/* ed: 2026-07-25 — Текстиль. Редизайн: минимализм, воздух, визуальная иерархия
   Селекторы kt- */

.kt-page { padding-top: 0; position: relative; }

/* ===== HERO ===== */
.kt-hero {
    position: relative;
    min-height: 100dvh;
    min-height: 100vh;
    display: flex;
    align-items: center;
    z-index: 1;
    overflow: hidden;
}
.kt-hero-bg { position: absolute; inset: 0; z-index: 0; }
.kt-hero-image {
    position: absolute; inset: 0; z-index: 1;
    background: url('/_app/images/hero-interior-ulvlspace-engineering-studio.webp') center/cover no-repeat;
    transform: scale(1.05);
    transition: transform 0.6s var(--transition-smooth);
    will-change: transform;
}
.kt-hero:hover .kt-hero-image { transform: scale(1.12); }
.kt-hero-overlay {
    position: absolute; inset: 0; z-index: 2;
    background: linear-gradient(180deg,
        rgba(var(--surface-deep-rgb), 0.95) 0%,
        rgba(var(--surface-deep-rgb), 0.55) 40%,
        rgba(var(--surface-deep-rgb), 0.9) 75%,
        var(--surface-deep) 100%);
}
.kt-hero::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
    background: linear-gradient(to top, var(--surface-deep) 0%, transparent 100%);
    z-index: 0; pointer-events: none;
}

.kt-hero-inner {
    position: relative; z-index: 3;
    max-width: 720px;
    padding: 140px 0 80px;
    animation: kt-fadeInUp 0.8s ease-out;
}
@keyframes kt-fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) { .kt-hero-inner { animation: none; } }

.kt-hero-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 24px;
}

.kt-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6.5vw, 72px);
    font-weight: 800;
    color: var(--text-body);
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}
.kt-hero h1 .accent {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-light) 60%, var(--accent-gold) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.kt-hero-sub {
    font-size: clamp(18px, 2.2vw, 22px);
    color: rgba(var(--text-body-rgb), 0.7);
    margin: 0 0 40px;
    line-height: 1.6;
    max-width: 560px;
}

.kt-hero-cta { margin-bottom: 24px; }

.kt-hero-foot {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.45);
    letter-spacing: 0.01em;
}

/* ===== NUMBERS ===== */
.kt-numbers { padding: 56px 0; border-top: 1px solid rgba(var(--text-body-rgb), 0.04); border-bottom: 1px solid rgba(var(--text-body-rgb), 0.06); }
.kt-numbers-row { display: flex; justify-content: space-between; gap: 24px; }
.kt-number { text-align: center; flex: 1; }
.kt-number-val {
    display: block;
    font-family: var(--font-heading);
    font-size: clamp(36px, 4.5vw, 56px);
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}
.kt-number-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(var(--text-body-rgb), 0.5);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ===== UTP ===== */
.kt-utp { padding: 64px 0; }
.kt-utp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 48px; }
.kt-utp-item {
    display: flex; align-items: flex-start; gap: 16px;
}
.kt-utp-item svg {
    color: var(--accent-gold); flex-shrink: 0; margin-top: 2px;
}
.kt-utp-item strong {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 4px;
}
.kt-utp-item span {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.6);
    line-height: 1.5;
}

/* ===== SEGMENTS ===== */
.kt-segments { padding: 0 0 80px; }
.kt-section-heading {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}
.kt-segments-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.kt-segment {
    padding: 32px;
    border: 1px solid rgba(var(--text-body-rgb), 0.08);
    border-radius: 16px;
    transition: border-color 0.3s ease;
}
.kt-segment:hover { border-color: rgba(var(--accent-gold-rgb), 0.2); }
.kt-segment-emoji { font-size: 32px; display: block; margin-bottom: 16px; }
.kt-segment h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 8px;
}
.kt-segment p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.6);
    line-height: 1.5;
    margin: 0;
}

/* ===== INCLUDE GRID ===== */
.kt-include-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
    margin-bottom: 32px;
}
.kt-include-item {
    padding: 32px;
    background: var(--surface-elevated);
    border-radius: 16px;
    transition: transform 0.3s ease;
}
.kt-include-item:hover { transform: translateY(-4px); }
.kt-include-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(var(--accent-gold-rgb), 0.1);
    border-radius: 12px;
    color: var(--accent-gold);
    margin-bottom: 20px;
}
.kt-include-item h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 6px;
}
.kt-include-item p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.6);
    line-height: 1.5;
    margin: 0;
}
.kt-include-note {
    padding: 24px 32px;
    background: rgba(var(--accent-gold-rgb), 0.04);
    border-left: 3px solid var(--accent-gold);
    border-radius: 0 12px 12px 0;
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.7);
    line-height: 1.6;
    margin: 0;
}

