/* ── Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    /* Світла палітра: холодний папір + глибокий синій акцент */
    --bg:#f4f6f9;
    --card:#ffffff;
    --surface:#eef1f6;
    --border:#dbe1ea;
    --text:#16202c;
    --text-muted:#5d6a7a;
    --accent:#1d5fa8;
    --accent-light:#e8eff8;
    --accent-dark:#154578;
    --cta-top:#2470c4;
    --cta-bot:#154578;
    --green:#2c7a3f;
    --green-bg:rgba(44,122,63,.09);
    --red:#c0392b;
    --gold:#8a5f00;
    --shadow:0 2px 12px rgba(21,32,44,.07);
    --shadow-lg:0 8px 32px rgba(21,32,44,.1);
    --radius:16px;
    --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
.page-wrap{max-width:480px;margin:0 auto;background:var(--card);overflow:hidden}
@media(min-width:520px){.page-wrap{box-shadow:var(--shadow-lg);border-radius:24px;margin-top:20px;margin-bottom:20px}}

/* ── Hero ── */
.hero{position:relative;background:linear-gradient(180deg,var(--accent-light) 0%,var(--card) 100%);padding-bottom:24px;text-align:center}
.hero-img{width:100%;object-fit:cover}
.hero h1{font-size:24px;font-weight:800;line-height:1.25;padding:0 16px;margin-top:16px;text-transform:uppercase;letter-spacing:.5px}
.hero-sub{color:var(--text-muted);font-size:14px;padding:0 16px;margin-top:8px}

/* ── Price ── */
.price-block{display:flex;align-items:center;justify-content:center;gap:14px;margin:16px 16px 0;padding:14px;background:var(--accent-light);border:1px solid #1a3a60;border-radius:var(--radius)}
.price-old{text-align:center}.price-old .label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.price-old .val{font-size:20px;text-decoration:line-through;color:var(--text-muted);font-weight:600}
.price-divider{width:2px;height:36px;background:var(--border)}
.price-new{text-align:center}.price-new .label{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.price-new .val{font-size:28px;font-weight:800;color:var(--accent-dark)}.price-new .val small{font-size:16px;font-weight:600}
.discount-tag{display:inline-block;background:var(--red);color:#fff;font-weight:700;font-size:13px;padding:4px 10px;border-radius:8px}

/* ── Badges ── */
.trust-badges{display:flex;justify-content:center;gap:6px;margin:14px 16px 0;flex-wrap:wrap}
.trust-badge{display:flex;align-items:center;gap:5px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:7px 10px;font-size:12px;color:var(--text-muted)}
.trust-badge .icon{font-size:14px}

/* ── CTA ── */
.btn-cta{display:block;width:calc(100% - 32px);margin:16px auto 0;padding:16px 20px;background:linear-gradient(180deg,var(--cta-top),var(--cta-bot));border:none;border-bottom:3px solid var(--accent-dark);border-radius:14px;font-family:var(--font);font-size:17px;font-weight:700;color:#fff;text-align:center;cursor:pointer;text-transform:uppercase;letter-spacing:.8px;box-shadow:0 4px 20px rgba(29,95,168,.25);position:relative;overflow:hidden}
.btn-cta:active{transform:translateY(2px);box-shadow:none}
.btn-cta::after{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);animation:shimmer 2.8s infinite}
@keyframes shimmer{0%{left:-100%}100%{left:200%}}

/* ── Sections ── */
.section{padding:28px 16px}
.section-alt{background:var(--surface)}
.section-dark{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-title{font-size:20px;font-weight:800;text-align:center;margin-bottom:16px;line-height:1.3;text-transform:uppercase}
.section-title span{color:var(--accent)}
.desc-text{font-size:14px;color:var(--text-muted);text-align:center;line-height:1.6;margin-bottom:16px}

/* ── Gallery ── */
.gallery-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.gallery-grid img{border-radius:12px;width:100%;aspect-ratio:1/1;object-fit:cover;box-shadow:var(--shadow)}
.gallery-full{margin-bottom:12px}
.gallery-full img{border-radius:12px;width:100%;box-shadow:var(--shadow);object-fit:cover}

/* ── Video ── */
.video-wrap{position:relative;margin:0 0 16px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);padding-bottom:56.25%;height:0}
.video-wrap iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}

/* ── Kit list ── */
.kit-list{list-style:none;margin:0 0 20px}
.kit-list li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}
.kit-list li:last-child{border-bottom:none}
.kit-list li::before{content:'✅';font-size:16px;flex-shrink:0;margin-top:1px}

/* ── Features ── */
.features-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 12px;text-align:center;box-shadow:var(--shadow)}
.feature-card .f-icon{font-size:28px;margin-bottom:8px}
.feature-card .f-title{font-weight:700;font-size:13px;margin-bottom:4px}
.feature-card .f-desc{font-size:12px;color:var(--text-muted);line-height:1.45}

/* ── Specs ── */
.specs-list{list-style:none}.specs-list li{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px}.specs-list li:last-child{border-bottom:none}.specs-list .spec-label{color:var(--text-muted);font-weight:500}.specs-list .spec-value{font-weight:600;text-align:right;color:var(--text)}

/* ── Reviews ── */
.review-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:14px;box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.review-avatar{width:40px;height:40px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:16px;color:#fff}
.review-info .review-name{font-weight:700;font-size:14px}.review-info .review-stars{color:var(--gold);font-size:13px;letter-spacing:2px}
.review-text{font-size:13px;color:var(--text-muted);line-height:1.5;margin-bottom:10px}
.review-photo{border-radius:12px;max-height:280px;object-fit:cover;width:100%}

