:root {
  --ink: #0b2439;
  --navy: #07335e;
  --blue: #2f7fac;
  --ice: #edf8fd;
  --white: #fbfeff;
  --line: rgba(10, 48, 78, 0.22);
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; color: var(--ink); background: var(--white); font-family: var(--font); font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
p { text-wrap: pretty; }

.site-header { position: fixed; z-index: 30; inset: 0 0 auto; height: 86px; padding: 0 3.5vw; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; background: rgba(242, 250, 254, 0.9); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(11, 36, 57, 0.12); transition: box-shadow .25s ease; }
.site-header.scrolled { box-shadow: 0 12px 36px rgba(14, 58, 89, .08); }
.brand { width: 58px; height: 58px; }
.brand img { width: 100%; height: 100%; object-fit: contain; }
nav { display: flex; align-items: center; gap: clamp(12px, 1.7vw, 28px); }
nav a, .language, .label, .section-top, .hero-name, footer { font-size: 12px; font-weight: 500; line-height: 1.2; letter-spacing: .105em; }
nav a { position: relative; padding: 9px 0; }
nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 3px; height: 1px; background: var(--ink); transition: right .25s ease; }
nav a:hover::after { right: 0; }
.header-actions { justify-self: end; display: flex; align-items: center; gap: 26px; }
.language { display: flex; align-items: center; gap: 7px; }
.language button { padding: 7px 2px; border: 0; background: transparent; opacity: .42; cursor: pointer; }
.language button.active { opacity: 1; border-bottom: 1px solid currentColor; }
.menu { display: none; border: 0; background: transparent; padding: 10px; }
.menu i { display: block; width: 25px; height: 1px; margin: 6px 0; background: var(--ink); }

.primary-button { position: relative; isolation: isolate; display: inline-flex; align-items: center; justify-content: center; min-height: 58px; padding: 0 30px; border: 1px solid rgba(76, 88, 99, .42); border-radius: 999px; color: #111a22; background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 52%, #e9edf0 100%); box-shadow: inset 0 2px 1px rgba(255,255,255,.95), inset 0 -2px 2px rgba(53,68,80,.14), 0 3px 0 rgba(82,94,103,.2), 0 18px 22px rgba(52,57,64,.19), 0 13px 14px rgba(255,143,86,.25), 0 0 28px rgba(255,188,151,.46); font-size: 12px; font-weight: 600; line-height: 1; letter-spacing: .09em; cursor: pointer; transition: transform .22s ease, box-shadow .22s ease; }
.primary-button::before { content: ""; position: absolute; z-index: -1; left: 10%; right: 10%; bottom: -24px; height: 34px; border-radius: 50%; background: radial-gradient(ellipse, rgba(255,141,79,.6) 0%, rgba(255,182,137,.38) 38%, rgba(255,201,170,0) 74%); filter: blur(9px); }
.primary-button::after { content: ""; position: absolute; inset: 1px 8px auto; height: 45%; border-radius: inherit; background: linear-gradient(rgba(255,255,255,.96), rgba(255,255,255,0)); pointer-events: none; }
.primary-button:hover { transform: translateY(-4px); box-shadow: inset 0 2px 1px rgba(255,255,255,1), inset 0 -2px 2px rgba(53,68,80,.12), 0 4px 0 rgba(82,94,103,.19), 0 24px 29px rgba(52,57,64,.2), 0 17px 18px rgba(255,143,86,.31), 0 0 34px rgba(255,188,151,.54); }
.primary-button.compact { min-height: 47px; padding: 0 22px; font-size: 11px; }
.section-button { display: flex; width: max-content; min-height: 45px; padding: 0 23px; margin: 64px 0 0 auto; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: 11px; font-weight: 200; letter-spacing: .13em; }
.section-button:focus-visible, .primary-button:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }

