*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Manrope', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    cursor: none;
}

/* Cursor */
#cursor-dot, #cursor-ring {
    position: fixed;
    top: 0;
    left: 0;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}
#cursor-dot { width: 6px; height: 6px; background: var(--accent); }
#cursor-ring {
    width: 32px; height: 32px;
    border: 1px solid rgba(0,212,255,0.5);
    transition: transform 0.12s ease, width 0.2s, height 0.2s, border-color 0.2s;
}
body:has(a:hover) #cursor-ring,
body:has(button:hover) #cursor-ring {
    width: 48px; height: 48px;
    border-color: var(--accent);
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

::-webkit-scrollbar { width: 6px; }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 48px;
    transition: background 0.4s, border-bottom 0.4s;
}
.navbar.scrolled {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.navbar-logo {
    font-family: 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text);
    text-decoration: none;
}
.navbar-logo span { color: var(--accent); }
.nav-links {
    display: flex;
    gap: 36px;
    list-style: none;
}
.nav-links a {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.2s;
    padding: 6px 16px;
    border-radius: 8px;
}
.nav-links a.active {
    background: var(--nav-active-bg, #fff);
    color: var(--nav-active-text, #111);
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.btn-theme {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-cta {
    padding: 9px 22px;
    border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
    display: inline-block;
}
.btn-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
    z-index: -1;
}
.btn-cta:hover::before { transform: scaleX(1); }

/* Hero */
#hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 10px;
}

#poly-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.6;
}

#hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(5,13,26,0.35) 0%, transparent 45%, rgba(5,13,26,0.2) 100%);
    pointer-events: none;
}
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}
.hero-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 6px 18px;
    border-radius: 4px;
    margin-bottom: 32px;
    animation: fadeUp 0.8s 0.2s both;
}
.hero-title {
    font-family: 'Manrope', sans-serif;
    font-size: 35px;
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 28px;
    animation: fadeUp 0.8s 0.4s both;
    text-transform: uppercase;
    text-wrap: balance;
}
.hero-title em { font-style: normal; }
.hero-sub {
    font-family: 'Manrope', sans-serif;
    font-size: clamp(15px, 2vw, 18px);
    font-weight: 300;
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 44px;
    animation: fadeUp 0.8s 0.6s both;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeUp 0.8s 0.8s both;
}
.btn-primary {
    padding: 14px 36px;
    border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-secondary {
    padding: 14px 36px;
    border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.25s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
/* Stats */
.stats-bar { padding: 28px 0; }
.stats-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 48px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-item { text-align: center; }
.stat-num {
    font-family: 'Manrope', sans-serif;
    font-size: 40px;
    font-weight: 600;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}
.stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 6px;
}

/* Sections */
section { padding: 100px 0; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
.section-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.section-title {
    font-family: 'Manrope', sans-serif; /* ранее Syne */
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}
.section-desc {
    font-size: 16px;
    max-width: 640px;
    line-height: 1.75;
}

/* About */
.about-list {
    list-style: none;
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.about-list li {
    font-size: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 14px;
}
.about-list li::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.about-banners {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 64px;
}
.about-banner {
    position: relative;
    display: flex;
    flex-direction: column;
}
.about-banner-num {
    font-family: 'Manrope', sans-serif;
    font-size: 60px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 12px;
}
.about-banner-title {
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 10px;
}
.about-banner-desc {
    font-size: 13px;
    line-height: 1.7;
}

/* Calculator */
.calc-wrap {
    border-radius: 16px;
    overflow: hidden;
    margin-top: 64px;
}
.calc-tabs {
    display: flex;
    border-bottom: 1px solid var(--border);
}
.calc-tab {
    flex: 1;
    padding: 18px 24px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.calc-tab.active { border-bottom-color: var(--accent); }
.calc-body { padding: 40px 48px; display: none; }
.calc-body.active { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.calc-fields { display: flex; flex-direction: column; gap: 20px; }
.field-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.field-group select,
.field-group input[type="number"] {
    width: 100%;
    padding: 12px 16px;
    border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    cursor: pointer;
    transition: border-color 0.2s;
}
.field-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
    cursor: pointer;
}
.range-val {
    font-size: 13px;
    font-weight: 600;
    text-align: right;
    margin-top: 4px;
}
.calc-result {
    border-radius: 12px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.result-label { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; }
.result-price {
    font-family: 'Manrope', sans-serif;
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.01em;
    font-variant-numeric: tabular-nums;
    margin: 8px 0 4px;
    line-height: 1;
}
.result-note { font-size: 12px; line-height: 1.5; }
.result-breakdown { margin-top: 24px; flex: 1; }
.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
.breakdown-item:last-child { border-bottom: none; }
.breakdown-item span:last-child { font-weight: 500; }
.btn-calc {
    margin-top: 28px;
    width: 100%;
    padding: 14px;
    border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
}
.btn-calc:hover { transform: translateY(-1px); }