/* ===== PROCESS ===== */
.kt-process {
    display: flex; flex-direction: column; gap: 0;
    max-width: 640px;
    position: relative;
    padding-left: 72px;
}
.kt-process::before {
    content: '';
    position: absolute; left: 23px; top: 8px; bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-gold), rgba(var(--accent-gold-rgb), 0.2));
}
.kt-process-step {
    position: relative;
    padding: 24px 0;
    border-bottom: 1px solid rgba(var(--text-body-rgb), 0.06);
}
.kt-process-step:last-child { border-bottom: none; }
.kt-process-num {
    position: absolute; left: -72px; top: 24px;
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(var(--accent-gold-rgb), 0.08);
    border: 2px solid rgba(var(--accent-gold-rgb), 0.3);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 800;
    color: var(--accent-gold);
    z-index: 2;
}
.kt-process-body h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 6px;
}
.kt-process-body p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.6);
    line-height: 1.5;
    margin: 0;
}

/* ===== VS (trust grid) ===== */
.kt-vs { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.kt-vs-col { padding: 40px; border-radius: 20px; }
.kt-vs-col--errors {
    background: rgba(var(--text-body-rgb), 0.03);
    border: 1px solid rgba(var(--text-body-rgb), 0.06);
}
.kt-vs-col--gains {
    background: rgba(var(--accent-gold-rgb), 0.04);
    border: 1px solid rgba(var(--accent-gold-rgb), 0.1);
}
.kt-vs-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(var(--text-body-rgb), 0.08);
    display: flex; align-items: center; gap: 10px;
}
.kt-vs-title svg { flex-shrink: 0; color: var(--accent-gold); }
.kt-vs-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 20px; }
.kt-vs-list li { display: flex; align-items: flex-start; gap: 12px; }
.kt-vs-mark {
    width: 28px; height: 28px; min-width: 28px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 8px; flex-shrink: 0;
}
.kt-vs-mark--x { background: rgba(var(--text-body-rgb), 0.06); color: rgba(var(--text-body-rgb), 0.4); }
.kt-vs-mark--check { background: rgba(var(--accent-gold-rgb), 0.12); color: var(--accent-gold); }
.kt-vs-list li strong {
    display: block;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-body);
    margin-bottom: 2px;
}
.kt-vs-list li span {
    font-size: var(--text-sm);
    color: rgba(var(--text-body-rgb), 0.5);
}

/* ===== TABLE ===== */
.kt-table-wrap {
    background: var(--surface-elevated);
    border: 1px solid rgba(var(--text-body-rgb), 0.08);
    border-radius: 16px;
    overflow: hidden;
}
.kt-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-base);
}
.kt-table thead th {
    padding: 20px 28px;
    text-align: left;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(var(--text-body-rgb), 0.5);
    background: rgba(var(--accent-gold-rgb), 0.04);
    border-bottom: 1px solid rgba(var(--text-body-rgb), 0.06);
}
.kt-table thead th.kt-table-us { color: var(--accent-gold); }
.kt-table td {
    padding: 18px 28px;
    border-bottom: 1px solid rgba(var(--text-body-rgb), 0.04);
    color: rgba(var(--text-body-rgb), 0.7);
}
.kt-table td:first-child { font-weight: 600; color: var(--text-body); }
.kt-table td.kt-table-us { color: var(--accent-gold); font-weight: 700; }
.kt-table tbody tr:last-child td { border-bottom: none; }
.kt-table tbody tr:hover { background: rgba(var(--accent-gold-rgb), 0.02); }
.kt-table-note {
    margin-top: 16px;
    font-size: var(--text-sm);
    color: rgba(var(--text-body-rgb), 0.4);
    text-align: center;
}

