/* HERO */
.hero { padding: 56px 0 80px; position: relative; overflow: hidden; }
.hero::before {
    content: ''; position: absolute;
    top: -100px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
    pointer-events: none; opacity: 0.6;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; position: relative; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 14px;
    background: var(--accent-soft); color: var(--accent);
    border-radius: 100px;
    font-size: 13px; font-weight: 600;
    margin-bottom: 24px;
}
.hero-tag::before { content: ''; width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.05; font-weight: 600;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}
.hero h1 .accent-word { color: var(--accent); }
.hero h1 .highlight-word {
    background: var(--highlight);
    padding: 0 12px; margin: 0 -2px;
    border-radius: 6px; color: var(--ink);
    display: inline-block;
}
.hero-sub { font-size: 18px; color: var(--ink-soft); margin-bottom: 36px; max-width: 520px; line-height: 1.5; }
.hero-stats { display: flex; gap: 40px; padding-top: 32px; border-top: 1px solid var(--line); }
.hero-stat-num {
    font-family: var(--font-display);
    font-size: 32px; font-weight: 700;
    line-height: 1; letter-spacing: -0.04em;
    display: inline-flex; align-items: baseline; gap: 8px;
}
.hero-stat-delta {
    font-family: var(--font-body);
    font-size: 12px; font-weight: 700;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 3px 8px; border-radius: 100px;
    letter-spacing: 0;
}
.hero-stat-label { font-size: 13px; color: var(--ink-muted); margin-top: 8px; font-weight: 500; }

/* КАЛЬКУЛЯТОР */
.calculator {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--line);
    position: relative;
}
.calculator::before {
    content: '01'; position: absolute; top: -16px; left: 24px;
    font-family: var(--font-display);
    font-size: 12px; font-weight: 700;
    background: var(--ink); color: var(--bg);
    padding: 5px 12px; border-radius: 100px;
    letter-spacing: 0.05em;
}
.calc-title {
    font-family: var(--font-display);
    font-size: 20px; font-weight: 600;
    margin-bottom: 28px; letter-spacing: -0.03em;
}
.calc-field { margin-bottom: 24px; }
.calc-field-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.calc-label { font-size: 13px; color: var(--ink-muted); font-weight: 600; }
.calc-value {
    font-family: var(--font-display);
    font-size: 26px; font-weight: 700;
    letter-spacing: -0.03em;
}
.calc-value-sub { font-size: 14px; color: var(--ink-muted); margin-left: 4px; font-family: var(--font-body); font-weight: 500; }
.slider {
    -webkit-appearance: none; width: 100%;
    height: 4px; background: var(--line);
    border-radius: 2px; outline: none;
}
.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px; height: 24px;
    background: var(--ink);
    border-radius: 50%; cursor: pointer;
    border: 4px solid var(--bg-card);
    box-shadow: 0 0 0 1px var(--ink);
    transition: transform 0.15s;
}
.slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.slider::-moz-range-thumb {
    width: 24px; height: 24px;
    background: var(--ink);
    border-radius: 50%; cursor: pointer;
    border: 4px solid var(--bg-card);
    box-shadow: 0 0 0 1px var(--ink);
}
.slider-marks { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-muted); margin-top: 8px; font-weight: 500; }
.calc-summary {
    background: var(--bg-soft);
    border-radius: var(--radius);
    padding: 20px; margin-bottom: 20px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.calc-summary-item .label { font-size: 12px; color: var(--ink-muted); font-weight: 600; margin-bottom: 6px; }
.calc-summary-item .value {
    font-family: var(--font-display);
    font-size: 19px; font-weight: 700;
    letter-spacing: -0.03em;
}
.calc-summary-item .value.accent { color: var(--accent); }
.calc-note { text-align: center; font-size: 12px; color: var(--ink-muted); margin-top: 12px; font-weight: 500; }



/* КАК ЭТО РАБОТАЕТ */
.how { padding: 80px 0; background: var(--ink); color: var(--bg); position: relative; overflow: hidden; }
.how::before {
    content: ''; position: absolute;
    top: 50%; right: -200px; transform: translateY(-50%);
    width: 500px; height: 500px;
    border: 1px solid rgba(232, 255, 90, 0.15);
    border-radius: 50%;
}
.how::after {
    content: ''; position: absolute;
    top: 50%; right: -100px; transform: translateY(-50%);
    width: 300px; height: 300px;
    border: 1px solid rgba(232, 255, 90, 0.1);
    border-radius: 50%;
}
.how .section-eyebrow { color: var(--highlight); }
.how h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.05; font-weight: 600;
    letter-spacing: -0.04em;
    margin-bottom: 56px; max-width: 700px;
}
.how h2 .accent-word { color: var(--highlight); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.step {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.02);
}
.step:hover {
    background: rgba(232, 255, 90, 0.05);
    border-color: var(--highlight);
    transform: translateY(-4px);
}
.step-num {
    font-family: var(--font-display);
    font-size: 48px; font-weight: 700;
    line-height: 1; color: var(--highlight);
    margin-bottom: 24px; letter-spacing: -0.06em;
}
.step-title {
    font-family: var(--font-display);
    font-size: 18px; font-weight: 600;
    margin-bottom: 10px; letter-spacing: -0.03em;
}
.step-text { font-size: 14px; color: rgba(244, 239, 230, 0.7); line-height: 1.5; font-weight: 500; }