.hero { position: relative; min-height: 100svh; padding-top: 86px; overflow: hidden; display: flex; align-items: center; }
.hero-photo { position: absolute; inset: 86px 0 0; width: 100%; height: calc(100% - 86px); object-fit: cover; object-position: center; }
.hero-overlay { position: absolute; z-index: 1; inset: 86px 0 0; background: linear-gradient(90deg, rgba(238,249,254,.97) 0%, rgba(236,248,253,.8) 29%, rgba(235,247,252,.18) 54%, transparent 70%); }
.hero::after { content: ""; position: absolute; z-index: 1; left: 0; right: 0; bottom: 0; height: 38%; pointer-events: none; background: linear-gradient(0deg, rgba(237,248,253,.9) 0%, rgba(237,248,253,.43) 24%, rgba(237,248,253,0) 72%); }
.hero-copy { position: relative; z-index: 2; width: min(690px, 58vw); margin-left: 6.5vw; padding-bottom: 4vh; }
.label { margin-bottom: 25px; }
h1 { margin-bottom: 24px; font-size: clamp(64px, 8.6vw, 135px); font-weight: 500; line-height: .8; letter-spacing: -.065em; }
.hero-lead { max-width: 520px; margin-bottom: 36px; font-size: clamp(16px, 1.45vw, 22px); font-weight: 500; line-height: 1.42; letter-spacing: -.015em; }
.hero-services-link { display: inline-block; padding-bottom: 5px; border-bottom: 1px solid currentColor; font-size: 13px; font-weight: 500; letter-spacing: .08em; }
.hero-button { position: absolute; z-index: 3; right: 6.5vw; bottom: 5vh; margin: 0; }
.hero-name { position: absolute; z-index: 2; right: 4vw; bottom: calc(5vh + 70px); display: flex; flex-direction: column; align-items: flex-end; gap: 7px; padding: 15px 18px; color: var(--ink); background: linear-gradient(135deg, rgba(255,255,255,.34), rgba(221,242,251,.12)); border: 1px solid rgba(255,255,255,.52); box-shadow: inset 0 1px 0 rgba(255,255,255,.48), 0 14px 34px rgba(5,35,58,.13); backdrop-filter: blur(9px) saturate(125%); -webkit-backdrop-filter: blur(9px) saturate(125%); }
.hero-name strong { font-size: 17px; font-weight: 500; letter-spacing: .04em; }
.hero-name small { font-size: 11px; letter-spacing: .1em; }

section:not(.hero) { padding: 116px 6.5vw; }
.section-top { display: flex; justify-content: flex-start; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(43px, 5.85vw, 92px); font-weight: 500; line-height: .91; letter-spacing: -.06em; }
.statement { background: var(--ice); }
.statement > h2 { max-width: 1220px; margin: 90px 0 110px; }
.statement-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; align-items: start; }
.large-copy { max-width: 650px; font-size: clamp(22px, 2.2vw, 34px); font-weight: 400; line-height: 1.35; letter-spacing: -.025em; }
.approach-points { border-top: 1px solid var(--line); }
.approach-points p { display: grid; grid-template-columns: 1fr; gap: 10px; margin: 0; padding: 21px 0; border-bottom: 1px solid var(--line); }
.approach-points b { font-size: 14px; font-weight: 600; letter-spacing: .08em; }
.approach-points i { max-width: 520px; color: rgba(11,36,57,.72); font-size: 16px; font-style: normal; }

.about { color: #eaf7fe; background: #071f38; }
.about .section-top { border-color: rgba(225,244,255,.25); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 7vw; padding-top: 90px; }
.about-heading { position: sticky; top: 130px; align-self: start; }
.about-heading h2 { max-width: 750px; font-size: clamp(38px, 4.6vw, 72px); line-height: .96; }
.about-text { max-width: 690px; }
.about-text p { margin-bottom: 34px; color: rgba(234,247,254,.82); font-size: 18px; line-height: 1.78; }
.about-text p:first-child::first-letter { float: left; margin: 8px 10px 0 0; font-size: 74px; font-weight: 500; line-height: .73; color: #9edfff; }
.about-more summary { width: max-content; margin: 12px 0 28px; padding-bottom: 5px; border-bottom: 1px solid currentColor; list-style: none; cursor: pointer; font-size: 13px; letter-spacing: .09em; }
.about-more summary::-webkit-details-marker { display: none; }
.about-more summary:focus-visible, .hero-services-link:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; }
.about-more[open] summary { margin-bottom: 24px; }