/* ===== EXPERT ===== */
.kt-expert {
    display: grid; grid-template-columns: 5fr 3fr; gap: 48px; align-items: start;
}
.kt-expert-quote {
    font-size: var(--text-xl);
    line-height: 1.75;
    color: rgba(var(--text-body-rgb), 0.8);
    margin: 0 0 28px;
    padding: 0;
    border: none;
    font-style: italic;
}
.kt-expert-quote::before { content: '\201C'; font-size: 48px; color: var(--accent-gold); line-height: 0.5; display: block; margin-bottom: 16px; }
.kt-expert-byline { display: flex; flex-direction: column; gap: 4px; }
.kt-expert-name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-body);
}
.kt-expert-role {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.5);
}
.kt-expert-partner {
    padding: 36px;
    background: var(--surface-elevated);
    border: 1px solid rgba(var(--accent-gold-rgb), 0.1);
    border-radius: 20px;
}
.kt-expert-partner h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 12px;
}
.kt-expert-partner p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.6);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* ===== FAQ ===== */
.kt-faq { max-width: 680px; }
.kt-faq-item {
    border-bottom: 1px solid rgba(var(--text-body-rgb), 0.08);
    padding: 0;
}
.kt-faq-q {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 24px 0;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-body);
    cursor: pointer;
    list-style: none;
    transition: color 0.2s ease;
}
.kt-faq-q::-webkit-details-marker { display: none; }
.kt-faq-q::marker { display: none; content: ''; }
.kt-faq-q::after {
    content: '+';
    font-size: 24px;
    font-weight: 300;
    color: var(--accent-gold);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
details[open] .kt-faq-q::after { content: '−'; }
.kt-faq-q:hover { color: var(--accent-gold); }
.kt-faq-a { padding: 0 0 24px; }
.kt-faq-a p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.65);
    line-height: 1.7;
    margin: 0;
}

/* ===== CALCULATOR ===== */
.kt-calc-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.kt-calc-urgent {
    padding: 48px;
    background: rgba(var(--accent-gold-rgb), 0.04);
    border: 1px solid rgba(var(--accent-gold-rgb), 0.1);
    border-radius: 20px;
    display: flex; flex-direction: column;
}
.kt-calc-urgent-tag {
    display: inline-block; align-self: flex-start;
    padding: 6px 14px;
    background: rgba(var(--accent-gold-rgb), 0.12);
    border-radius: 20px;
    font-size: var(--text-sm); font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 24px;
}
.kt-calc-urgent h2 {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 12px;
}
.kt-calc-urgent p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.65);
    line-height: 1.6;
    margin-bottom: 32px;
    flex: 1;
}
.kt-calc-form {
    padding: 48px;
    background: var(--surface-elevated);
    border: 1px solid rgba(var(--text-body-rgb), 0.08);
    border-radius: 20px;
}
.kt-calc-form h2 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 28px;
}
.kt-calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 0; }
.kt-calc-field { margin-bottom: 16px; }
.kt-calc-field label {
    display: block;
    font-size: var(--text-xs);
    font-weight: 600;
    color: rgba(var(--text-body-rgb), 0.5);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.kt-calc-field select {
    width: 100%;
    padding: 12px 16px;
    background: var(--surface-page);
    border: 1px solid rgba(var(--text-body-rgb), 0.1);
    border-radius: 10px;
    font-size: var(--text-base);
    color: var(--text-body);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23999' stroke-width='2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    transition: border-color 0.2s ease;
}
.kt-calc-field select:focus { border-color: var(--accent-gold); outline: none; }
.kt-calc-result {
    margin-top: 24px; padding: 28px;
    background: rgba(var(--accent-gold-rgb), 0.06);
    border: 1px solid rgba(var(--accent-gold-rgb), 0.1);
    border-radius: 12px;
    text-align: center; display: none;
    animation: kt-fadeIn 0.4s ease-out;
}
.kt-calc-result.visible { display: block; }
@keyframes kt-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.kt-calc-result-price {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 800;
    color: var(--accent-gold);
    letter-spacing: -0.02em;
}
.kt-calc-result-note {
    font-size: var(--text-sm);
    color: rgba(var(--text-body-rgb), 0.4);
    margin-top: 4px;
}
.kt-calc-result-btn { margin-top: 16px; }

