/* ── Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --bg:#111216;
    --card:#1a1b20;
    --surface:#222328;
    --border:#2e3038;
    --text:#f0f0f2;
    --text-muted:#9a9ba3;
    --accent:#c0392b;
    --accent-light:#2a1a18;
    --accent-dark:#962d22;
    --gold:#c9a96e;
    --gold-light:#1f1c14;
    --price-bg:#1e1210;
    --cta-top:#d44637;
    --cta-bot:#b03025;
    --shadow:0 2px 12px rgba(0,0,0,0.3);
    --shadow-lg:0 8px 32px rgba(0,0,0,0.4);
    --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:1.5;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,#151618 0%,var(--card) 100%);padding-bottom:24px;text-align:center}
.hero-badge{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:13px;letter-spacing:1px;text-transform:uppercase;padding:8px 20px;border-radius:0 0 12px 12px}
.hero-img{width:100%;object-fit:cover}
.hero h1{font-size:22px;font-weight:800;line-height:1.3;padding:0 16px;margin-top:16px;text-transform:uppercase;letter-spacing:0.5px}
.hero-sub{color:var(--text-muted);font-size:15px;padding:0 16px;margin-top:8px}

/* ── Price block ── */
.price-block{display:flex;align-items:center;justify-content:center;gap:16px;margin:20px 16px 0;padding:16px;background:var(--price-bg);border:1px solid #3a2018;border-radius:var(--radius)}
.price-old{text-align:center}.price-old .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.5px}.price-old .val{font-size:22px;text-decoration:line-through;color:var(--text-muted);font-weight:600}
.price-divider{width:2px;height:40px;background:#3a2018}
.price-new{text-align:center}.price-new .label{font-size:12px;color:var(--accent);text-transform:uppercase;letter-spacing:0.5px;font-weight:600}.price-new .val{font-size:30px;font-weight:800;color:var(--accent)}.price-new .val small{font-size:18px;font-weight:600}
.discount-tag{display:inline-block;background:var(--accent);color:#fff;font-weight:700;font-size:14px;padding:4px 12px;border-radius:8px;margin-left:8px}

/* ── Trust badges ── */
.trust-badges{display:flex;justify-content:center;gap:8px;margin:16px 16px 0;flex-wrap:wrap}
.trust-badge{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:13px;color:var(--text-muted)}
.trust-badge span.icon{font-size:16px}

/* ── CTA ── */
.btn-cta{display:block;width:calc(100% - 32px);margin:20px auto 0;padding:18px 24px;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:18px;font-weight:700;color:#fff;text-align:center;cursor:pointer;text-transform:uppercase;letter-spacing:1px;transition:transform 0.15s,box-shadow 0.15s;box-shadow:0 4px 20px rgba(192,57,43,0.3)}
.btn-cta:active{transform:translateY(2px);box-shadow:none}

/* ── Sections ── */
.section{padding:32px 16px}
.section-alt{background:var(--surface)}
.section-title{font-size:21px;font-weight:800;text-align:center;margin-bottom:20px;text-transform:uppercase;line-height:1.3}
.section-title span{color:var(--accent)}
.desc-text{font-size:15px;color:var(--text-muted);text-align:center;line-height:1.6;margin-bottom:20px}

/* ══ SET SELECTOR ══ */
.set-selector{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px}
.set-card{position:relative;background:var(--card);border:2px solid var(--border);border-radius:16px;padding:16px 12px;text-align:center;cursor:pointer;transition:border-color 0.3s,box-shadow 0.3s}
.set-card.active{border-color:var(--accent);box-shadow:0 4px 20px rgba(192,57,43,0.2)}
.set-card .set-icon{font-size:36px;margin-bottom:8px;display:block}
.set-card .set-label{font-size:14px;font-weight:700;margin-bottom:4px;line-height:1.3}
.set-card .set-price{font-size:22px;font-weight:800;color:var(--accent)}
.set-card .set-price small{font-size:13px;font-weight:600}
.set-card .set-old{font-size:13px;text-decoration:line-through;color:var(--text-muted)}
.set-card .set-badge{position:absolute;top:-1px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:4px 14px;border-radius:0 0 10px 10px}
.set-items{list-style:none;text-align:left;margin-top:10px;padding-top:10px;border-top:1px solid var(--border)}
.set-items li{font-size:12px;color:var(--text-muted);padding:3px 0;display:flex;align-items:flex-start;gap:6px}
.set-items li::before{content:'✓';color:var(--accent);font-weight:700;font-size:13px;flex-shrink:0}
.set-card .set-save{display:inline-block;background:var(--accent);color:#fff;font-size:11px;font-weight:700;padding:2px 10px;border-radius:6px;margin-top:8px}