.education { background: #f9fdff; }
.education-title { display: grid; grid-template-columns: 1.35fr .65fr; gap: 7vw; align-items: end; padding: 88px 0; }
.education-title p { max-width: 440px; margin-bottom: 8px; color: rgba(11,36,57,.7); font-size: 17px; }
.disciplines { border-top: 1px solid var(--line); }
.discipline { display: grid; grid-template-columns: 1fr; align-items: center; min-height: 116px; border-bottom: 1px solid var(--line); }
.discipline h3 { margin: 0; max-width: 1100px; font-size: clamp(20px, 2.45vw, 38px); font-weight: 500; line-height: 1.05; letter-spacing: -.035em; }
.experience-list { border-top: 1px solid var(--line); }
.experience-list p { display: flex; gap: clamp(30px, 6vw, 90px); align-items: center; min-height: 105px; margin: 0; border-bottom: 1px solid var(--line); }
.experience-list span { font-size: 12px; letter-spacing: .1em; }
.experience-list strong { font-size: clamp(20px, 2.3vw, 34px); font-weight: 400; letter-spacing: -.035em; }

.services { background: #eaf5fb; }
.services-heading { display: flex; justify-content: space-between; align-items: end; gap: 5vw; margin: 76px 0 64px; }
.services-heading h2 { margin: 0; }
.services-heading p { width: min(360px, 34%); margin: 0; font-size: 18px; line-height: 1.5; }
.service-list { border-top: 1px solid var(--line); }
.service-card { border-bottom: 1px solid var(--line); }
.service-card summary { display: grid; grid-template-columns: 45px minmax(0,1fr) 28px; gap: clamp(18px, 3vw, 50px); align-items: center; min-height: 130px; padding: 18px 0; list-style: none; cursor: pointer; }
.service-card summary::-webkit-details-marker { display: none; }
.service-card summary:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.service-number, .service-name small { font-size: 12px; letter-spacing: .1em; font-weight: 500; }
.service-name { display: flex; flex-direction: column; gap: 10px; }
.service-name strong { font-size: clamp(22px, 2.5vw, 38px); font-weight: 400; line-height: 1.14; letter-spacing: -.035em; }
.service-plus { font-size: 28px; font-weight: 200; line-height: 1; transition: transform .2s ease; }
.service-card[open] .service-plus { transform: rotate(45deg); }
.service-body { max-width: 860px; margin: 0 7vw 42px 45px; padding: 0 0 0 clamp(18px, 3vw, 50px); color: rgba(11,36,57,.83); }
.service-body p { margin: 0 0 16px; font-size: 17px; line-height: 1.65; }
.service-body a { display: inline-block; margin-top: 12px; padding-bottom: 4px; border-bottom: 1px solid currentColor; font-size: 12px; letter-spacing: .09em; }

.location { min-height: 720px; position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; color: #fff; }
.location-image { position: absolute; inset: 0; background: url('./assets/olesya-parklane-seated.png') center/cover; }
.location-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,24,43,.9) 0%, rgba(5,37,61,.62) 36%, rgba(5,37,61,.08) 68%); }
.location-copy, .coordinates { position: relative; z-index: 2; }
.location-copy { width: min(690px, 48vw); margin-top: auto; padding-top: 120px; }
.location-copy h2 small { font: inherit; font-size: .58em; letter-spacing: -.035em; }
.location-copy h2 strong { font: inherit; font-size: 1.05em; }
.location-copy p:last-child { max-width: 520px; margin: 28px 0 0; font-size: 18px; }
.coordinates { align-self: flex-end; font-size: 12px; font-weight: 500; letter-spacing: .09em; }

