:root {
    --black: #111111;
    --dark: #171717;
    --white: #ffffff;
    --background: #f6f6f4;
    --surface: #ffffff;
    --gray: #727272;
    --light-gray: #e9e9e6;
    --accent: #ff3434;
    --container: 1240px;
    --radius-small: 16px;
    --radius: 26px;
    --radius-large: 38px;
}

/* BASE */
* {box-sizing: border-box;}
html {scroll-behavior: smooth;}
body {margin: 0; font-family: "Manrope", sans-serif; font-size: 16px; line-height: 1.6; color: var(--black); background: var(--background); -webkit-font-smoothing: antialiased;}
a {color: inherit; text-decoration: none;}
button, input {font: inherit;}
.container {width: min(calc(100% - 48px), var(--container)); margin: 0 auto;}

/* HEADER */
.header {position: fixed; z-index: 1000; top: 0; left: 0; width: 100%; transition: background .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;}
.header--scrolled {background: rgba(246, 246, 244, .88); backdrop-filter: blur(18px); box-shadow: 0 1px 0 rgba(0, 0, 0, .07);}
.header__inner {height: 86px; display: flex; align-items: center;}

.logo {display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -.04em;}
.logo__mark {width: 35px; height: 35px; display: inline-flex; align-items: center; justify-content: center; color: #fff; background: var(--black); border-radius: 10px; font-size: 16px; font-weight: 800;}
.logo__text {font-size: 18px;}

.nav {display: flex; align-items: center; gap: 28px; margin-left: auto; margin-right: 35px;}
.nav a {position: relative; color: #4c4c4c; font-size: 13px; font-weight: 600; transition: color .2s ease;}
.nav a:hover {color: var(--black);}
.nav a::after {content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--black); transition: width .2s ease;}
.nav a:hover::after {width: 100%;}

.header__contact {min-height: 44px; display: flex; align-items: center; gap: 16px; padding: 0 18px; color: #fff; background: var(--black); border-radius: 12px; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease;}
.header__contact:hover {transform: translateY(-2px); background: #292929;}

/* MOBILE MENU */
.menu-button {display: none; width: 44px; height: 44px; margin-left: auto; border: 0; background: var(--black); border-radius: 12px; cursor: pointer;}
.menu-button span {display: block; width: 18px; height: 2px; margin: 5px auto; background: #fff; transition: transform .2s ease;}
.menu-button.active span:first-child {transform: translateY(3.5px) rotate(45deg);}
.menu-button.active span:last-child {transform: translateY(-3.5px) rotate(-45deg);}
.mobile-menu {display: none;}

/* COMMON */
.label {display: inline-flex; align-items: center; gap: 8px; margin-bottom: 25px; color: #5f5f5f; font-size: 12px; line-height: 1; font-weight: 800; text-transform: uppercase; letter-spacing: .13em;}
.label::before {content: ""; width: 8px; height: 8px; background: var(--accent); border-radius: 50%;}
.label--dark {color: #999;}

.section {padding: 130px 0;}
.section-heading {display: grid; grid-template-columns: 100px 1fr; margin-bottom: 85px;}
.section-number {padding-top: 10px; color: #aaa; font-size: 12px; font-weight: 700;}
.section-heading .label {margin-bottom: 18px;}
.section-heading h2 {max-width: 900px; margin: 0; font-size: clamp(40px, 5vw, 70px); line-height: 1.05; letter-spacing: -.055em;}
.section-heading h2 span {display: block; color: #a0a0a0;}
.large-text {margin-top: 0; font-size: 25px; line-height: 1.45; letter-spacing: -.025em;}

/* HERO */
.hero {position: relative; overflow: hidden; min-height: 760px; display: flex; align-items: center; padding: 150px 0 90px;}
.hero__inner {position: relative; z-index: 2; display: grid; grid-template-columns: 1fr .9fr; align-items: center; gap: 90px;}
.hero h1 {max-width: 760px; margin: 0; font-size: clamp(54px, 6.2vw, 92px); line-height: .98; font-weight: 800; letter-spacing: -.065em;}
.hero h1 span {display: block; color: #999;}
.hero__text {max-width: 620px; margin: 35px 0 0; color: #5f5f5f; font-size: 19px; line-height: 1.65;}
.hero__actions {display: flex; align-items: center; gap: 12px; margin-top: 42px;}

