.hero { position: relative; height: clamp(480px, 78svh, 780px); min-height: 0; color: #fff; background: var(--navy); }
main > .hero + section { padding-top: 20px; }
.hero-slides, .hero-slide, .hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-slide { opacity: 0; visibility: hidden; transition: opacity .7s ease, visibility .7s; }
.hero-slide.is-active { opacity: 1; visibility: visible; }
.hero-image { object-fit: cover; object-position: center; }
.hero-image-2 { object-position: 75% center; }
.hero-shade { background: linear-gradient(90deg, rgb(12 27 50 / .72) 0%, rgb(12 27 50 / .47) 38%, rgb(12 27 50 / .03) 80%), linear-gradient(180deg, rgb(9 23 44 / .45) 0%, transparent 30%, transparent 70%, rgb(9 23 44 / .45) 100%); }
.hero-content { position: relative; display: flex; align-items: center; height: 100%; padding-top: 110px; padding-bottom: 95px; }
.hero-copy { max-width: 720px; }
.hero h1, .hero h2 { color: #fff; font-size: clamp(46px, 4.9vw, 72px); line-height: 1.14; font-weight: 500; letter-spacing: -.035em; }
.hero h2 { font-size: clamp(42px, 4.4vw, 64px); }
.hero-copy > p { max-width: 490px; font-size: 14px; line-height: 1.9; color: #f0f3f8; margin-top: 22px; margin-bottom: 25px; }
.hero-actions { display: flex; align-items: center; gap: 30px; }
.hero-catalog-link { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 54px; padding: 15px 24px; border: 1px solid rgb(255 255 255 / .55); border-radius: 4px; background: rgb(255 255 255 / .05); color: #fff; font-size: 12px; font-weight: 500; line-height: 1.4; transition: background-color .2s, border-color .2s; }
.hero-catalog-link:hover { color: #fff; background: rgb(255 255 255 / .13); border-color: #fff; }
.hero-catalog-link i { font-size: 19px; }
.hero-bottom { position: absolute; left: 0; right: 0; bottom: 28px; display: flex; align-items: center; justify-content: space-between; }
.hero-scroll { display: flex; align-items: center; gap: 15px; color: #fff; font-size: 10px; font-weight: 500; letter-spacing: .015em; }
.hero-scroll:hover { color: #fff; }
.scroll-line { display: block; width: 1px; height: 35px; background: rgb(255 255 255 / .6); }
.slider-controls { display: flex; align-items: center; gap: 9px; }
.slider-count { display: flex; align-items: center; gap: 12px; margin-right: 20px; font-size: 11px; font-variant-numeric: tabular-nums; }
.slider-count > span:first-child { font-size: 16px; }
.slider-progress { display: block; width: 80px; height: 2px; overflow: hidden; background: rgb(255 255 255 / .3); }
.slider-progress[hidden] { display: none; }
.slider-progress > span { display: block; width: 100%; height: 100%; background: #fff; transform: scaleX(0); transform-origin: left; }
.slider-arrow { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; background: transparent; border: 1px solid rgb(255 255 255 / .4); border-radius: 50%; color: #fff; font-size: 18px; transition: background-color .2s; }
.slider-arrow:hover { background: rgb(255 255 255 / .15); }
.section-heading { margin-bottom: 42px; }
.section-heading h2 span { color: #7a899c; }
.section-heading p { font-size: 13px; line-height: 1.9; margin-bottom: 15px; }
.section-heading .col-lg-5 { padding-left: 55px; }
.category-card { display: block; }
.category-media { overflow: hidden; background: #edf2f6; border-radius: 5px; aspect-ratio: 4 / 3; }
.category-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s cubic-bezier(.22,1,.36,1); }
.category-card:hover img { transform: scale(1.035); }
.category-info { display: flex; align-items: center; justify-content: space-between; padding-block: 18px 10px; }
.category-info h3 { font-size: 19px; letter-spacing: -.025em; }
.category-arrow { display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line); border-radius: 50%; color: var(--navy); transition: background-color .2s, color .2s; }