/* ===== RELATED ===== */
.kt-related { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.kt-related-card {
    display: block;
    padding: 28px 24px;
    background: rgba(var(--text-body-rgb), 0.04);
    border: 1px solid rgba(var(--text-body-rgb), 0.06);
    border-radius: 16px;
    text-decoration: none;
    transition: border-color 0.3s ease, transform 0.2s ease;
}
.kt-related-card:hover { border-color: rgba(var(--accent-gold-rgb), 0.2); transform: translateY(-2px); }
.kt-related-tag {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(var(--accent-gold-rgb), 0.1);
    border-radius: 4px;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.kt-related-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 6px;
}
.kt-related-card p {
    font-size: var(--text-base);
    color: rgba(var(--text-body-rgb), 0.55);
    line-height: 1.5;
    margin: 0;
}

/* ===== FINAL ===== */
.kt-final { padding: 80px 0; }
.kt-final-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.kt-final-inner h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700;
    color: var(--text-body);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.kt-final-inner > p {
    font-size: var(--text-lg);
    color: rgba(var(--text-body-rgb), 0.65);
    line-height: 1.6;
    margin-bottom: 32px;
}
.kt-final-btns {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
    margin-bottom: 32px;
}
.kt-final-phone { margin-bottom: 16px; }
.kt-final-phone a {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--accent-gold);
    text-decoration: none;
}
.kt-final-phone a:hover { text-decoration: underline; }
.kt-final-back {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: var(--text-base);
    color: rgba(var(--accent-gold-rgb), 0.5);
    text-decoration: none;
    transition: color 0.3s ease;
}
.kt-final-back:hover { color: var(--accent-gold); }

/* ===== STICKY CTA ===== */
.kt-sticky-cta {
    position: fixed; bottom: 24px; right: 24px; z-index: 100;
    opacity: 0; transform: translateY(20px); pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.kt-sticky-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.kt-sticky-cta-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-light) 100%);
    color: var(--text-on-gold); border: none; border-radius: 12px;
    font-family: var(--font-heading); font-size: var(--text-base); font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(var(--accent-gold-rgb), 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.kt-sticky-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(var(--accent-gold-rgb), 0.45); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .kt-utp-grid { gap: 24px 32px; }
    .kt-include-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .kt-process { padding-left: 64px; }
    .kt-process::before { left: 19px; }
    .kt-process-num { left: -64px; width: 40px; height: 40px; font-size: var(--text-sm); }
    .kt-vs { grid-template-columns: 1fr; }
    .kt-expert { grid-template-columns: 1fr; }
    .kt-calc-wrap { grid-template-columns: 1fr; }
    .kt-related { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .kt-hero-inner { padding: 100px 0 60px; }
    .kt-hero h1 { font-size: clamp(32px, 8vw, 44px); }
    .kt-numbers-row { flex-wrap: wrap; gap: 16px; }
    .kt-number { flex: 0 0 calc(50% - 8px); }
    .kt-utp-grid { grid-template-columns: 1fr; gap: 20px; }
    .kt-segments-row { grid-template-columns: 1fr; }
    .kt-include-grid { grid-template-columns: 1fr; }
    .kt-related { grid-template-columns: 1fr; }
    .kt-process { padding-left: 56px; }
    .kt-process::before { left: 15px; }
    .kt-process-num { left: -56px; width: 32px; height: 32px; font-size: var(--text-xs); }
    .kt-vs-col { padding: 28px; }
    .kt-table thead { display: none; }
    .kt-table, .kt-table tbody, .kt-table tr, .kt-table td { display: block; }
    .kt-table tr { padding: 16px 20px; border-bottom: 1px solid rgba(var(--text-body-rgb), 0.06); }
    .kt-table td { padding: 4px 0; border: none; }
    .kt-table td:first-child { font-size: var(--text-lg); margin-bottom: 8px; }
    .kt-table td.kt-table-us { color: var(--accent-gold); font-weight: 700; }
    .kt-expert-quote { font-size: var(--text-lg); }
    .kt-calc-urgent, .kt-calc-form { padding: 28px; }
    .kt-calc-row { grid-template-columns: 1fr; }
    .kt-final-btns { flex-direction: column; }
    .kt-final-btns .btn { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .kt-hero h1 { font-size: 32px; }
    .kt-hero-inner { padding: 80px 0 48px; }
    .kt-number-val { font-size: 36px; }
    .kt-section-heading { font-size: 24px; margin-bottom: 28px; }
    .kt-segment, .kt-include-item { padding: 24px; }
    .kt-process { padding-left: 48px; }
    .kt-process::before { left: 11px; }
    .kt-process-num { left: -48px; width: 28px; height: 28px; font-size: 11px; }
}