em;color:var(--accent);padding-top:.2rem;margin-left:-2rem}
.tl-content h4{font-family:var(--font-display);font-size:1.05rem;font-weight:400;margin-bottom:.4rem}
.tl-content p{font-size:.82rem;color:var(--gray-600);line-height:1.7}
.commitment-section{background:var(--black);color:var(--white);padding:5rem 3rem}
.commit-inner{max-width:800px}
.commit-inner h2{font-family:var(--font-display);font-size:2.5rem;font-weight:300;margin-bottom:2rem}
.commit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem}
.commit-item{font-size:.88rem;color:rgba(255,255,255,.7);padding:.6rem 0;border-bottom:1px solid rgba(255,255,255,.08)}

/* ══════════════════════════════════════
   BLOG PAGE
══════════════════════════════════════ */
#blog-section{padding:3rem;max-width:1100px;margin:0 auto}
.blog-tabs{display:flex;gap:.6rem;flex-wrap:wrap;margin-bottom:2.5rem}
.blog-tab{padding:.45rem 1.1rem;border:1px solid var(--gray-200);border-radius:20px;font-size:.76rem;color:var(--gray-600);background:var(--gray-100);transition:var(--transition)}
.blog-tab:hover,.blog-tab.active{border-color:var(--black);background:var(--black);color:var(--white)}
.blog-featured{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;margin-bottom:3rem;padding-bottom:3rem;border-bottom:1px solid var(--gray-200);align-items:center}
.blog-feat-img{border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:16/9;background:var(--gray-100);display:flex;align-items:center;justify-content:center}
.blog-placeholder-img{font-size:4rem}
.blog-tag{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:.7rem}
.blog-feat-content h2{font-family:var(--font-display);font-size:1.8rem;font-weight:400;line-height:1.2;margin-bottom:.8rem}
.blog-feat-content h2 a{transition:var(--transition)}
.blog-feat-content h2 a:hover{color:var(--accent)}
.blog-feat-content p{font-size:.85rem;color:var(--gray-600);line-height:1.7;margin-bottom:.8rem}
.blog-meta{display:flex;gap:1.2rem;font-family:var(--font-mono);font-size:.65rem;color:var(--gray-400)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2.5rem}
.blog-card{border:1px solid var(--gray-200);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition)}
.blog-card:hover{border-color:var(--black);transform:translateY(-3px);box-shadow:var(--shadow)}
.blog-card-img{aspect-ratio:16/9;background:var(--gray-100);display:flex;align-items:center;justify-content:center}
.bci-inner{font-size:2.5rem}
.blog-card-body{padding:1.2rem 1.4rem}
.blog-card-body h3{font-family:var(--font-display);font-size:1rem;font-weight:400;line-height:1.3;margin:0.5rem 0}
.blog-card-body h3 a:hover{color:var(--accent)}
.blog-card-body p{font-size:.78rem;color:var(--gray-400);line-height:1.6;margin-bottom:.6rem}
.blog-pagination{display:flex;gap:.4rem;justify-content:center;margin-top:2rem}
.page-btn{width:36px;height:36px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.82rem;transition:var(--transition)}
.page-btn:hover,.page-btn.active{background:var(--black);color:var(--white);border-color:var(--black)}
.blog-sidebar-tools{max-width:1100px;margin:0 auto;padding:0 3rem 4rem}
.bst-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.bst-block{background:var(--gray-100);padding:1.5rem;border-radius:var(--radius-lg);border:1px solid var(--gray-200)}
.bst-block h4{font-family:var(--font-display);font-size:1rem;font-weight:400;margin-bottom:.7rem}
.bst-block p{font-size:.78rem;color:var(--gray-600);line-height:1.6;margin-bottom:.8rem}
.bst-search{display:flex;gap:.5rem}
.bst-search input,.bst-input{width:100%;padding:.65rem .9rem;border:1px solid var(--gray-200);border-radius:var(--radius);background:var(--white);font-size:.82rem;outline:none;transition:var(--transition)}
.bst-search input:focus,.bst-input:focus{border-color:var(--black)}
.bst-search button{padding:.65rem 1rem;background:var(--black);color:var(--white);border-radius:var(--radius);font-size:.85rem}

