.premium-library { background: var(--paper); }
.premium-library .primary-nav a[aria-current="page"] { color: var(--white); }
.premium-library .primary-nav a[aria-current="page"]::after { right: 0; }

.library-hero { position: relative; overflow: hidden; padding: 100px 0 0; }
.library-hero__grid, .library-method__grid { position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px); background-size: 82px 82px; mask-image: linear-gradient(to bottom, #000, transparent 92%); opacity: .32; }
.library-hero__glow { position: absolute; width: 760px; height: 620px; right: -150px; top: -230px; border-radius: 50%; background: radial-gradient(circle, rgba(63,105,126,.42), transparent 68%); filter: blur(20px); }
.library-hero__inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(430px, .9fr) minmax(500px, 1.1fr); align-items: center; gap: 90px; min-height: 520px; padding-bottom: 80px; }
.library-hero__copy h1 { max-width: 740px; font-size: clamp(60px, 6.3vw, 94px); letter-spacing: -.05em; }
.library-hero__copy > p { max-width: 620px; margin-top: 28px; color: rgba(255,255,255,.67); font-size: 19px; line-height: 1.7; }
.library-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.library-hero__system { position: relative; min-height: 450px; display: grid; place-items: center; }
.library-orbit { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(213,194,154,.23); border-radius: 50%; transform: translate(-50%,-50%); }
.library-orbit--outer { width: min(100%, 440px); aspect-ratio: 1; }
.library-orbit--inner { width: min(72%, 320px); aspect-ratio: 1; border-color: rgba(255,255,255,.11); }
.library-core { position: relative; z-index: 3; display: grid; place-items: center; width: 230px; aspect-ratio: 1; border: 1px solid rgba(213,194,154,.35); border-radius: 50%; background: radial-gradient(circle at 42% 35%, #1c3442, #0a1217 72%); box-shadow: 0 35px 80px rgba(0,0,0,.42), inset 0 0 50px rgba(183,154,103,.05); text-align: center; }
.library-core::after { content: ''; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.07); border-radius: 50%; }
.library-core img { width: 62px; height: 62px; object-fit: contain; }
.library-core span { margin-top: -16px; color: var(--brass-light); font-size: 8px; font-weight: 800; letter-spacing: .22em; }
.library-core strong { margin-top: -15px; color: var(--white); font-size: 11px; letter-spacing: .22em; line-height: 1.6; }
.library-node { position: absolute; z-index: 4; padding: 8px 13px; border: 1px solid rgba(255,255,255,.13); background: rgba(12,22,28,.94); color: rgba(255,255,255,.75); font-size: 9px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; box-shadow: 0 10px 25px rgba(0,0,0,.25); }
.library-node--one { top: 8%; left: 14%; }
.library-node--two { top: 22%; right: 2%; }
.library-node--three { bottom: 16%; right: 6%; }
.library-node--four { bottom: 9%; left: 10%; }
.library-stats { position: relative; z-index: 3; display: grid; grid-template-columns: repeat(4,1fr); border-top: 1px solid rgba(255,255,255,.1); }
.library-stats > div { display: flex; align-items: center; gap: 16px; min-height: 98px; padding: 0 32px; }
.library-stats > div + div { border-left: 1px solid rgba(255,255,255,.1); }
.library-stats strong { color: var(--brass-light); font-family: var(--display); font-size: 34px; font-weight: 400; }
.library-stats span { color: rgba(255,255,255,.5); font-size: 10px; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }

.library-catalog { padding: 112px 0 128px; background: linear-gradient(180deg, #faf9f5, #f1ede4); }
.library-heading { display: grid; grid-template-columns: minmax(0,1.45fr) minmax(280px,.55fr); align-items: end; gap: 90px; }
.library-heading h2 { max-width: 820px; font-size: clamp(44px,4.5vw,68px); letter-spacing: -.04em; }
.library-heading > p { max-width: 420px; padding-bottom: 8px; color: #5b686f; font-size: 17px; line-height: 1.75; }
.library-controls { display: grid; grid-template-columns: minmax(230px,1fr) auto auto; align-items: center; gap: 20px; margin: 64px 0 34px; padding: 14px; border: 1px solid var(--line); background: rgba(255,255,255,.72); box-shadow: 0 14px 42px rgba(11,17,22,.055); }
.library-search { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 16px; border-right: 1px solid var(--line); }
.library-search svg { width: 17px; fill: none; stroke: #75838b; stroke-width: 1.5; }
.library-search input { width: 100%; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 13px; }
.library-search input::placeholder { color: #8b959a; }
.library-filters { display: flex; gap: 5px; }
.library-filters button { min-height: 42px; padding: 0 16px; border: 1px solid transparent; background: transparent; color: #59666d; cursor: pointer; font-size: 10px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; transition: background 160ms ease,color 160ms ease,border-color 160ms ease; }
.library-filters button:hover { border-color: rgba(11,17,22,.17); color: var(--ink); }
.library-filters button.is-active { background: var(--ink); color: var(--white); }
.library-count { min-width: 82px; color: #7a858a; font-size: 10px; letter-spacing: .08em; text-align: center; text-transform: uppercase; }
.library-count strong { color: var(--ink); font-family: var(--display); font-size: 22px; font-weight: 400; }