/* Technologies marquee */
#tech { overflow: hidden; }
.tech-track-wrap {
    overflow: hidden;
    margin: 48px auto 0;
    position: relative;
    max-width: 1100px;
    padding: 0 48px;
}
.tech-track-wrap::before,
.tech-track-wrap::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 80px;
    z-index: 2;
}
.tech-track-wrap::before { left: 0; }
.tech-track-wrap::after { right: 0; }
.tech-track {
    display: flex;
    gap: 16px;
    width: max-content;
    animation: marquee 30s linear infinite;
}
.tech-track:hover { animation-play-state: paused; }
.tech-track-inner { display: flex; gap: 16px; }
.tech-pill {
    padding: 10px 22px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: border-color 0.2s, color 0.2s;
}
.tech-pill svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.tech-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 48px;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.tech-card {
    background: var(--bg2);
    padding: 28px;
    min-height: 210px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background 0.3s, transform 0.3s;
}
.tech-card:hover {
    background: var(--bg3);
    transform: translateY(-2px);
}
.tech-card-title {
    font-family: 'Manrope', sans-serif;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 18px;
}
.tech-card p {
    color: var(--text2);
    font-size: 13px;
    line-height: 1.7;
}

@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* Cases */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    margin-top: 64px;
    border-radius: 16px;
    overflow: hidden;
}
.case-card {
    padding: 36px;
    transition: background 0.3s;
    position: relative;
}
.case-num {
    font-family: 'Manrope', sans-serif;
    font-size: 64px;
    font-weight: 800;
    line-height: 1;
    position: absolute;
    top: 24px;
    right: 24px;
    letter-spacing: -0.04em;
}
.case-tag {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 20px;
}
.case-title {
    font-family: 'Syne', sans-serif;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 12px;
}
.case-desc { font-size: 13px; line-height: 1.7; }
.case-result {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    color: var(--text2);
    font-size: 13px;
    line-height: 1.65;
}
.case-result strong {
    color: var(--accent);
    font-weight: 700;
}

/* FAQ */
.faq-list {
    margin-top: 48px;
    max-width: 860px;
    border-top: 1px solid var(--border);
}
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 22px 0;
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    color: var(--text);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.35;
    padding-right: 36px;
    position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    color: var(--accent);
    font-size: 24px;
    font-weight: 400;
    line-height: 1;
}
.faq-item[open] summary::after { content: '-'; }
.faq-item p {
    color: var(--text2);
    font-size: 14px;
    line-height: 1.75;
    max-width: 760px;
    padding-top: 14px;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    margin-top: 64px;
    align-items: start;
}
.contact-stack {
    max-width: 800px;
    margin-top: 64px;
}
.contact-form-wrap {
    padding: 40px;
    border-radius: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
}
.contact-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}
.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 18px;
}
.contact-text { font-size: 13px; line-height: 1.6; }
.contact-text strong { font-weight: 600; display: block; margin-bottom: 2px; }
.contact-text a { color: var(--accent); text-decoration: none; }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.form-field input,
.form-field select,
.form-field textarea {
    padding: 12px 16px;
    border-radius: 8px;
    font-family: 'Manrope', sans-serif;
    font-size: 14px;
    outline: none;
    resize: vertical;
    -webkit-appearance: none;
    transition: border-color 0.2s;
}
.form-field textarea { min-height: 100px; }
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    line-height: 1.5;
}
.form-checkbox input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--accent);
    flex-shrink: 0;
}
.form-success {
    display: none;
    text-align: center;
    padding: 32px;
    font-size: 15px;
}

.policy-modal {
    position: fixed;
    inset: 0;
    z-index: 400;
    display: none;
}
.policy-modal.open { display: block; }
.policy-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 13, 26, 0.78);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.policy-modal-dialog {
    position: relative;
    width: min(820px, calc(100% - 32px));
    max-height: calc(100vh - 48px);
    margin: 24px auto;
    border-radius: 16px;
    overflow: hidden;
}
.policy-modal-body {
    padding: 40px;
    overflow-y: auto;
    max-height: calc(100vh - 48px);
}
.policy-modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 24px;
    line-height: 1;
    z-index: 2;
}
.policy-content h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 17px;
    font-weight: 800;
    line-height: 1.35;
    margin: 24px 0 10px;
}
.policy-content p {
    font-size: 14px;
    line-height: 1.75;
}
.policy-content a {
    color: var(--accent2);
    text-decoration: underline;
}

/* Cookie banner */
.cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 300;
    padding: 20px 28px;
    border-radius: 12px;
    display: none;
    align-items: center;
    gap: 20px;
    max-width: 640px;
    width: calc(100% - 48px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.cookie-banner.show { display: flex; }
.cookie-banner p { font-size: 13px; line-height: 1.5; flex: 1; }
.cookie-buttons { display: flex; gap: 8px; flex-shrink: 0; }
.cookie-btn, .cookie-btn-outline {
    padding: 8px 18px;
    border-radius: 6px;
    font-family: 'Manrope', sans-serif;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}
.cookie-btn-outline { background: transparent; }