/* ══════════════════════════════════════
   AUTH PAGE
══════════════════════════════════════ */
.auth-section{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:7rem 1.5rem 3rem;background:var(--gray-100)}
.auth-card{background:var(--white);padding:3rem;border-radius:var(--radius-lg);border:1px solid var(--gray-200);max-width:440px;width:100%;box-shadow:var(--shadow)}
.auth-logo{font-family:var(--font-display);font-size:1.8rem;font-weight:600;letter-spacing:.22em;text-align:center;margin-bottom:1.5rem}
.auth-card h2{font-family:var(--font-display);font-size:1.6rem;font-weight:400;text-align:center;margin-bottom:.4rem}
.auth-sub{font-size:.82rem;color:var(--gray-600);text-align:center;margin-bottom:2rem;line-height:1.6}
.auth-tabs{display:flex;border:1px solid var(--gray-200);border-radius:var(--radius);overflow:hidden;margin-bottom:1.5rem}
.auth-tab{flex:1;padding:.65rem;font-size:.8rem;transition:var(--transition);border-right:1px solid var(--gray-200)}
.auth-tab:last-child{border-right:none}
.auth-tab.active{background:var(--black);color:var(--white)}
.auth-form{display:flex;flex-direction:column;gap:.7rem}
.social-btns{display:flex;flex-direction:column;gap:.6rem}
.social-btn{padding:.8rem 1rem;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.82rem;display:flex;align-items:center;justify-content:center;gap:.8rem;transition:var(--transition);background:var(--gray-100)}
.social-btn:hover{border-color:var(--black);background:var(--white)}
.social-btn span{font-weight:700;font-size:1rem}
.google-btn span{color:#4285F4}
.facebook-btn{background:#1877F2;color:#fff;border-color:#1877F2}
.facebook-btn:hover{background:#1464d8;border-color:#1464d8}
.auth-divider{text-align:center;position:relative;margin:.5rem 0}
.auth-divider::before,.auth-divider::after{content:'';position:absolute;top:50%;width:42%;height:1px;background:var(--gray-200)}
.auth-divider::before{left:0}
.auth-divider::after{right:0}
.auth-divider span{font-size:.72rem;color:var(--gray-400);background:var(--white);padding:0 .8rem;position:relative;z-index:1}
.auth-input{padding:.8rem 1rem;border:1px solid var(--gray-200);border-radius:var(--radius);background:var(--gray-100);font-size:.85rem;color:var(--black);outline:none;transition:var(--transition);width:100%;display:block;margin-bottom:.2rem}
.auth-input:focus{border-color:var(--black);background:var(--white)}
.auth-forgot{text-align:right;font-size:.75rem}
.auth-forgot a{color:var(--gray-600);transition:var(--transition)}
.auth-forgot a:hover{color:var(--black)}
.auth-terms{font-size:.72rem;color:var(--gray-400);text-align:center;margin-top:1rem;line-height:1.6}
.auth-terms a{color:var(--gray-600);text-decoration:underline}

/* ══════════════════════════════════════
   CART PAGE
══════════════════════════════════════ */
#cart-section{padding-top:2rem}
.cart-layout{display:grid;grid-template-columns:1fr 400px;gap:3rem;align-items:start;max-width:1100px}
.cart-item{display:grid;grid-template-columns:80px 1fr auto;gap:1.2rem;align-items:center;padding:1.2rem 0;border-bottom:1px solid var(--gray-200)}
.ci-img{width:80px;height:80px;background:var(--gray-100);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:2rem;border:1px solid var(--gray-200)}
.ci-info h4{font-family:var(--font-display);font-size:.98rem;font-weight:400;margin-bottom:.25rem}
.ci-info p{font-size:.74rem;color:var(--gray-400);line-height:1.5}
.ci-qty{display:flex;align-items:center;gap:.5rem;margin-top:.6rem}
.ci-qty button{width:26px;height:26px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:.9rem;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.ci-qty button:hover{background:var(--black);color:var(--white);border-color:var(--black)}
.ci-qty span{font-family:var(--font-mono);font-size:.85rem;min-width:24px;text-align:center}
.ci-price{font-family:var(--font-mono);font-size:.9rem;text-align:right}
.ci-remove{font-size:.75rem;color:var(--gray-400);cursor:pointer;transition:var(--transition);display:block;margin-top:.3rem;text-align:right}
.ci-remove:hover{color:var(--black)}
.cart-empty{text-align:center;padding:5rem 2rem}
.ce-icon{font-size:4rem;margin-bottom:1rem}
.cart-empty h3{font-family:var(--font-display);font-size:1.5rem;font-weight:400;margin-bottom:.6rem}
.cart-empty p{font-size:.85rem;color:var(--gray-600);margin-bottom:1.5rem}
.cart-summary-col{position:sticky;top:90px}
.cart-summary-card{background:var(--gray-100);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:2rem}
.cart-summary-card h3{font-family:var(--font-display);font-size:1.3rem;font-weight:400;margin-bottom:1.3rem;padding-bottom:1rem;border-bottom:1px solid var(--gray-200)}
.cs-lines{margin-bottom:1.2rem}
.cs-line{display:flex;justify-content:space-between;font-size:.82rem;padding:.35rem 0;color:var(--gray-600)}
.cs-line.total{font-size:1rem;color:var(--black);font-weight:500;padding-top:.7rem}
.cs-divider{height:1px;background:var(--gray-200);margin:.4rem 0}
.coupon-row{display:flex;gap:.6rem;margin-bottom:1.2rem}
.checkout-form{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.2rem}
.checkout-form h4{font-family:var(--font-display);font-size:1rem;font-weight:400;margin-bottom:.3rem}
.platform-alt{padding:1rem 0;border-top:1px solid var(--gray-200);border-bottom:1px solid var(--gray-200);margin-bottom:1rem}
.pa-label{font-size:.72rem;color:var(--gray-400);font-family:var(--font-mono);margin-bottom:.6rem}
.pa-btns{display:flex;gap:.6rem}