/* ══ COLOR PICKER ══ */
.color-section{margin-bottom:24px}
.color-section .cs-title{font-size:14px;font-weight:600;text-align:center;margin-bottom:12px}
.color-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.color-opt{position:relative;border:2px solid var(--border);border-radius:14px;overflow:hidden;cursor:pointer;transition:border-color 0.2s,transform 0.2s;background:var(--card)}
.color-opt.active{border-color:var(--accent);transform:scale(1.03);box-shadow:0 2px 12px rgba(192,57,43,0.2)}
.color-opt img{width:100%;aspect-ratio:1/1;object-fit:cover}
.color-opt .co-name{display:block;text-align:center;font-size:13px;font-weight:600;padding:8px 4px;line-height:1.3}

/* ── 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}
.color-label{font-size:15px;font-weight:700;text-align:center;margin-bottom:12px;color:var(--text-muted)}
.color-label b{color:var(--text)}

/* ── Features ── */
.features-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 14px;text-align:center;box-shadow:var(--shadow)}
.feature-card .f-icon{font-size:32px;margin-bottom:10px}
.feature-card .f-title{font-weight:700;font-size:14px;margin-bottom:6px}
.feature-card .f-desc{font-size:13px;color:var(--text-muted);line-height:1.5}

/* ── Specs ── */
.specs-list{list-style:none}.specs-list li{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border);font-size:15px}.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}

/* ── Reviews ── */
.review-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:18px;color:#fff}
.review-info .review-name{font-weight:700;font-size:15px}.review-info .review-stars{color:#f5a623;font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--text-muted);line-height:1.5;margin-bottom:12px}
.review-photo{border-radius:12px;max-height:300px;object-fit:cover;width:100%}

/* ── Steps ── */
.steps-list{counter-reset:step;list-style:none}.steps-list li{display:flex;align-items:flex-start;gap:14px;margin-bottom:20px}.steps-list li:last-child{margin-bottom:0}
.step-num{counter-increment:step;flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center}.step-num::after{content:counter(step)}
.step-content .step-title{font-weight:700;font-size:15px;margin-bottom:2px}.step-content .step-desc{font-size:14px;color:var(--text-muted)}

/* ── Guarantee ── */
.guarantee-block{background:var(--accent-light);border:1px solid #3a2018;border-radius:var(--radius);padding:24px;text-align:center}
.guarantee-block .g-icon{font-size:40px;margin-bottom:12px}.guarantee-block .g-title{font-weight:700;font-size:18px;margin-bottom:8px}.guarantee-block .g-text{font-size:14px;color:var(--text-muted);line-height:1.5}

/* ── Form ── */
.form-section{background:linear-gradient(180deg,var(--accent-light) 0%,var(--bg) 100%);padding:32px 16px 40px}
.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:14px;color:var(--text-muted);margin-bottom:20px}
.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px;font-weight:500}
.form-input{width:100%;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-family:var(--font);font-size:16px;color:var(--text);outline:none;transition:border-color 0.2s}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:#555}
.form-select{width:100%;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-family:var(--font);font-size:16px;color:var(--text);outline:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239a9ba3' stroke-width='2' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;cursor:pointer}.form-select:focus{border-color:var(--accent)}.form-select option{background:var(--card);color:var(--text)}
.form-price-summary{display:flex;justify-content:space-between;align-items:center;padding:14px 0;margin-bottom:16px;border-top:1px solid var(--border)}.form-price-summary .fps-label{font-size:14px;color:var(--text-muted)}.form-price-summary .fps-price{font-size:24px;font-weight:800;color:var(--accent)}
.btn-submit{display:block;width:100%;padding:18px;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:18px;font-weight:700;color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:1px;transition:transform 0.15s,opacity 0.15s;box-shadow:0 4px 16px rgba(192,57,43,0.3)}.btn-submit:active{transform:translateY(2px)}.btn-submit:disabled{opacity:0.6;cursor:not-allowed}

