/* About page (page-tentang-kami.php). */

.os-about {
	--ab-accent: #ef4444;
	--ab-ink: var(--text-primary, #0f172a);
	--ab-muted: var(--text-secondary, #64748b);
	--ab-line: #e2e8f0;
	--ab-soft: #f8fafc;
	--ab-card: #fff;
	color: var(--ab-ink);
}
[data-theme="dark"] .os-about { --ab-line: #334155; --ab-soft: #111827; --ab-card: #1e293b; }

/* Hero */
.os-about__hero {
	position: relative;
	padding: calc(72px + clamp(1.5rem, 4vw, 3rem)) 0 clamp(2.25rem, 5vw, 3.75rem);
	overflow: hidden;
	background:
		radial-gradient(700px 320px at 85% 20%, rgba(239, 68, 68, .25), transparent 70%),
		linear-gradient(135deg, #0b1120 0%, #111827 55%, #1e293b 100%);
	color: #fff;
}
.os-about__hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px); background-size: 22px 22px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 70%); mask-image: linear-gradient(90deg, transparent, #000 70%); pointer-events: none; }
.os-about__hero .container { position: relative; }
.os-about__crumbs { display: flex; gap: 8px; margin: 0 0 18px; color: #94a3b8; font-size: .82rem; font-weight: 600; }
.os-about__crumbs a { color: #cbd5e1; text-decoration: none; }
.os-about__crumbs a:hover { color: #fff; }
.os-about__crumbs [aria-current] { color: #f87171; }
.os-about__eyebrow { margin: 0 0 10px; color: #f87171; font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.os-about__title { max-width: 16ch; margin: 0 0 16px; color: #fff; font-size: clamp(2.2rem, 5.5vw, 3.75rem); font-weight: 800; line-height: 1.05; letter-spacing: -.03em; }
.os-about__title span { background: linear-gradient(90deg, #f87171, #ef4444); -webkit-background-clip: text; background-clip: text; color: transparent; }
.os-about__lead { max-width: 62ch; margin: 0; color: #cbd5e1; font-size: clamp(1rem, 1.6vw, 1.15rem); line-height: 1.65; }

/* Sections */
.os-about__section { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.os-about__section--soft { background: var(--ab-soft); }
.os-about__head { max-width: 640px; margin: 0 0 1.75rem; }
.os-about__head h2,
.os-about__card h2 { margin: 0 0 .6rem; color: var(--ab-ink); font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 800; line-height: 1.2; letter-spacing: -.02em; }
.os-about p { line-height: 1.65; }

.os-about__intro, .os-about__audience { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.os-about__card { padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--ab-line); border-radius: 18px; background: var(--ab-card); }
.os-about__card p { margin: 0; color: var(--ab-muted); }
.os-about__card h3 { margin: 0 0 .4rem; font-size: 1.1rem; font-weight: 800; }
.os-about__card--accent { border-color: rgba(239, 68, 68, .25); background: linear-gradient(160deg, rgba(239, 68, 68, .08), var(--ab-card) 60%); }

/* Features */
.os-about__features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.os-about__feature { padding: 1.5rem; border: 1px solid var(--ab-line); border-radius: 18px; background: var(--ab-card); transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.os-about__feature:hover { transform: translateY(-4px); border-color: rgba(239, 68, 68, .35); box-shadow: 0 18px 36px rgba(15, 23, 42, .08); }
.os-about__icon-wrap { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: 14px; border-radius: 12px; background: rgba(239, 68, 68, .1); color: var(--ab-accent); }
.os-about__feature h3 { margin: 0 0 .4rem; font-size: 1.05rem; font-weight: 800; }
.os-about__feature p { margin: 0; color: var(--ab-muted); font-size: .94rem; }

/* Principles */
.os-about__principles { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); gap: .9rem 1.5rem; margin: 0; padding: 0; list-style: none; }
.os-about__principles li { display: flex; gap: 12px; align-items: flex-start; }
.os-about__check { display: inline-grid; place-items: center; flex: none; width: 26px; height: 26px; margin-top: 1px; border-radius: 50%; background: var(--ab-accent); color: #fff; }
.os-about__principles strong { display: block; margin-bottom: 2px; font-size: 1rem; }
.os-about__principles p { margin: 0; color: var(--ab-muted); font-size: .94rem; }

/* Steps */
.os-about__steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.os-about__steps li { position: relative; padding: 1.5rem 1.5rem 1.4rem; border: 1px solid var(--ab-line); border-radius: 18px; background: var(--ab-card); counter-increment: step; }
.os-about__steps li::before { content: counter(step, decimal-leading-zero); display: block; margin-bottom: 10px; color: var(--ab-accent); font-size: 2rem; font-weight: 800; line-height: 1; letter-spacing: -.03em; }
.os-about__steps h3 { margin: 0 0 .35rem; font-size: 1.15rem; font-weight: 800; }
.os-about__steps p { margin: 0; color: var(--ab-muted); font-size: .94rem; }

/* CTA */
.os-about__cta { padding: clamp(2.5rem, 5vw, 3.5rem) 0; background: linear-gradient(135deg, #0b1120, #1e293b); color: #fff; text-align: center; }
.os-about__cta h2 { margin: 0 0 .5rem; color: #fff; font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; }
.os-about__cta > .container > p { margin: 0 auto 1.5rem; max-width: 52ch; color: #cbd5e1; }
.os-about__buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 1.5rem; }
.os-about__btn { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 20px; border: 1.5px solid rgba(255, 255, 255, .18); border-radius: 12px; background: rgba(255, 255, 255, .06); color: #fff; font-weight: 700; text-decoration: none; transition: background-color .2s ease, border-color .2s ease, transform .15s ease; }
.os-about__btn:hover { border-color: rgba(255, 255, 255, .4); background: rgba(255, 255, 255, .12); color: #fff; }
.os-about__btn:active { transform: scale(.98); }
.os-about__btn:focus-visible { outline: 3px solid rgba(248, 113, 113, .6); outline-offset: 2px; }
.os-about__btn--primary { border-color: var(--ab-accent); background: var(--ab-accent); }
.os-about__btn--primary:hover { border-color: #dc2626; background: #dc2626; }
.os-about__btn-icon { width: 18px; height: 18px; flex: none; }
.os-about__note { margin: 0; color: #94a3b8; font-size: .88rem; }
.os-about__note a { color: #f87171; font-weight: 700; }

.os-about__disclaimer { max-width: 80ch; margin: 1.75rem auto 2.5rem; color: var(--ab-muted); font-size: .8rem; font-style: italic; line-height: 1.6; text-align: center; }

@media (max-width: 860px) {
	.os-about__intro, .os-about__audience, .os-about__steps { grid-template-columns: 1fr; }
	.os-about__features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
	.os-about__btn { flex: 1 1 calc(50% - 10px); justify-content: center; padding: 0 12px; }
	.os-about__features { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
	.os-about__feature { transition: none; }
	.os-about__feature:hover { transform: none; }
}