.category-card:hover .category-arrow { color: #fff; background: var(--blue); border-color: var(--blue); }
.category-note { margin: 30px 0 0; text-align: center; color: var(--ink); font-size: 11px; }
.why-section { background: #f4f7fb; }
.why-image { position: relative; isolation: isolate; margin: 0 16px 16px 0; height: 570px; padding: 12px; background: #fff; border-radius: 5px; box-shadow: 0 12px 30px rgb(23 42 72 / .07); }
.why-image::before { content: ''; position: absolute; inset: 20px -16px -16px 20px; z-index: -1; border: 1px solid #b9cbe3; border-radius: 5px; }
.why-image img { width: 100%; height: 100%; object-fit: cover; object-position: 65% center; border-radius: 2px; }
.why-image figcaption { position: absolute; left: 16px; bottom: 13px; color: #fff; font-size: 9px; padding: 3px 7px; background: rgb(23 42 72 / .7); border-radius: 2px; }
.why-copy { padding-left: 54px; }
.why-copy h2 { margin-bottom: 22px; }
.section-intro { font-family: var(--heading-font); font-weight: 400; font-size: 19px; line-height: 1.55; color: var(--navy); }
.why-copy > p:not(.section-intro) { font-size: 13px; line-height: 1.9; }
.why-list { margin-block: 25px 28px; }
.why-list > div { display: flex; gap: 17px; padding-block: 17px; border-top: 1px solid var(--line); }
.why-list > div > i { color: var(--blue); font-size: 23px; line-height: 1.3; }
.why-list h3 { font: 600 12px/1.6 var(--body-font); letter-spacing: 0; margin-bottom: 4px; }
.why-list p { margin: 0; font-size: 12px; line-height: 1.8; }
.catalog-section { position: relative; isolation: isolate; padding-block: 75px; overflow: hidden; color: #e8effb; background: var(--blue); }
.catalog-backdrop { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.catalog-backdrop img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.catalog-section::before { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgb(24 65 133 / .94), rgb(28 73 143 / .8)); pointer-events: none; }
.catalog-section > .container-xl { position: relative; }
@media (min-width: 992px) and (prefers-reduced-motion: no-preference) {
    .catalog-section { clip-path: inset(0); }
    .catalog-backdrop { position: fixed; height: 100vh; }
}
.catalog-section h2 { color: #fff; font-size: clamp(34px, 3.6vw, 50px); margin-bottom: 23px; }
.catalog-section p { font-size: 13px; line-height: 1.9; margin-bottom: 28px; }
.catalog-file { display: inline-block; margin-left: 20px; font-size: 10px; }
.catalog-book { display: block; position: relative; width: 263px; height: 325px; margin: 0 auto; transform: rotate(9deg); perspective: 1000px; }
@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
    .catalog-section .catalog-book { transition: transform 200ms ease; }
    .catalog-section .catalog-book:hover { transform: rotate(9deg) scale(1.04); }
}
.book-cover { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between; padding: 26px; background: #f5f7fa; color: var(--navy); box-shadow: 14px 20px 35px rgb(9 29 67 / .25); }
.book-spine { position: absolute; left: -8px; top: 0; height: 100%; width: 8px; background: #bdc8d9; }
.book-cover > img:not(.book-cover-logo) { margin-inline: -26px; width: calc(100% + 52px); max-width: none; height: 155px; object-fit: cover; mix-blend-mode: multiply; }
.book-cover .book-cover-logo { width: 100%; height: 62px; object-fit: contain; object-position: left center; }
.book-cover-bottom { position: relative; font-size: 10px; line-height: 1.7; }
.book-cover-bottom strong { font-weight: 600; font-size: 13px; }
.book-cover-bottom i { position: absolute; right: 0; bottom: 0; font-size: 23px; }
.contact-section h2 { font-size: clamp(32px, 3.2vw, 45px); margin-bottom: 25px; }
.contact-intro { max-width: 42ch; font-size: 13px; margin-bottom: 30px; }
.contact-map-column { display: flex; }
.contact-map { position: relative; width: 100%; min-height: 300px; overflow: hidden; border: 1px solid var(--line); border-radius: 4px; background: var(--pale); }
