/* Trang Giới thiệu: CSS tách biệt khỏi landing page trang chủ. */
.about-page {
	--about-muted: #6b6b6b;
	--about-soft: #f7f7f5;
	--about-radius: 20px;
	--about-shadow: 0 20px 60px rgba(0, 0, 0, .09);
	color: var(--text);
	overflow: hidden;
	font-family: "Manrope", sans-serif;
	line-height: 1.65;
}

.about-page *, .about-page *::before, .about-page *::after { box-sizing: border-box; }
.about-page img { display: block; width: 100%; height: 100%; object-fit: cover; }
.about-page a { color: inherit; text-decoration: none; }
.about-page h1, .about-page h2, .about-page h3, .about-page h4 { margin: 0; color: var(--black); font-family: "Montserrat", sans-serif; font-weight: 700; line-height: 1.15; letter-spacing: -.025em; }
.about-page h2 { font-size: clamp(34px, 4vw, 40px); }

.about-page .section { padding: 100px 0; }
.about-page .eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px; color: #8b6d00; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.about-page .eyebrow::before { width: 32px; height: 3px; border-radius: 999px; background: var(--yellow); content: ""; }
.about-page .section-head { display: grid; grid-template-columns: 1fr .72fr; gap: 70px; align-items: end; margin-bottom: 54px; }
.about-page .section-head p { max-width: 500px; margin: 0; color: var(--about-muted); }
.about-page .btn { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; padding: 0 24px; border: 0; border-radius: 10px; font-weight: 800; transition: transform .25s ease, box-shadow .25s ease, background-color .25s ease; }
.about-page .btn:hover { transform: translateY(-2px); }

/* Hero */
.about-hero { position: relative; padding: 158px 0 88px; overflow: hidden; color: #fff; background: #101010; }
.about-hero::before { position: absolute; inset: 0; content: ""; opacity: .7; background: radial-gradient(circle at 86% 18%, rgba(244, 196, 0, .24), transparent 24%), radial-gradient(circle at 16% 72%, rgba(255, 216, 74, .12), transparent 22%); }
.about-hero::after { position: absolute; right: -200px; bottom: -300px; width: 680px; height: 680px; border: 1px solid rgba(244, 196, 0, .18); border-radius: 50%; content: ""; box-shadow: 0 0 0 100px rgba(244, 196, 0, .025), 0 0 0 200px rgba(244, 196, 0, .02); }
.about-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr .82fr; gap: 74px; align-items: center; }
.about-hero-copy { max-width: 670px; }
.about-hero .eyebrow { color: #ffe99a; }
.about-hero h1 { max-width: 650px; color: #fff; font-size: clamp(42px, 5.2vw, 62px); }
.about-hero h1 .accent { display: block; color: var(--yellow); }
.about-hero p { max-width: 620px; margin: 25px 0 32px; color: rgba(255,255,255,.76); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions .btn-primary { background: var(--yellow); color: var(--black); box-shadow: 0 10px 30px rgba(244,196,0,.28); }
.hero-actions .btn-primary:hover { background: var(--yellow-2); box-shadow: 0 14px 34px rgba(244,196,0,.34); }
.hero-actions .btn-outline { border: 1px solid rgba(255,255,255,.34); color: #fff; background: rgba(255,255,255,.04); }
.hero-actions .btn-outline:hover { border-color: var(--yellow); background: rgba(244,196,0,.12); }
.hero-trust { display: flex; flex-wrap: wrap; gap: 14px 20px; margin-top: 30px; color: rgba(255,255,255,.72); font-size: 13px; font-weight: 700; }
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust i { width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 5px rgba(244,196,0,.12); }
.hero-panel { position: relative; min-height: 510px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); border-radius: 28px; box-shadow: 0 28px 65px rgba(0,0,0,.28); }
.hero-panel::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 34%, rgba(0,0,0,.92)); pointer-events: none; }
.hero-panel-card { position: absolute; right: 20px; bottom: 20px; left: 20px; z-index: 1; display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid rgba(255,255,255,.17); border-radius: 16px; overflow: hidden; background: rgba(17,17,17,.74); backdrop-filter: blur(14px); }
.panel-metric { min-height: 102px; padding: 18px; border: solid rgba(255,255,255,.12); border-width: 0 1px 1px 0; }
.panel-metric:nth-child(2n) { border-right: 0; }
.panel-metric:nth-last-child(-n+2) { border-bottom: 0; }
.panel-metric strong { display: block; color: var(--yellow); font: 800 25px/1 "Montserrat", sans-serif; }
.panel-metric span { display: block; margin-top: 8px; color: rgba(255,255,255,.68); font-size: 11px; line-height: 1.45; }