/* ── Steps ── */
.steps-list{counter-reset:step;list-style:none}.steps-list li{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.steps-list li:last-child{margin-bottom:0}
.step-num{counter-increment:step;flex-shrink:0;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center}.step-num::after{content:counter(step)}
.step-content .step-title{font-weight:700;font-size:14px;margin-bottom:2px}.step-content .step-desc{font-size:13px;color:var(--text-muted)}

/* ── Guarantee ── */
.guarantee-block{background:var(--green-bg);border:1px solid rgba(63,185,80,.2);border-radius:var(--radius);padding:20px;text-align:center}
.guarantee-block .g-icon{font-size:36px;margin-bottom:10px}.guarantee-block .g-title{font-weight:700;font-size:17px;margin-bottom:6px}.guarantee-block .g-text{font-size:13px;color:var(--text-muted);line-height:1.5}

/* ── Form ── */
.form-section{background:linear-gradient(180deg,var(--accent-light) 0%,var(--bg) 100%);padding:28px 16px 36px}
.form-wrap{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px 20px;box-shadow:var(--shadow-lg)}
.form-title{text-align:center;font-size:20px;font-weight:800;text-transform:uppercase;margin-bottom:4px}.form-subtitle{text-align:center;font-size:13px;color:var(--text-muted);margin-bottom:18px}
.form-group{margin-bottom:12px}.form-group label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:5px;font-weight:500}
.form-input{width:100%;padding:13px 15px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-family:var(--font);font-size:15px;color:var(--text);outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:#555}
.form-price-summary{display:flex;justify-content:space-between;align-items:center;padding:12px 0;margin-bottom:14px;border-top:1px solid var(--border)}.form-price-summary .fps-label{font-size:13px;color:var(--text-muted)}.form-price-summary .fps-price{font-size:22px;font-weight:800;color:var(--accent)}
.btn-submit{display:block;width:100%;padding:16px;background:linear-gradient(180deg,var(--cta-top),var(--cta-bot));border:none;border-bottom:3px solid var(--accent-dark);border-radius:14px;font-family:var(--font);font-size:17px;font-weight:700;color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:.8px;box-shadow:0 4px 16px rgba(29,95,168,.25);position:relative;overflow:hidden}
.btn-submit::after{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);animation:shimmer 2.8s infinite}
.btn-submit:active{transform:translateY(2px)}.btn-submit:disabled{opacity:.5;cursor:not-allowed}

/* ── FAQ ── */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden;background:var(--surface)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:14px;cursor:pointer;font-weight:600;font-size:14px}.faq-q:hover{background:var(--card)}.faq-q .faq-arrow{font-size:16px;transition:transform .3s;color:var(--text-muted)}.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s;font-size:13px;color:var(--text-muted);line-height:1.6}.faq-item.open .faq-a{max-height:500px}.faq-a-inner{padding:0 14px 14px}

/* ── Footer ── */
.footer{padding:20px 16px;text-align:center;font-size:12px;color:var(--text-muted);border-top:1px solid var(--border)}
.legal-links{margin-top:8px}.legal-links a{display:inline-block;margin:3px 5px;font-size:11px;color:var(--text-muted);text-decoration:underline}

/* ── Sticky ── */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:100;padding:10px 16px;background:rgba(22,27,34,.95);backdrop-filter:blur(10px);border-top:1px solid var(--border);transform:translateY(100%);transition:transform .3s;display:flex;align-items:center;justify-content:center;gap:12px;box-shadow:0 -4px 16px rgba(0,0,0,.4)}.sticky-cta.visible{transform:translateY(0)}
.sticky-cta .sticky-price{font-size:18px;font-weight:800;color:#fff}.sticky-cta .sticky-old{font-size:13px;text-decoration:line-through;color:var(--text-muted)}
.sticky-cta .btn-sticky{flex:1;max-width:240px;padding:12px 14px;background:linear-gradient(180deg,var(--cta-top),var(--cta-bot));border:none;border-radius:10px;font-family:var(--font);font-size:14px;font-weight:700;color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:.5px}
@media(min-width:520px){.sticky-cta{max-width:480px;left:50%;right:auto;transform:translate(-50%,100%);border-radius:14px 14px 0 0}.sticky-cta.visible{transform:translate(-50%,0)}}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s ease,transform .5s ease}.reveal.visible{opacity:1;transform:translateY(0)}

/* ══ Селект у формі (конвенція ТЗ) ══ */
.form-select{width:100%;padding:13px 15px;background:var(--card);border:1px solid var(--border);border-radius:12px;font-family:var(--font);font-size:16px;color:var(--text);outline:none;appearance:auto;-webkit-appearance:auto;cursor:pointer;transition:border-color .2s}
.form-select:focus{border-color:var(--accent)}

/* ══ Реквізити продавця у футері ══ */
.seller-box{text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:14px 16px;margin-bottom:14px}
.seller-title{font-size:11.5px;text-transform:uppercase;letter-spacing:1px;font-weight:700;margin-bottom:8px;color:var(--text-muted)}
.seller-row{font-size:12.5px;line-height:1.65;color:var(--text-muted)}
.seller-row a{color:var(--accent-dark);text-decoration:underline}
.footer-disclaimer{font-size:11.5px;line-height:1.55;color:var(--text-muted);margin-top:14px;text-align:left}
.footer-copy{font-size:11.5px;line-height:1.5;color:var(--text-muted);margin-top:12px}