:root {
    --about-brand: #ff5722;
    --about-brand-deep: #d84315;
    --about-ink: #252b31;
    --about-muted: #687178;
    --about-paper: #f2f3f1;
    --about-surface: #fff;
    --about-soft: #f7f8f6;
    --about-line: #e1e5e1;
    --about-green: #287266;
    --about-navy: #192438;
    --about-shadow: 0 20px 58px rgba(39, 47, 51, .085);
}

html { scroll-padding-top: 84px; }
body {
    background:
        radial-gradient(circle at 8% 12%, rgba(255, 255, 255, .9), transparent 24%),
        var(--about-paper);
    color: var(--about-ink);
    font-size: 16px;
    line-height: 1.9;
}

.header {
    position: relative;
    min-height: 116px;
    padding: 25px 20px;
    overflow: hidden;
    border-bottom: 1px solid rgba(75, 91, 99, .1);
    background:
        radial-gradient(circle at 82% -30%, rgba(65, 101, 124, .15), transparent 38%),
        linear-gradient(135deg, #fafcfb, #edf2f2);
    box-shadow: none;
}
.header::after {
    content: "ABOUT";
    position: absolute;
    right: 4vw;
    bottom: -33px;
    color: rgba(56, 72, 81, .04);
    font: 900 clamp(72px, 12vw, 145px)/1 "Poppins", sans-serif;
    letter-spacing: -.08em;
    pointer-events: none;
}
.header-inner { max-width: 980px; z-index: 2; }
.btn-back, .btn-home {
    position: absolute;
    top: 50%;
    display: grid;
    width: 44px;
    height: 44px;
    padding: 0;
    place-items: center;
    border: 1px solid rgba(75, 87, 94, .15);
    border-radius: 50%;
    background: rgba(255, 255, 255, .75);
    color: #39434a;
    box-shadow: 0 8px 22px rgba(44, 57, 65, .07);
    text-decoration: none;
    transform: translateY(-50%);
    backdrop-filter: blur(8px);
    transition: .2s;
}
.btn-back { left: 0; font-size: 28px; }
.btn-home { right: 0; font-size: 20px; }
.btn-back:hover, .btn-home:hover { border-color: rgba(48, 99, 113, .38); background: #fff; color: #315f74; }
.btn-back:active, .btn-home:active { transform: translateY(-50%) scale(.94); }
.brand-title { font-size: 28px; }
.brand-subtitle { margin-top: 5px; color: #687178; font-size: 10px; letter-spacing: .2em; }

.sub-nav {
    top: 0;
    gap: 7px;
    min-height: 64px;
    align-items: center;
    padding: 9px 18px;
    border-bottom: 1px solid rgba(217, 221, 218, .92);
    background: rgba(255, 255, 255, .9);
    box-shadow: 0 10px 28px rgba(42, 50, 55, .055);
}
.sub-nav a {
    min-width: 96px;
    padding: 10px 16px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: #707980;
    font-size: 14px;
    text-align: center;
}
.sub-nav a::after { display: none; }
.sub-nav a:hover { color: var(--about-green); background: #f2f7f5; }
.sub-nav a.active {
    border-color: rgba(40, 114, 102, .17);
    background: #edf6f2;
    color: var(--about-green);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .55);
}

.container { max-width: 980px; margin: 34px auto 48px; padding: 0 20px; }
.section-block {
    margin-bottom: 25px;
    padding: 46px 42px;
    overflow: hidden;
    border: 1px solid var(--about-line);
    border-radius: 28px;
    background: rgba(255, 255, 255, .98);
    box-shadow: var(--about-shadow);
    scroll-margin-top: 82px;
}
.section-title {
    max-width: 760px;
    margin: 0 auto 20px;
    color: var(--about-ink);
    font-size: 25px;
    letter-spacing: -.035em;
}
.section-title::before {
    width: 5px;
    height: 22px;
    background: var(--about-green);
    box-shadow: none;
}
.section-lead { max-width: 760px; margin-left: auto; margin-right: auto; color: var(--about-muted); font-size: 16px; line-height: 1.95; }