/* ── FAQ ── */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;background:var(--surface)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:16px;cursor:pointer;font-weight:600;font-size:15px;transition:background 0.2s}.faq-q:hover{background:var(--card)}.faq-q .faq-arrow{font-size:18px;transition:transform 0.3s;color:var(--text-muted)}.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 0.3s ease;font-size:14px;color:var(--text-muted);line-height:1.6}.faq-item.open .faq-a{max-height:300px}.faq-a-inner{padding:0 16px 16px}

/* ── Footer ── */
.footer{padding:24px 16px;text-align:center;font-size:13px;color:var(--text-muted);border-top:1px solid var(--border)}.footer a{color:var(--text-muted);display:inline-block;margin:0 8px}
.legal-links{margin-top:12px}.legal-links a{display:inline-block;margin:4px 6px;font-size:12px;color:var(--text-muted);text-decoration:underline}

/* ── Sticky CTA ── */
.sticky-cta{position:fixed;bottom:0;left:0;right:0;z-index:100;padding:12px 16px;background:rgba(26,27,32,0.95);backdrop-filter:blur(10px);border-top:1px solid var(--border);transform:translateY(100%);transition:transform 0.3s ease;display:flex;align-items:center;justify-content:center;gap:12px;box-shadow:0 -4px 20px rgba(0,0,0,0.4)}.sticky-cta.visible{transform:translateY(0)}
.sticky-cta .sticky-price{font-size:20px;font-weight:800;color:var(--accent);white-space:nowrap}.sticky-cta .sticky-old{font-size:14px;text-decoration:line-through;color:var(--text-muted)}
.sticky-cta .btn-sticky{flex:1;max-width:260px;padding:14px 16px;background:linear-gradient(180deg,var(--cta-top),var(--cta-bot));border:none;border-radius:12px;font-family:var(--font);font-size:15px;font-weight:700;color:#fff;cursor:pointer;text-transform:uppercase;letter-spacing:0.5px}
@media(min-width:520px){.sticky-cta{max-width:480px;left:50%;right:auto;transform:translate(-50%,100%);border-radius:16px 16px 0 0}.sticky-cta.visible{transform:translate(-50%,0)}}

.reveal{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}.reveal.visible{opacity:1;transform:translateY(0)}

/* ══ MATERIAL COMPARE ══ */
.material-compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.mat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 14px;text-align:center}
.mat-card .mat-icon{font-size:36px;margin-bottom:8px}
.mat-card .mat-name{font-weight:800;font-size:16px;margin-bottom:12px;text-transform:uppercase;letter-spacing:0.5px}
.mat-card .mat-pros{list-style:none;text-align:left;margin-bottom:12px}
.mat-card .mat-pros li{font-size:13px;color:var(--text-muted);padding:4px 0;display:flex;align-items:flex-start;gap:6px;line-height:1.4}
.mat-card .mat-pros li::before{content:'✓';color:var(--accent);font-weight:700;flex-shrink:0}
.mat-card .mat-best{font-size:12px;color:var(--gold);font-weight:600;padding:6px 10px;background:var(--gold-light);border-radius:8px;display:inline-block}

/* ══ CONFIGURATOR STEPS ══ */
.cfg-step{margin-bottom:20px}
.cfg-step-label{font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:10px;text-align:center}

/* ══ MATERIAL TABS (configurator) ══ */
.material-selector{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mat-tab{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 12px;background:var(--card);border:2px solid var(--border);border-radius:14px;cursor:pointer;transition:border-color 0.2s,box-shadow 0.2s}
.mat-tab.active{border-color:var(--accent);box-shadow:0 2px 12px rgba(192,57,43,0.2)}
.mat-tab .mat-tab-icon{font-size:22px}
.mat-tab .mat-tab-name{font-weight:700;font-size:15px}

/* ══ SPECS TABS ══ */
.specs-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}
.specs-tab{padding:10px;text-align:center;font-weight:700;font-size:14px;background:var(--surface);border:2px solid var(--border);border-radius:12px;cursor:pointer;transition:border-color 0.2s,color 0.2s}
.specs-tab.active{border-color:var(--accent);color:var(--accent)}

/* ══ REVIEW MATERIAL BADGE ══ */
.review-badge-material{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;padding:3px 10px;border-radius:6px;margin-bottom:10px;background:var(--accent-light);color:var(--accent);border:1px solid #3a2018}