/* Chat */
#chat-btn {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 200;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s;
}
#chat-btn:hover { transform: scale(1.1); }
#chat-btn svg { width: 20px; height: 20px; }
#chat-popup {
    position: fixed;
    bottom: 100px;
    right: 32px;
    z-index: 200;
    width: 320px;
    border-radius: 16px;
    overflow: hidden;
    transform: scale(0.9) translateY(10px);
    transform-origin: bottom right;
    opacity: 0;
    pointer-events: none;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
#chat-popup.open { opacity: 1; transform: scale(1) translateY(0); pointer-events: all; }
.chat-head {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}
.chat-name { font-size: 14px; font-weight: 600; }
.chat-status { font-size: 11px; }
.chat-body { padding: 20px; }
.chat-msgs { flex: 1; overflow-y: auto; margin-bottom: 12px; }
.chat-msg { font-size: 13px; line-height: 1.6; margin-bottom: 12px; }
.chat-msg:last-child { margin-bottom: 0; }
.chat-tg {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
}
.chat-tg svg { flex-shrink: 0; }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
}
footer a { color: var(--text2); transition: color 0.2s; }
footer a:hover { color: var(--accent); }
.footer-grid {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 48px 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}
.footer-title {
    font-family: 'Syne', sans-serif;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-desc { font-size: 13px; line-height: 1.6; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 13px; }
.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px 48px 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-copy { font-size: 13px; }
.footer-copy span { font-weight: 600; }

/* Scroll reveal */
.reveal,
.reveal-bottom {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible,
.reveal-bottom.visible { opacity: 1; transform: none; }

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-fade {
    opacity: 0;
    transition: opacity 1.2s ease;
}
.reveal-fade.visible { opacity: 1; }

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.25s; }
.reveal-delay-3 { transition-delay: 0.35s; }
.reveal-delay-4 { transition-delay: 0.45s; }

/* Parallax */
.parallax {
    will-change: transform;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: none; }
}
html {
    scrollbar-width: none;
    -ms-overflow-style: none;
}
html::-webkit-scrollbar {
    display: none;
}

/* Scroll progress */
.scroll-progress {
    position: fixed;
    top: 50%;
    left: 9%;
    transform: translateY(-50%);
    z-index: 99;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.scroll-track {
    display: flex;
    align-items: flex-start;
    gap: 0;
    flex-shrink: 0;
}
.scroll-progress .scroll-line {
    width: 1px;
    height: 50vh;
    background: var(--border2);
    position: relative;
    overflow: hidden;
}
.scroll-progress.on-contact .scroll-line {
    background: #d0d5dd;
}
.scroll-progress .scroll-line-fill {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0%;
    background: var(--accent);
}
.scroll-progress.on-contact .scroll-line-fill {
    background: #777;
}
.scroll-progress.on-contact .scroll-number.active {
    color: #777;
}
.scroll-number {
    margin-left: 16px;
    margin-top: -2px;
    font-family: 'Syne', sans-serif;
    font-size: 11px;
    font-weight: 600;
    color: var(--text3);
    letter-spacing: 0.05em;
    transition: color 0.3s;
}
.scroll-number.active {
    color: var(--accent);
}
.scroll-arrow {
    margin-top: 12px;
    margin-left: -5px;
    color: var(--accent);
    opacity: 0.7;
    animation: scrollArrow 1.8s ease-in-out infinite;
    flex-shrink: 0;
}
.scroll-arrow.hidden {
    display: none;
}
@keyframes scrollArrow {
    0%, 100% { transform: translateY(0); opacity: 0.8; }
    50% { transform: translateY(4px); opacity: 1; }
}

/* Responsive */
@media (max-width: 900px) {
    .scroll-progress { display: none; }
    .navbar { padding: 0 24px; }
    .nav-links { display: none; }
    .container { padding: 0 24px; }
    .stats-inner { padding: 0 24px; grid-template-columns: 1fr 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .about-banners { grid-template-columns: 1fr; gap: 32px; }
    .tech-cards { grid-template-columns: 1fr 1fr; }
    .tech-track-wrap { padding: 0 24px; }
    .calc-body.active { grid-template-columns: 1fr; }
    .calc-tabs { flex-direction: column; }
    .cases-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .contact-info-grid { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 24px; }
    .policy-modal-body { padding: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; padding: 0 24px 24px; }
    .footer-bottom { padding: 20px 24px 0; flex-direction: column; text-align: center; }
    .cookie-banner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    section { padding: 60px 0; }
    .container { padding: 0 16px; }
    .stats-inner { padding: 0 16px; }
    .hero-title { font-size: 30px; }
    .calc-body { padding: 24px; }
    .service-block { padding: 32px; }
    .case-card { padding: 24px; }
    .tech-cards { grid-template-columns: 1fr; }
    .tech-card { min-height: auto; padding: 24px; }
    .tech-track-wrap { padding: 0 16px; }
}