/* Câu chuyện */
.story { background: #fff; }
.story-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 74px; align-items: center; }
.story-visual { position: relative; min-height: 590px; overflow: hidden; border-radius: var(--about-radius); box-shadow: var(--about-shadow); }
.story-visual::after { position: absolute; inset: 0; content: ""; background: linear-gradient(180deg, transparent 45%, rgba(0,0,0,.65)); }
.story-note { position: absolute; right: 22px; bottom: 22px; left: 22px; z-index: 1; padding: 20px; border: 1px solid rgba(255,255,255,.2); border-radius: 14px; background: rgba(16,16,16,.74); color: #fff; backdrop-filter: blur(12px); }
.story-note b, .story-note span { display: block; }
.story-note b { margin-bottom: 4px; font-size: 14px; }
.story-note span { color: rgba(255,255,255,.74); font-size: 12px; line-height: 1.55; }
.story-content h3 { max-width: 590px; font-size: clamp(26px, 3.2vw, 34px); }
.story-content > p { margin: 18px 0 27px; color: var(--about-muted); }
.story-points { display: grid; gap: 16px; }
.story-point { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.story-point > span { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 10px; background: #fff6cb; color: #7d6100; font: 800 12px/1 "Montserrat", sans-serif; }
.story-point b, .story-point small { display: block; }
.story-point b { color: var(--black); font-size: 15px; }
.story-point small { margin-top: 3px; color: var(--about-muted); font-size: 13px; line-height: 1.55; }
.story-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 31px; }
.story-stat { padding: 16px; border: 1px solid var(--line); border-radius: 12px; }
.story-stat strong, .story-stat span { display: block; }
.story-stat strong { color: #8b6d00; font: 800 22px/1 "Montserrat", sans-serif; }
.story-stat span { margin-top: 7px; color: var(--about-muted); font-size: 11px; line-height: 1.35; }

/* Giá trị cốt lõi */
.principles { background: var(--about-soft); }
.principles-grid { display: grid; grid-template-columns: .87fr 1.13fr; gap: 24px; }
.principles-featured { position: relative; display: flex; min-height: 510px; flex-direction: column; justify-content: space-between; padding: 37px; overflow: hidden; border-radius: var(--about-radius); background: #141414; color: #fff; }
.principles-featured::before { position: absolute; top: -155px; right: -130px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(244,196,0,.35), rgba(244,196,0,0) 68%); content: ""; }
.principles-featured > * { position: relative; z-index: 1; }
.principles-badge { align-self: flex-start; padding: 8px 11px; border: 1px solid rgba(244,196,0,.35); border-radius: 999px; color: #ffe99a; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.principles-featured h3 { max-width: 430px; color: #fff; font-size: clamp(27px, 3.2vw, 36px); }
.principles-featured p { margin: 18px 0 0; color: rgba(255,255,255,.7); }
.principles-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 34px; }
.principles-metrics > div { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.18); }
.principles-metrics strong, .principles-metrics span { display: block; }
.principles-metrics strong { color: var(--yellow); font: 800 24px/1 "Montserrat", sans-serif; }
.principles-metrics span { margin-top: 8px; color: rgba(255,255,255,.62); font-size: 12px; }
.principles-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.principle-card { min-height: 246px; padding: 27px; border: 1px solid #e4e4e2; border-radius: 16px; background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.principle-card:hover { transform: translateY(-5px); box-shadow: 0 16px 38px rgba(0,0,0,.08); }
.principle-icon { display: grid; width: 43px; height: 43px; place-items: center; margin-bottom: 23px; border-radius: 10px; background: #fff4bd; color: #765b00; font: 800 13px/1 "Montserrat", sans-serif; }
.principle-card h4 { font-size: 19px; }
.principle-card p { margin: 11px 0 0; color: var(--about-muted); font-size: 13px; }

