/* ============================================================
   LANGOTIME — MARKETING UI KIT styles (kit-local)
   Built entirely on design-system tokens from styles.css.
   ============================================================ */

.mk { background: var(--paper); color: var(--text-body); font-family: var(--font-sans); }
.mk-wrap { max-width: var(--container-max); margin: 0 auto; padding-inline: var(--gutter); }
.mk svg[data-lucide] { width: 100%; height: 100%; display: block; }

/* ---------------- Top nav ---------------- */
.mk-nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-subtle); }
.mk-nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.mk-nav__left { display: flex; align-items: center; gap: 40px; }
.mk-logo { height: 22px; display: block; }
.mk-nav__links { display: flex; gap: 28px; }
.mk-nav__links a { font-family: var(--font-techno); font-weight: 500; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-secondary); }
.mk-nav__links a:hover { color: var(--ink-900); }

/* ---------------- Hero ---------------- */
.mk-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--border-subtle); }
.mk-hero__bg { position: absolute; inset: 0; background-size: 30px 30px; background-image:
    linear-gradient(to right, var(--ink-100) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ink-100) 1px, transparent 1px);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 78%);
          mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 78%);
}
.mk-hero__squares { position: absolute; inset: 0; pointer-events: none; }
.mk-hero__sq { position: absolute; background: var(--ink-100); }
.mk-hero__inner { position: relative; text-align: center; padding-block: clamp(72px, 12vw, 150px); display: flex; flex-direction: column; align-items: center; gap: 30px; }
.mk-hero h1 { font-size: clamp(38px, 6vw, 76px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.04; max-width: 16ch; }
.mk-hero h1 em { color: var(--accent); font-style: normal; }
.mk-hero__sub { font-size: clamp(16px, 2vw, 20px); color: var(--text-muted); font-weight: 500; }
.mk-hero__hatch { position: absolute; top: 0; right: 0; width: 42%; height: 90px;
  background-image: repeating-linear-gradient(-45deg, var(--ink-150) 0, var(--ink-150) 1.5px, transparent 1.5px, transparent 10px);
  -webkit-mask-image: linear-gradient(to left, #000, transparent); mask-image: linear-gradient(to left, #000, transparent); }

/* ---------------- Generic section ---------------- */
.mk-section { padding-block: var(--section-y); }
.mk-section__head { display: flex; flex-direction: column; gap: 16px; max-width: 60ch; }
.mk-section__head--center { align-items: center; text-align: center; margin-inline: auto; }
.mk-section__head--center > h2, .mk-section__head--center > .mk-section__lead { align-self: stretch; }
.mk-section h2 { font-size: clamp(28px, 4vw, 44px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.08; }
.mk-section__lead { font-size: 18px; line-height: 1.6; color: var(--text-secondary); }

/* ---------------- Why it's different (dark) ---------------- */
.mk-why { background: var(--ink-900); color: var(--paper); position: relative; overflow: hidden; }
.mk-why__grid-bg { position: absolute; inset: 0; opacity: .5; background-size: 32px 32px; background-image:
    linear-gradient(to right, rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.05) 1px, transparent 1px); }
.mk-why__inner { position: relative; display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: center; }
.mk-why h2 { color: var(--paper); }
.mk-why__lead { color: rgba(255,255,255,.7); font-size: 18px; line-height: 1.6; }
.mk-why__list { display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--ink-700); }
.mk-why__row { display: flex; align-items: center; gap: 16px; padding: 22px 4px; border-bottom: 1px solid var(--ink-700); }
.mk-why__row .n { font-family: var(--font-mono); font-size: 13px; color: var(--accent); }
.mk-why__row .t { font-size: 20px; font-weight: 600; color: var(--paper); }
.mk-why__tag { display: inline-flex; align-items: center; gap: 10px; margin-top: 28px; font-family: var(--font-techno); font-weight: 700; font-size: clamp(18px,2.4vw,26px); letter-spacing: .01em; color: var(--paper); }
.mk-why__tag b { color: var(--accent); }

/* ---------------- How it works ---------------- */
.mk-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 52px; }