.reading-section {
    position: relative;
    background:
        radial-gradient(circle at 94% 4%, rgba(40, 114, 102, .085), transparent 25%),
        linear-gradient(180deg, #fff, #fffdfa);
}
.reading-section::after {
    content: "";
    position: absolute;
    right: -105px;
    bottom: -135px;
    width: 270px;
    height: 270px;
    border: 1px solid rgba(255, 87, 34, .11);
    border-radius: 50%;
    box-shadow: 0 0 0 46px rgba(255, 87, 34, .025);
    pointer-events: none;
}
.story-text { position: relative; z-index: 1; max-width: 760px; color: #4f585e; font-size: 17px; font-weight: 500; }
.story-text p { color: #4f585e; line-height: 2; }
.story-intro { padding-bottom: 20px; color: var(--about-ink); font-size: 29px; line-height: 1.5; }
.story-question { margin: 23px 0 18px !important; color: var(--about-brand-deep); font-size: 25px; line-height: 1.55; }
.story-bold { color: var(--about-ink); font-size: 18px; }
.story-focus-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 11px;
    margin: 25px 0 31px;
    padding: 0;
    border: 0;
}
.story-focus-list.soft-line { grid-template-columns: repeat(2, minmax(0, 1fr)); border: 0; }
.focus-item {
    min-height: 92px;
    margin: 0;
    padding: 17px 18px;
    border: 1px solid var(--about-line);
    border-radius: 16px;
    background: #f8f9f7;
}
.soft-line .focus-item { min-height: 0; padding: 14px 17px; background: #fff8f4; border-color: #f2ded4; }
.fi-title { color: var(--about-green); font-size: 15px; }
.fi-desc { color: #677079; font-size: 15px; line-height: 1.7; }
.story-conclusion {
    position: relative;
    margin-top: 34px;
    padding: 27px 29px;
    border: 0;
    border-radius: 19px;
    background: var(--about-navy);
    color: #fff;
}
.story-conclusion .c-label { color: #72d7c1; }
.story-conclusion .c-text { max-width: 680px; color: #e7ecf2; font-size: 17px; line-height: 1.95; }

.reading-soft-section { background: #fff; border-color: var(--about-line); box-shadow: var(--about-shadow); }
.reading-soft-section > .section-title,
.reading-soft-section > p { max-width: 760px; }
.feature-grid { max-width: 760px; gap: 13px; margin: 25px auto 0; }
.feature-card {
    padding: 25px 22px;
    border: 1px solid var(--about-line);
    border-radius: 18px;
    background: var(--about-soft);
    box-shadow: none;
    text-align: left;
}
.feature-card:hover { border-color: rgba(40, 114, 102, .27); background: #fff; box-shadow: 0 12px 26px rgba(38, 52, 50, .07); }
.feature-icon { display: inline-flex; margin-bottom: 13px; padding: 6px 10px; border-radius: 999px; background: #edf6f2; color: var(--about-green); font-size: 12px; letter-spacing: .05em; }
.feature-title { margin-bottom: 7px; color: var(--about-ink); font-size: 18px; }
.feature-desc { color: #687178; font-size: 15px; line-height: 1.8; }

.team-section { border-color: var(--about-line); background: #f8f9f7; box-shadow: var(--about-shadow); }
.team-section .section-title { color: var(--about-ink); font-size: clamp(21px, 3vw, 25px); line-height: 1.45; }
.team-intro { max-width: 680px; margin-bottom: 30px; color: #687178; font-size: 16px; }
.team-avatar-wrapper { border-radius: 18px; }
.team-avatar-img { width: 86px; height: 86px; border: 4px solid #fff; box-shadow: 0 10px 24px rgba(34, 45, 51, .1); }
.team-avatar-wrapper.active .team-avatar-img { box-shadow: 0 0 0 4px rgba(255, 87, 34, .13), 0 12px 26px rgba(34, 45, 51, .12); }
.team-avatar-wrapper.active .ta-name { color: var(--about-brand-deep); }
.team-avatar-wrapper.active .ta-name::after { background: var(--about-brand); }
.team-cards-wrapper { max-width: 760px; margin-left: auto; margin-right: auto; }
.td-desc { color: #535d64; font-size: 16px; line-height: 1.95; }

.contact-box {
    max-width: 760px;
    padding: 31px;
    border: 1px solid rgba(40, 114, 102, .16);
    border-radius: 20px;
    background: linear-gradient(135deg, #f4faf7, #edf6f2);
    box-shadow: none;
}
.contact-label { color: var(--about-green); }
.contact-team-note { display: inline-block; margin-top: 8px; color: var(--about-green); font-size: 14px; font-weight: 800; }
.contact-email { margin: 12px 0 20px; color: var(--about-ink); font-size: 21px; }
.contact-btn { background: var(--about-green); box-shadow: 0 10px 23px rgba(40, 114, 102, .19); }
.contact-btn:hover { background: var(--about-brand); }