/* ══════════════════════════════════════
   THANK YOU PAGE
══════════════════════════════════════ */
.thankyou-section{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:7rem 1.5rem 3rem;background:var(--gray-100)}
.ty-card{background:var(--white);padding:3.5rem;border-radius:var(--radius-lg);max-width:520px;width:100%;text-align:center;box-shadow:var(--shadow)}
.ty-check{width:64px;height:64px;background:var(--black);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem;margin:0 auto 1.5rem;animation:scaleIn .5s .2s both}
.ty-card h1{font-family:var(--font-display);font-size:2rem;font-weight:400;margin-bottom:.8rem}
.ty-card>p{font-size:.88rem;color:var(--gray-600);line-height:1.7;margin-bottom:1.5rem}
.ty-order-info{background:var(--gray-100);padding:.8rem 1.2rem;border-radius:var(--radius);margin-bottom:1.5rem;font-family:var(--font-mono);font-size:.78rem;color:var(--gray-600)}
.ty-steps{display:flex;align-items:center;justify-content:center;gap:0;margin-bottom:2rem}
.ty-step{display:flex;flex-direction:column;align-items:center;gap:.4rem;font-size:.7rem;color:var(--gray-400)}
.ty-step.done{color:var(--black)}
.ty-step.active{color:var(--accent)}
.ts-dot{width:28px;height:28px;border-radius:50%;border:2px solid var(--gray-300);display:flex;align-items:center;justify-content:center;font-size:.7rem}
.ty-step.done .ts-dot{background:var(--black);color:var(--white);border-color:var(--black)}
.ty-step.active .ts-dot{border-color:var(--accent);color:var(--accent)}
.ty-step-line{width:40px;height:1.5px;background:var(--gray-200);margin-bottom:1rem}
.ty-actions{display:flex;gap:.8rem;justify-content:center;margin-bottom:1.5rem}
.ty-share p{font-size:.78rem;color:var(--gray-600);margin-bottom:.6rem}
.ty-share-btns{display:flex;gap:.6rem;justify-content:center}

/* ══════════════════════════════════════
   ANIMATIONS
══════════════════════════════════════ */
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}
@keyframes scaleIn{from{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media(max-width:1024px){
  .customizer-layout,.cart-layout{grid-template-columns:1fr}
  .preview-panel{position:static}
  .categories-grid{grid-template-columns:1fr 1fr}
  .platforms-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .values-grid{grid-template-columns:1fr 1fr}
  .blog-grid{grid-template-columns:1fr 1fr}
  .bst-inner{grid-template-columns:1fr}
  .shop-layout{grid-template-columns:1fr}
  .shop-sidebar{position:static}
}
@media(max-width:768px){
  section{padding:4rem 1.5rem}
  #navbar{padding:1.1rem 1.5rem}
  .nav-links{display:none}
  .nav-mobile-toggle{display:block}
  .hero-title{font-size:2.8rem}
  .categories-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto auto}
  .cat-large{grid-column:1/-1}
  .banner-content{grid-template-columns:1fr}
  #banner-canvas{display:none}
  .banner-text{padding:3rem 2rem}
  .about-intro,.about-intro-reverse{grid-template-columns:1fr}
  .commit-grid{grid-template-columns:1fr}
  .blog-featured{grid-template-columns:1fr}
  .blog-grid{grid-template-columns:1fr}
  .newsletter-inner{flex-direction:column;text-align:center}
  .nl-form{flex-direction:column;width:100%}
  .nl-form input{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .order-bar{padding:1rem 1.5rem}
  .order-bar-actions{flex-direction:column;gap:.4rem}
  .color-grid{grid-template-columns:repeat(4,1fr)}
  .pattern-grid{grid-template-columns:repeat(4,1fr)}
  .font-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .hero-title{font-size:2.3rem}
  .hero-ctas{flex-direction:column}
  .ty-actions{flex-direction:column}
  .pattern-grid{grid-template-columns:repeat(3,1fr)}
}

/* ── Text Color Picker (Customize) ── */
.text-color-row {
  display: flex;
  gap: .5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: .3rem;
}
.txt-color-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  outline: 3px solid transparent;
  outline-offset: 3px;
  flex-shrink: 0;
}
.txt-color-btn:hover { transform: scale(1.18); }
.txt-color-btn.active { outline-color: var(--black); }
.txt-color-custom-wrap {
  width: 28px; height: 28px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  border: 1.5px solid var(--gray-200);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  background: var(--gray-100);
  flex-shrink: 0;
}
.txt-color-custom-wrap input[type=color] {
  position: absolute; inset: 0;
  opacity: 0; cursor: pointer;
  width: 100%; height: 100%;
  border: none; padding: 0;
}
.txt-color-custom-wrap span { pointer-events: none; }