/* ---------------- Use cases ---------------- */
.mk-uses { margin-top: 48px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: start; }
.mk-uses__tags { display: flex; flex-direction: column; }
.mk-use-row { display: flex; align-items: center; gap: 18px; padding: 20px 6px; border-top: 1px solid var(--border-default); cursor: pointer; transition: padding-left var(--duration-base) var(--ease-standard); }
.mk-use-row:last-child { border-bottom: 1px solid var(--border-default); }
.mk-use-row:hover { padding-left: 16px; }
.mk-use-row.is-active { padding-left: 16px; }
.mk-use-row .ic { width: 26px; height: 26px; color: var(--ink-900); flex: 0 0 auto; }
.mk-use-row.is-active .ic { color: var(--accent); }
.mk-use-row .lbl { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; flex: 1; }
.mk-use-row .idx { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.mk-use-detail { background: var(--ink-50); border: 1.5px solid var(--border-default); border-radius: var(--radius-lg); padding: 32px; position: sticky; top: 96px; }
.mk-use-detail__ek { margin-bottom: 14px; }
.mk-use-detail h3 { font-size: 24px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 8px; }
.mk-use-detail p { color: var(--text-secondary); line-height: 1.6; }
.mk-use-detail .block { margin-top: 20px; }
.mk-use-detail .block .k { font-family: var(--font-techno); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
.mk-use-results { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border-default); }

/* ---------------- Free & safe ---------------- */
.mk-safe { background: var(--ink-50); border-block: 1px solid var(--border-subtle); }
.mk-safe__grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px 40px; }
.mk-safe__item { display: flex; gap: 14px; }

/* ---------------- Who it's for ---------------- */
.mk-who__items { margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mk-who__card { border: 1.5px solid var(--border-default); border-radius: var(--radius-md); padding: 30px; min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; transition: border-color var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard); }
.mk-who__card:hover { border-color: var(--ink-900); transform: translateY(-2px); }
.mk-who__card .num { font-family: var(--font-techno); font-weight: 700; font-size: 14px; letter-spacing: .1em; color: var(--accent); }
.mk-who__card .ttl { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.mk-who__punch { text-align: center; margin-top: 52px; font-size: clamp(28px,4vw,44px); font-weight: 800; letter-spacing: -0.02em; }
.mk-who__punch b { color: var(--accent); }

/* ---------------- CTA ---------------- */
.mk-cta { position: relative; overflow: hidden; background: var(--accent); color: #fff; border-radius: var(--radius-xl); padding: clamp(40px,6vw,72px); text-align: center; display: flex; flex-direction: column; align-items: center; gap: 24px; }
.mk-cta__hatch { position: absolute; inset: 0; opacity: .16; background-image: repeating-linear-gradient(-45deg, #fff 0, #fff 1.5px, transparent 1.5px, transparent 12px); }
.mk-cta h2 { color: #fff; position: relative; font-size: clamp(26px,3.6vw,40px); max-width: 22ch; }
.mk-cta .mk-cta__inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 24px; }

/* ---------------- Footer ---------------- */
.mk-footer { background: var(--ink-900); color: rgba(255,255,255,.7); padding-block: 64px 40px; }
.mk-footer__top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.mk-footer__logo { height: 24px; }
.mk-footer__addr { font-family: var(--font-mono); font-size: 12px; line-height: 1.8; color: rgba(255,255,255,.55); font-style: normal; }
.mk-footer__cols { display: flex; gap: 64px; }
.mk-footer__col h4 { font-family: var(--font-techno); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.5); margin-bottom: 14px; }
.mk-footer__col a { display: block; color: rgba(255,255,255,.78); font-size: 14px; padding: 4px 0; white-space: nowrap; }
.mk-footer__col a:hover { color: var(--accent); }
.mk-footer__bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--ink-700); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-family: var(--font-mono); font-size: 12px; color: rgba(255,255,255,.45); }

@media (max-width: 900px) {
  .mk-why__inner, .mk-uses { grid-template-columns: 1fr; }
  .mk-steps, .mk-safe__grid, .mk-who__items { grid-template-columns: 1fr 1fr; }
  .mk-nav__links { display: none; }
  .mk-use-detail { position: static; }
}
@media (max-width: 560px) {
  .mk-steps, .mk-safe__grid, .mk-who__items { grid-template-columns: 1fr; }
}