.contact-map iframe { position: absolute; inset: 0; display: block; width: 100%; height: 100%; border: 0; }
.contact-main-phone { display: inline-flex; align-items: center; gap: 28px; margin-top: 15px; color: var(--navy); font-family: var(--heading-font); font-size: clamp(24px, 2.4vw, 33px); font-weight: 500; letter-spacing: -.025em; }
.contact-main-phone i { font-size: 25px; }
.contact-detail { display: flex; gap: 20px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.contact-detail:first-child { padding-top: 0; }
.contact-detail:last-child { border: 0; }
.contact-detail > i { color: var(--blue); font-size: 23px; line-height: 1.5; }
.contact-detail h3 { font: 600 12px/1.5 var(--body-font); letter-spacing: 0; margin-bottom: 10px; }
.contact-detail p, .contact-detail a:not(.text-link) { font-size: 13px; }
.contact-detail p { margin-bottom: 10px; }
.contact-detail .text-link { font-size: 11px; }
.contact-phone-list { display: flex; flex-wrap: wrap; gap: 4px 24px; }
@media (max-width: 991.98px) {
    .why-section .row, .contact-section .row { --bs-gutter-x: 32px; }
    .hero { height: clamp(480px, 78svh, 780px); min-height: 0; max-height: none; }
    .hero h1, .hero h2 { font-size: 57px; }
    .hero h2 { font-size: 52px; }
    .section-heading .col-lg-5 { padding-left: 12px; }
    .why-copy { padding-left: 16px; }
    .why-image { height: 430px; }
    .catalog-section .col-lg-5 { margin-top: 50px; }
    .catalog-book { margin-block: 15px; }
}
@media (max-width: 767.98px) {
    .hero { height: clamp(480px, 78svh, 680px); min-height: 0; max-height: none; }
    .hero-content { align-items: center; padding-top: 100px; padding-bottom: 95px; }
    .hero-image { object-position: 60% center; }
    .hero-shade { background: linear-gradient(90deg, rgb(12 27 50 / .75), rgb(12 27 50 / .25)), linear-gradient(180deg, rgb(12 27 50 / .3), transparent 50%, rgb(12 27 50 / .4)); }
    .hero h1, .hero h2 { font-size: clamp(36px, 8.5vw, 54px); line-height: 1.19; }
    .hero h2 { font-size: clamp(32px, 7.6vw, 48px); }
    .hero-copy > p { max-width: 350px; font-size: 12px; margin-top: 16px; margin-bottom: 18px; }
    .hero-actions { align-items: center; flex-direction: row; flex-wrap: wrap; gap: 8px 18px; }
    .hero-actions .site-button { min-height: 51px; font-size: 12px; padding: 14px 21px; }
    .hero-catalog-link { min-height: 51px; padding: 14px 18px; font-size: 11px; }
    .hero-bottom { bottom: 22px; }
    .hero-scroll { font-size: 9px; gap: 10px; }
    .scroll-line { height: 26px; }
    .slider-controls { gap: 5px; }
    .slider-count { margin-right: 5px; gap: 7px; font-size: 9px; }
    .slider-count > span:first-child { font-size: 12px; }
    .slider-progress { width: 40px; }
    .slider-arrow { width: 44px; height: 44px; font-size: 16px; }
    .section-heading { margin-bottom: 28px; }
    .section-heading p { font-size: 12px; }
    .category-info { padding-top: 13px; padding-bottom: 6px; }
    .category-info h3 { font-size: 19px; }
    .category-grid { --bs-gutter-y: 24px; }
    .category-note { text-align: left; font-size: 10px; line-height: 1.8; margin-top: 23px; }
    .why-image { height: 380px; }
    .why-copy h2 { margin-bottom: 20px; }
    .section-intro { font-size: 18px; }
    .catalog-section { padding-block: 60px; }
    .catalog-file { margin: 15px 0 0 14px; font-size: 9px; }
    .catalog-book { width: 235px; height: 305px; }
    .catalog-section .col-lg-5 { margin-top: 38px; }
    .contact-detail > i { font-size: 21px; }
}
@media (max-width: 359.98px) {
    .container-xl { padding-inline: 18px; }
    .hero-scroll { display: none; }
    .hero-bottom { justify-content: flex-end; }
    .hero h1, .hero h2 { font-size: 34px; }
    .hero h2 { font-size: 30px; }
    .catalog-file { display: block; margin-left: 0; }
}