.button {min-height: 56px; display: inline-flex; align-items: center; justify-content: center; gap: 28px; padding: 0 25px; border-radius: 15px; font-size: 14px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease;}
.button:hover {transform: translateY(-3px);}
.button--primary {color: #fff; background: var(--black); box-shadow: 0 15px 35px rgba(0, 0, 0, .12);}
.button--light {background: #fff; border: 1px solid #e5e5e2;}

/* HERO VISUAL */
.hero__visual {position: relative;}
.browser-card {position: relative; overflow: hidden; width: 100%; min-height: 430px; background: rgba(255, 255, 255, .9); border: 1px solid rgba(0, 0, 0, .07); border-radius: 30px; box-shadow: 0 40px 100px rgba(0, 0, 0, .12), 0 4px 15px rgba(0, 0, 0, .04); transform: rotate(2deg);}
.browser-card__top {height: 70px; display: flex; align-items: center; gap: 25px; padding: 0 25px; border-bottom: 1px solid #eee;}
.browser-card__dots {display: flex; gap: 7px;}
.browser-card__dots span {width: 8px; height: 8px; border-radius: 50%; background: #d3d3d3;}
.browser-card__dots span:first-child {background: var(--accent);}
.browser-card__address {flex: 1; padding: 9px 16px; color: #999; background: #f3f3f3; border-radius: 10px; font-size: 11px;}
.browser-card__body {padding: 58px 45px;}
.yandex-symbol {margin-bottom: 35px; color: var(--accent); font-size: 70px; line-height: 1; font-weight: 800; letter-spacing: -.08em;}
.search-line {height: 62px; display: flex; align-items: center; justify-content: space-between; padding: 0 10px 0 22px; border: 2px solid #e6e6e6; border-radius: 18px; color: #aaa;}
.search-line div {width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; color: #fff; background: var(--black); border-radius: 12px;}
.browser-icons {display: flex; gap: 12px; margin-top: 35px;}
.browser-icons span {width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: #f3f3f1; border-radius: 15px; color: #777; font-size: 10px; font-weight: 800;}

.hero__glow {position: absolute; width: 500px; height: 500px; border-radius: 50%; filter: blur(100px); opacity: .13; pointer-events: none;}
.hero__glow--one {right: -100px; top: 80px; background: #ff4040;}
.hero__glow--two {right: 300px; bottom: -250px; background: #ffcc00;}

/* BUSINESS */
.business-grid {display: grid; grid-template-columns: .85fr 1fr; gap: 100px; margin-left: 100px;}
.business-description {max-width: 500px;}
.business-description > p:not(.large-text) {color: var(--gray);}
.text-link {display: inline-flex; align-items: center; gap: 40px; margin-top: 25px; padding-bottom: 7px; border-bottom: 1px solid var(--black); font-weight: 700;}

.feature-list {border-top: 1px solid #ddd;}
.feature {display: grid; grid-template-columns: 70px 1fr; padding: 27px 0; border-bottom: 1px solid #ddd;}
.feature__icon {color: #aaa; font-size: 11px; font-weight: 700;}
.feature h3 {margin: 0 0 7px; font-size: 20px;}
.feature p {max-width: 480px; margin: 0; color: var(--gray);}

/* PERSONAL */
.section--dark {position: relative; overflow: hidden; color: #fff; background: var(--dark); border-radius: 40px;}
.section-heading--dark h2 span {color: #666;}
.section-heading--dark .section-number {color: #666;}