/* ДОВЕРИЕ */

/* ПОДБОРКИ */
.collections { padding: 80px 0; background: var(--bg-soft); }
.coll-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.coll-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--line);
    transition: all 0.25s;
    position: relative; overflow: hidden;
}
.coll-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.coll-card .coll-icon {
    font-family: var(--font-display);
    font-size: 12px; font-weight: 700;
    color: var(--ink-muted);
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    text-transform: uppercase;
}
.coll-card h3 {
    font-family: var(--font-display);
    font-size: 22px; font-weight: 600;
    line-height: 1.15; margin-bottom: 12px;
    letter-spacing: -0.03em;
}
.coll-card p { font-size: 14px; color: var(--ink-soft); margin-bottom: 24px; line-height: 1.5; font-weight: 500; }
.coll-card .coll-list { list-style: none; margin-bottom: 24px; }
.coll-card .coll-list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--line);
    font-size: 13px;
    display: flex; justify-content: space-between;
    color: var(--ink-soft); font-weight: 500;
}
.coll-card .coll-list li:last-child { border-bottom: 0; }
.coll-card .coll-list .name { font-weight: 600; color: var(--ink); }
.coll-card .coll-cta {
    color: var(--accent); font-weight: 600;
    font-size: 14px;
    display: inline-flex; align-items: center; gap: 4px;
    transition: gap 0.2s;
}
.coll-card .coll-cta:hover { gap: 10px; }


/* FAQ */
.faq-section { padding: 80px 0; background: var(--bg-soft); }
.faq-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px; align-items: start; }
.faq-side h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.05; font-weight: 600;
    letter-spacing: -0.04em; margin-bottom: 16px;
}
.faq-side h2 .accent-word { color: var(--accent); }
.faq-side p { font-size: 15px; color: var(--ink-soft); margin-bottom: 24px; line-height: 1.55; }
.faq-side .btn-primary { width: auto; display: inline-flex; padding: 14px 28px; }
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.2s;
}
.faq-item.open { border-color: var(--accent); }
.faq-question {
    width: 100%; padding: 20px 24px;
    text-align: left;
    font-family: var(--font-display);
    font-size: 16px; font-weight: 600;
    letter-spacing: -0.03em;
    display: flex; justify-content: space-between; align-items: center;
    gap: 16px; cursor: pointer;
}
.faq-icon {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--bg-soft);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; transition: all 0.2s;
    flex-shrink: 0; font-weight: 600;
}
.faq-item.open .faq-icon { background: var(--accent); color: var(--bg); transform: rotate(45deg); }
.faq-answer {
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
    font-size: 15px; color: var(--ink-soft); line-height: 1.6;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 24px; }


/* MOBILE */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .steps { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .coll-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .faq-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    .hero { padding: 32px 0 48px; }
    .hero-inner { gap: 32px; }
    .hero h1 { font-size: 30px; margin-bottom: 16px; }
    .hero-sub { font-size: 16px; margin-bottom: 28px; }
    .hero-stats { gap: 20px; padding-top: 24px; flex-wrap: wrap; }
    .hero-stat-num { font-size: 24px; }
    .hero-stat-label { font-size: 12px; margin-top: 4px; }
    .calculator { padding: 22px 18px; }
    .calc-title { font-size: 17px; margin-bottom: 20px; }
    .calc-field { margin-bottom: 18px; }
    .calc-value { font-size: 20px; }
    .calc-summary { padding: 16px; gap: 12px; }
    .calc-summary-item .value { font-size: 16px; }
    .how { padding: 48px 0; }
    .how h2 { font-size: 24px; margin-bottom: 32px; }
    .steps { grid-template-columns: 1fr; }
    .step { padding: 22px; }
    .step-num { font-size: 36px; margin-bottom: 16px; }
    .step-title { font-size: 16px; }
    .collections { padding: 48px 0; }
    .coll-grid { grid-template-columns: 1fr; }
    .coll-card { padding: 24px; }
    .coll-card h3 { font-size: 19px; }
    .faq-section { padding: 48px 0; }
    .faq-side h2 { font-size: 24px; }
    .faq-question { padding: 16px 18px; font-size: 15px; gap: 10px; }
    .faq-item.open .faq-answer { padding: 0 18px 18px; font-size: 14px; max-height: 500px; }
}
@media (max-width: 380px) {
    .hero h1 { font-size: 26px; }
    .how h2, .faq-side h2 { font-size: 22px; }
    .coll-card .coll-list li { flex-direction: column; align-items: flex-start; gap: 2px; }
}