.contact { min-height: 760px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at 50% 37%, #fff, #e5f6fd); }
.contact > img { width: 132px; height: 132px; object-fit: contain; margin-bottom: 38px; }
.contact h2 { max-width: 950px; font-size: clamp(42px, 5.2vw, 82px); }
.contact-copy { max-width: 620px; margin: 28px auto 34px; font-size: 18px; }
.contact-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 28px; }
.contact-actions .primary-button { min-width: 152px; min-height: 47px; padding: 0 24px; font-size: 11px; }
footer { min-height: 150px; display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 40px; align-items: center; padding: 30px 6.5vw; color: #d9edf8; background: #061c32; }
footer div { display: flex; align-items: center; gap: 15px; }
footer img { width: 46px; height: 46px; object-fit: contain; }
footer p { margin: 0; max-width: 650px; color: rgba(217,237,248,.62); line-height: 1.5; letter-spacing: .02em; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .site-header { height: 72px; padding: 0 20px; grid-template-columns: 1fr auto; }
  .brand { width: 49px; height: 49px; }
  .header-actions .primary-button, .site-header > nav { display: none; }
  .header-actions { grid-column: 2; grid-row: 1; margin-right: 46px; }
  .menu { position: absolute; right: 16px; display: block; }
  .site-header.open nav { position: absolute; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; inset: 72px 0 auto; padding: 28px 20px; background: rgba(242,250,254,.98); border-bottom: 1px solid var(--line); }
  .hero { min-height: 900px; padding-top: 72px; align-items: flex-start; background: var(--ice); }
  .hero-photo { inset: 370px 0 0; height: 530px; object-position: 82% center; }
  .hero-overlay { inset: 370px 0 0; background: linear-gradient(90deg, rgba(239,249,253,.2), transparent 48%); }
  .hero-copy { width: calc(100% - 40px); margin: 0 20px; padding-top: 46px; }
  h1 { font-size: clamp(42px, 11vw, 58px); line-height: .9; letter-spacing: -.05em; }
  .hero-lead { max-width: 360px; font-size: 15px; }
  .hero-services-link { font-size: 12px; }
  .hero-name { left: 20px; right: auto; bottom: 110px; align-items: flex-start; }
  .hero-button { right: 20px; bottom: 30px; }
  section:not(.hero) { padding: 82px 20px; }
  h2 { font-size: clamp(32px, 8.6vw, 46px); line-height: 1; letter-spacing: -.045em; overflow-wrap: anywhere; }
  .about-heading h2 { font-size: clamp(30px, 8vw, 42px); line-height: 1.02; }
  .contact h2 { font-size: clamp(32px, 8.6vw, 46px); }
  .statement > h2 { margin: 64px 0 78px; }
  .statement-bottom, .about-grid, .education-title { grid-template-columns: 1fr; gap: 52px; }
  .about-grid { padding-top: 64px; }
  .about-heading { position: static; }
  .about-text p { font-size: 16px; }
  .education-title { padding: 64px 0; }
  .experience-list p { min-height: 92px; gap: 18px; }
  .experience-list strong { font-size: 20px; }
  .discipline { grid-template-columns: 1fr; min-height: 100px; }
  .services-heading { display: block; margin: 60px 0 38px; }
  .services-heading p { width: auto; margin-top: 28px; font-size: 16px; }
  .service-card summary { grid-template-columns: 24px minmax(0,1fr) 20px; gap: 10px; min-height: 112px; }
  .service-number { align-self: start; padding-top: 4px; }
  .service-name small { font-size: 10px; line-height: 1.4; }
  .service-name strong { font-size: clamp(19px, 5.4vw, 28px); }
  .service-plus { display: none; }
  .service-body { margin: 0 0 30px 24px; padding-left: 10px; }
  .service-body p { font-size: 16px; }
  .location { min-height: 680px; }
  .location-image { background-position: 82% center; }
  .location-overlay { background: linear-gradient(90deg, rgba(3,24,43,.88), rgba(5,37,61,.36) 72%); }
  .location-copy { width: 72%; padding-top: 120px; }
  .coordinates { align-self: flex-start; margin-top: 50px; }
  .contact > img { width: 112px; height: 112px; }
  footer { grid-template-columns: 1fr; gap: 20px; }
  .contact-actions { flex-direction: column; width: min(100%, 300px); gap: 18px; }
  .section-button { margin-top: 48px; }
  .hero-button { margin: 0; }
}

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

.service-body .service-body-price { margin: 26px 0 8px; padding-top: 18px; border-top: 1px solid var(--line); font-size: 16px; }
.service-body-price strong { margin-left: 12px; color: var(--ink); font-size: 22px; font-weight: 400; }