.personal-grid {display: grid; grid-template-columns: 1fr 1.2fr; gap: 90px; margin-left: 100px;}
.personal-main {min-height: 420px; display: flex; flex-direction: column; justify-content: space-between; padding: 40px; color: var(--black); background: #fff; border-radius: 28px;}
.personal-main__symbol {color: var(--accent); font-size: 70px; line-height: 1; font-weight: 800;}
.personal-main h3 {max-width: 440px; margin: 0 0 18px; font-size: 27px; line-height: 1.3; letter-spacing: -.03em;}
.personal-main p {margin: 0; color: #777;}

.service-cards {display: flex; flex-direction: column; justify-content: center;}
.service-card {padding: 28px 0; border-bottom: 1px solid #333;}
.service-card:first-child {border-top: 1px solid #333;}
.service-card__top {display: flex; justify-content: space-between; margin-bottom: 15px; color: #666; font-size: 11px;}
.service-card h3 {margin: 0 0 7px; font-size: 25px;}
.service-card p {margin: 0; color: #888;}

/* STEPS */
.steps {display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-left: 100px;}
.step {min-height: 310px; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; background: #fff; border: 1px solid #e6e6e3; border-radius: 24px; transition: transform .25s ease, box-shadow .25s ease;}
.step:hover {transform: translateY(-6px); box-shadow: 0 25px 50px rgba(0, 0, 0, .06);}
.step__number {color: #aaa; font-size: 11px; font-weight: 700;}
.step h3 {margin: 0 0 12px; font-size: 22px;}
.step p {margin: 0; color: var(--gray);}

/* ABOUT */
.about-section {border-top: 1px solid #e2e2df;}
.about-grid {display: grid; grid-template-columns: .9fr 1fr; gap: 100px; margin-left: 100px;}
.about-grid__main {max-width: 520px;}
.about-grid__main > p:not(.large-text) {color: var(--gray);}
.about-grid__items {border-top: 1px solid #ddd;}
.about-item {display: grid; grid-template-columns: 65px 1fr; padding: 25px 0; border-bottom: 1px solid #ddd;}
.about-item > span {padding-top: 3px; color: #aaa; font-size: 11px; font-weight: 700;}
.about-item strong {display: block; margin-bottom: 7px; font-size: 18px;}
.about-item p {max-width: 500px; margin: 0; color: var(--gray);}

.about-location {display: flex; align-items: center; gap: 14px; margin-top: 32px; padding-top: 25px; border-top: 1px solid #ddd;}
.about-location__icon {width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; color: #fff; background: var(--black); border-radius: 12px; font-size: 18px;}
.about-location div {display: flex; flex-direction: column;}
.about-location small {color: #999; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em;}
.about-location strong {font-size: 16px;}

/* CONTACTS */
.contact-section {padding: 20px 0 100px;}
.contact-box {display: grid; grid-template-columns: 1fr 1.05fr .95fr; min-height: 590px; color: #fff; background: #111; border: 1px solid #292929; border-radius: 36px; overflow: hidden;}
.contact-info, .contact-map, .contact-links {min-width: 0; padding: 55px 45px;}
.contact-info {display: flex; flex-direction: column; justify-content: center;}
.contact-info h2 {margin: 0; font-size: clamp(44px,4.5vw,66px); line-height: .98; letter-spacing: -.055em;}
.contact-info h2 span {display: block; color: #666;}
.contact-info > p {max-width: 430px; margin: 30px 0 0; color: #929292; font-size: 15px; line-height: 1.7;}

.contact-location {display: flex; flex-direction: column; margin-top: 42px;}
.contact-location small {margin-bottom: 5px; color: #666; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em;}
.contact-location strong {font-size: 17px;}

.contact-features {display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 35px;}
.contact-feature {display: flex; align-items: center; gap: 9px; min-width: 0; padding: 12px 10px; background: #191919; border: 1px solid #292929; border-radius: 12px;}
.contact-feature__icon {width: 24px; flex: 0 0 24px; color: #ddd; font-size: 19px; line-height: 1; text-align: center;}
.contact-feature div {display: flex; min-width: 0; flex-direction: column;}
.contact-feature strong {font-size: 10px; line-height: 1.3; white-space: nowrap;}
.contact-feature small {margin-top: 2px; color: #777; font-size: 8px; line-height: 1.3; white-space: nowrap;}