.site-footer { margin-top: 0; padding: 0; background: var(--about-navy); color: #dfe6ef; text-align: left; }
.footer-inner {
    display: flex;
    width: min(100% - 40px, 980px);
    min-height: 148px;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    margin: 0 auto;
    padding: 26px 0;
}
.footer-brand { display: flex; flex-direction: column; text-decoration: none; }
.footer-brand strong { color: #fff; font: 900 21px "Poppins", sans-serif; letter-spacing: -.035em; }
.footer-brand span { margin-top: 2px; color: #91a0b4; font-size: 12px; font-weight: 700; }
.footer-side { display: flex; flex-direction: column; align-items: flex-end; gap: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.footer-nav a { padding: 7px 11px; border: 1px solid #334159; border-radius: 999px; color: #d8e0eb; font-size: 12px; font-weight: 800; text-decoration: none; }
.footer-nav a:hover { border-color: #576a89; background: #222f46; color: #fff; }
.footer-copy { color: #718096; font-size: 11px; font-weight: 700; }
.btn-top { z-index: 120; background: var(--about-brand); color: #fff; border: 0; box-shadow: 0 12px 28px rgba(216, 67, 21, .24); }

@media (min-width: 769px) {
    .team-cards-wrapper { padding: 34px 32px 30px; border-color: var(--about-line); }
    .td-name { font-size: 22px; }
    .td-role { font-size: 13px; }
}

@media (max-width: 768px) {
    html { scroll-padding-top: 66px; }
    body { font-size: 16px; }
    .header { min-height: 104px; padding: 22px 14px; }
    .header::after { right: -8vw; bottom: -13px; font-size: 78px; }
    .header-inner { max-width: none; }
    .btn-back, .btn-home { width: 42px; height: 42px; }
    .btn-back { left: 0; }
    .btn-home { right: 0; }
    .brand-title { font-size: 25px; }
    .brand-subtitle { font-size: 9px; letter-spacing: .18em; }
    .sub-nav { top: 0; min-height: 60px; justify-content: flex-start; gap: 6px; padding: 8px 10px; }
    .sub-nav a { min-width: auto; padding: 9px 13px; font-size: 13px; }
    .container { margin: 20px auto 30px; padding: 0 10px; }
    .section-block { margin-bottom: 14px; padding: 29px 19px; border-radius: 22px; scroll-margin-top: 70px; }
    .section-title { margin-bottom: 16px; font-size: 22px; }
    .section-lead { font-size: 16px; line-height: 1.9; }
    .story-text { max-width: 100%; font-size: 16px; }
    .story-text p { font-size: 16px; line-height: 1.95; }
    .story-intro { margin-bottom: 16px; padding-bottom: 17px; font-size: 23px; line-height: 1.55; }
    .story-question { font-size: 21px; }
    .story-bold { font-size: 17px; }
    .story-focus-list, .story-focus-list.soft-line { grid-template-columns: 1fr; gap: 8px; margin: 20px 0 26px; }
    .focus-item { min-height: 0; padding: 14px 15px; }
    .fi-title, .fi-desc { font-size: 15px; }
    .story-conclusion { margin-top: 28px; padding: 22px 19px; }
    .story-conclusion .c-text { font-size: 16px; line-height: 1.9; }
    .feature-grid { grid-template-columns: 1fr; gap: 9px; }
    .feature-card { padding: 20px 18px; }
    .feature-title { font-size: 17px; }
    .feature-desc { font-size: 15px; }
    .team-section .section-title { font-size: 22px; }
    .team-intro { font-size: 16px; line-height: 1.9; }
    .team-cards-wrapper { gap: 11px; margin: 0 -19px; padding: 42px 19px 12px; }
    .team-card { flex-basis: 91%; padding: 24px 19px 21px; border-color: var(--about-line); box-shadow: 0 10px 24px rgba(38, 47, 51, .06); }
    .td-desc { font-size: 16px; line-height: 1.9; }
    .tc-name { font-size: 18px; }
    .tc-role { font-size: 13px; }
    .contact-box { padding: 24px 17px; }
    .contact-email { font-size: 16px; }
    .footer-inner { min-height: 166px; flex-direction: column; justify-content: center; gap: 14px; padding: 25px 0 22px; text-align: center; }
    .footer-side { align-items: center; gap: 10px; }
    .footer-nav { justify-content: center; }
    .btn-top { right: 14px; bottom: 18px; width: 46px; height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}