/* Timeline */
.timeline { background: #fff; }
.timeline-wrap { position: relative; display: grid; gap: 18px; max-width: 990px; }
.timeline-line { position: absolute; top: 20px; bottom: 20px; left: 22px; width: 1px; background: #e1e1e1; }
.timeline-line span { display: block; width: 100%; height: 46%; background: var(--yellow); }
.timeline-card { position: relative; display: grid; grid-template-columns: 70px 1fr; gap: 14px; }
.timeline-node { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 9px; }
.timeline-dot { width: 13px; height: 13px; margin-top: 12px; border: 3px solid #fff; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 0 1px #cba300; }
.timeline-no { color: #9b9b9b; font: 800 11px/1 "Montserrat", sans-serif; }
.timeline-card-inner { padding: 24px 27px; border: 1px solid var(--line); border-radius: 15px; background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.timeline-card-inner:hover { transform: translateX(5px); box-shadow: 0 14px 34px rgba(0,0,0,.07); }
.timeline-label { margin-bottom: 7px; color: #907000; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.timeline-card h3 { font-size: 20px; }
.timeline-card p { margin: 10px 0 0; color: var(--about-muted); font-size: 14px; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.timeline-tags span { padding: 5px 9px; border-radius: 999px; background: #f6f4ed; color: #705b00; font-size: 10px; font-weight: 800; }

/* Đội ngũ và CTA */
.leadership { background: var(--about-soft); }
.leaders-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.leader-card { overflow: hidden; border: 1px solid #e3e3e1; border-radius: 16px; background: #fff; transition: transform .25s ease, box-shadow .25s ease; }
.leader-card:hover { transform: translateY(-5px); box-shadow: 0 17px 40px rgba(0,0,0,.08); }
.leader-media { position: relative; height: 300px; overflow: hidden; }
.leader-media::after { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 44%, rgba(0,0,0,.55)); content: ""; }
.leader-role { position: absolute; right: 15px; bottom: 14px; z-index: 1; padding: 6px 10px; border-radius: 999px; background: var(--yellow); color: #171717; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.leader-body { padding: 23px; }
.leader-body h3 { font-size: 20px; }
.leader-body p { margin: 10px 0 0; color: var(--about-muted); font-size: 13px; }
.cta-wrap { padding: 80px 0; background: #fff; }
.cta { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 50px; align-items: center; padding: 50px 54px; overflow: hidden; border-radius: 20px; background: #f4c400; }
.cta::after { position: absolute; right: -110px; bottom: -170px; width: 430px; height: 430px; border: 1px solid rgba(0,0,0,.12); border-radius: 50%; content: ""; box-shadow: 0 0 0 60px rgba(255,255,255,.12); }
.cta > * { position: relative; z-index: 1; }
.cta .eyebrow { color: #5f4b00; }
.cta h2 { max-width: 650px; font-size: clamp(29px, 3.5vw, 38px); }
.cta p { max-width: 620px; margin: 15px 0 0; color: rgba(16,16,16,.74); }
.cta-actions { display: grid; gap: 12px; }
.cta .btn { border: 1px solid #171717; background: #171717; color: #fff; }
.cta .btn:hover { background: #303030; }
.cta .btn.outline { background: transparent; color: #171717; }
.cta .btn.outline:hover { background: rgba(255,255,255,.32); }

.about-page .reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.about-page .reveal.show { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
	.about-hero { padding-top: 138px; }
	.about-hero-grid, .story-grid, .principles-grid, .cta, .about-page .section-head { grid-template-columns: 1fr; }
	.about-hero-grid, .story-grid { gap: 45px; }
	.about-page .section-head { gap: 16px; }
	.about-page .section-head p, .about-hero-copy, .story-content > p { max-width: none; }
	.hero-panel { min-height: 460px; max-width: 720px; }
	.timeline-wrap { max-width: none; }
	.leaders-grid { grid-template-columns: repeat(2, 1fr); }
	.principles-featured { min-height: 400px; }
}

@media (max-width: 640px) {
	.about-page .section { padding: 68px 0; }
	.about-hero { padding: 126px 0 64px; }
	.about-hero-grid { gap: 36px; }
	.about-hero h1 { font-size: 40px; }
	.about-hero p { font-size: 15px; }
	.hero-trust { display: grid; gap: 10px; }
	.hero-panel { min-height: 400px; border-radius: 20px; }
	.hero-panel-card { right: 12px; bottom: 12px; left: 12px; }
	.panel-metric { min-height: 92px; padding: 14px; }
	.story-visual { min-height: 420px; }
	.story-stats, .principles-cards { grid-template-columns: 1fr; }
	.principles-featured { min-height: 430px; padding: 28px; }
	.timeline-wrap { margin-left: -7px; }
	.timeline-card { grid-template-columns: 47px 1fr; gap: 8px; }
	.timeline-line { left: 16px; }
	.timeline-card-inner { padding: 20px; }
	.leaders-grid { grid-template-columns: 1fr; }
	.leader-media { height: 280px; }
	.cta { padding: 34px 24px; gap: 30px; }
}