.contact-map {display:flex; flex-direction:column; align-items:center; justify-content:center; padding:45px 35px; border-left:1px solid #292929; border-right:1px solid #292929;}
.contact-map__image {width:100%; max-width:430px;}
.contact-map__image img {display:block; width:100%; height:auto; border-radius:50%; mix-blend-mode:screen;}
.contact-map__caption {display:flex; flex-direction:column; align-items:center; margin-top:18px; text-align:center;}
.contact-map__caption strong {color:#999; font-size:11px; font-weight:600;}
.contact-map__caption span {margin-top:4px; color:#666; font-size:10px;}

.contact-links {display: flex; flex-direction: column; justify-content: center; gap: 18px;}
.contact-card {position: relative; display: grid; grid-template-columns: 58px 1fr 24px; align-items: center; gap: 18px; min-height: 135px; padding: 22px; background: #171717; border: 1px solid #2b2b2b; border-radius: 22px; transition: transform .2s ease, background .2s ease, border-color .2s ease;}
.contact-card:hover {transform: translateY(-3px); background: #1b1b1b; border-color: #383838;}
.contact-card__icon {width: 58px; height: 58px; display: flex; align-items: center; justify-content: center; background: #242424; border: 1px solid #303030; border-radius: 14px;}
.contact-card__icon svg {width: 27px; height: 27px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;}
.contact-card:nth-child(2) .contact-card__icon svg {fill: #fff; stroke: none;}
.contact-card__content {display: flex; min-width: 0; flex-direction: column;}
.contact-card__content small {margin-bottom: 7px; color: #777; font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: .12em;}
.contact-card__content strong {overflow: hidden; color: #fff; font-size: 16px; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap;}
.contact-card__content span {margin-top: 10px; color: #777; font-size: 11px;}
.contact-card__arrow {align-self: start; padding-top: 3px; color: #ddd; font-size: 21px; transition: transform .2s ease;}
.contact-card:hover .contact-card__arrow {transform: translate(3px,-3px);}

@media (max-width: 1150px) {
    .contact-box {grid-template-columns: 1fr 1fr;}
    .contact-info {padding: 50px 40px;}
    .contact-map {padding: 40px; border-right: 0;}
    .contact-links {grid-column: 1/-1; display: grid; grid-template-columns: repeat(3,1fr); padding: 35px 40px; border-top: 1px solid #292929;}
    .contact-card {grid-template-columns: 50px 1fr 20px;}
    .contact-card__icon {width: 50px; height: 50px;}
    .contact-card__content span {display: none;}
}

@media (max-width: 700px) {
    .contact-section {padding-bottom: 60px;}
    .contact-box {display: block; min-height: 0; border-radius: 26px;}
    .contact-info, .contact-map, .contact-links {padding: 38px 25px;}
    .contact-info h2 {font-size: 42px;}
    .contact-features {grid-template-columns: 1fr;}
    .contact-feature {padding: 12px 14px;}
    .contact-feature strong {font-size: 11px;}
    .contact-feature small {font-size: 9px;}
    .contact-map {border: 0; border-top: 1px solid #292929; border-bottom: 1px solid #292929;}
    .contact-links {display: flex;}
    .contact-card {min-height: 110px; grid-template-columns: 50px 1fr 20px; padding: 18px;}
    .contact-card__icon {width: 50px; height: 50px;}
    .contact-card__content strong {font-size: 14px;}
    .contact-card__content span {display: none;}
}

/* FOOTER */
.footer {padding:30px 0 22px;}
.footer__inner {min-height:80px; display:flex; align-items:center; gap:35px; border-top:1px solid #ddd;}
.footer__brand {display:flex; align-items:center; gap:10px; flex:0 0 auto; font-weight:800;}
.footer__brand .logo__mark {width:30px; height:30px; font-size:13px;}
.footer__legal {display:flex; align-items:center; gap:25px; margin-left:auto;}
.footer__legal a {color:#888; font-size:11px; transition:color .2s ease;}
.footer__legal a:hover {color:var(--black);}
.footer__top {margin-left:20px; font-size:12px; font-weight:700;}
.footer__bottom {display:flex; align-items:center; justify-content:space-between; padding-top:12px; border-top:1px solid #e5e5e2; color:#aaa; font-size:10px;}
.distribution-verification {margin:0; color:#b8b8b8; font-size:10px; line-height:1; letter-spacing:.04em; user-select:text;}

@media (max-width:800px) {
    .footer__inner {align-items:flex-start; flex-direction:column; gap:18px; padding:30px 0;}
    .footer__legal {align-items:flex-start; flex-direction:column; gap:8px; margin-left:0;}
    .footer__top {margin-left:0;}
}

@media (max-width:500px) {
    .footer__bottom {align-items:flex-start; flex-direction:column; gap:8px;}
}

/* ANIMATION */
.reveal {opacity: 0; transform: translateY(25px); transition: opacity .65s ease, transform .65s ease;}
.reveal--visible {opacity: 1; transform: translateY(0);}

/* TABLET */
@media (max-width: 1000px) {
    .nav, .header__contact {display: none;}
    .menu-button {display: block;}
    .mobile-menu {position: absolute; top: 76px; left: 24px; right: 24px; display: flex; flex-direction: column; padding: 12px; background: #fff; border: 1px solid #e6e6e6; border-radius: 18px; box-shadow: 0 20px 50px rgba(0, 0, 0, .1); opacity: 0; visibility: hidden; transform: translateY(-10px); transition: opacity .2s ease, transform .2s ease, visibility .2s ease;}
    .mobile-menu.active {opacity: 1; visibility: visible; transform: translateY(0);}
    .mobile-menu a {padding: 14px 15px; border-bottom: 1px solid #eee; font-size: 14px; font-weight: 600;}
    .mobile-menu a:last-child {border-bottom: 0;}
    .hero__inner {grid-template-columns: 1fr; gap: 60px;}
    .hero__visual {max-width: 650px;}
    .business-grid, .personal-grid, .about-grid {grid-template-columns: 1fr; margin-left: 100px; gap: 60px;}
    .steps {grid-template-columns: 1fr;}
    .step {min-height: 220px;}
    .contact-box {grid-template-columns: 1fr; gap: 60px;}
}

/* MOBILE */
@media (max-width: 700px) {
    .container {width: min(calc(100% - 32px), var(--container));}
    .header__inner {height: 70px;}
    .hero {min-height: auto; padding: 125px 0 75px;}
    .hero h1 {font-size: 48px;}
    .hero__text {margin-top: 25px; font-size: 16px;}
    .hero__actions {flex-direction: column; align-items: stretch;}
    .button {width: 100%;}
    .browser-card {min-height: 330px; border-radius: 22px; transform: none;}
    .browser-card__body {padding: 40px 25px;}
    .yandex-symbol {font-size: 55px;}
    .section {padding: 85px 0;}
    .section--dark {border-radius: 28px;}
    .section-heading {display: block; margin-bottom: 50px;}
    .section-number {margin-bottom: 25px;}
    .section-heading h2 {font-size: 42px;}
    .business-grid, .personal-grid, .steps, .about-grid {margin-left: 0;}
    .large-text {font-size: 21px;}
    .feature {grid-template-columns: 45px 1fr;}
    .personal-main {min-height: 380px; padding: 28px;}
    .step {min-height: 240px;}
    .about-item {grid-template-columns: 45px 1fr;}
    .contact-section {padding-bottom: 60px;}
    .contact-box {padding: 38px 25px; border-radius: 26px;}
    .contact-box h2 {font-size: 42px;}
    .contact-link strong {font-size: 15px;}
    .footer__inner {align-items: flex-start; flex-direction: column; gap: 18px; padding: 30px 0;}
    .footer__text, .footer__top {margin-left: 0;}
}

@media (prefers-reduced-motion: reduce) {
    html {scroll-behavior: auto;}
    .reveal {opacity: 1; transform: none; transition: none;}
}