.tool-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.tool-card { position: relative; min-width: 0; overflow: hidden; border: 1px solid rgba(11,17,22,.13); background: rgba(255,255,255,.76); box-shadow: 0 13px 35px rgba(10,20,27,.055); transition: transform 220ms ease,box-shadow 220ms ease,border-color 220ms ease; }
.tool-card:hover { transform: translateY(-6px); border-color: rgba(141,113,67,.42); box-shadow: 0 25px 55px rgba(10,20,27,.13); }
.tool-card[hidden] { display: none; }
.tool-card__media { position: relative; height: 212px; margin: 0; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,.08); background: #0b1217; }
.tool-card__media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 62%, rgba(5,10,13,.28)); pointer-events: none; }
.tool-card__media img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; filter: saturate(.88) contrast(1.02); transition: transform 450ms ease,filter 450ms ease; }
.tool-card:hover .tool-card__media img { transform: scale(1.025); filter: saturate(1) contrast(1.04); }
.tool-card__flag { position: absolute; z-index: 2; top: 14px; left: 14px; padding: 7px 10px; background: var(--brass-light); color: var(--ink); font-size: 8px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.tool-card__body { padding: 27px 28px 29px; }
.tool-card__meta { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.tool-card__meta > span { color: var(--brass-dark); font-size: 9px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.tool-card__meta > div { display: flex; gap: 5px; }
.tool-card__meta b { padding: 4px 6px; border: 1px solid rgba(11,17,22,.15); color: #66747c; font-size: 7px; letter-spacing: .08em; }
.tool-card h3 { margin-top: 19px; font-size: 32px; letter-spacing: -.025em; }
.tool-card p { min-height: 76px; margin-top: 13px; color: #5d696f; font-size: 13px; line-height: 1.62; }
.tool-card__link { display: flex; justify-content: space-between; align-items: center; margin-top: 25px; padding-top: 17px; border-top: 1px solid var(--line); color: #34444d; font-size: 9px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.tool-card__link i { color: var(--brass-dark); font-family: var(--sans); font-size: 18px; font-style: normal; transition: transform 180ms ease; }
.tool-card:hover .tool-card__link i { transform: translateX(4px); }
.tool-card--flagship { grid-column: span 2; display: grid; grid-template-columns: minmax(0,1.18fr) minmax(310px,.82fr); background: var(--navy); color: var(--white); }
.tool-card--flagship .tool-card__media { height: 100%; min-height: 394px; border: 0; border-right: 1px solid rgba(255,255,255,.1); }
.tool-card--flagship .tool-card__meta b { border-color: rgba(255,255,255,.18); color: rgba(255,255,255,.63); }
.tool-card--flagship .tool-card__meta > span { color: var(--brass-light); }
.tool-card--flagship p { color: rgba(255,255,255,.62); }
.tool-card--flagship .tool-card__link { border-color: rgba(255,255,255,.12); color: rgba(255,255,255,.76); }
.tool-card--flagship .tool-card__link i { color: var(--brass-light); }
.library-empty { padding: 90px 24px 20px; text-align: center; }
.library-empty > span { color: var(--brass-dark); font-size: 9px; font-weight: 850; letter-spacing: .18em; }
.library-empty h3 { margin-top: 12px; font-size: 38px; }
.library-empty p { margin: 14px 0 26px; color: #6d777c; }

.library-method { position: relative; padding: 105px 0; }
.library-method__inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(310px,.7fr) minmax(620px,1.3fr); align-items: center; gap: 90px; }
.library-method h2 { font-size: clamp(46px,4.8vw,68px); letter-spacing: -.04em; }
.method-steps { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid rgba(255,255,255,.13); }
.method-steps > div { min-height: 230px; padding: 26px 22px; }
.method-steps > div + div { border-left: 1px solid rgba(255,255,255,.13); }
.method-steps span { color: var(--brass-light); font-family: var(--mono); font-size: 9px; }
.method-steps strong { display: block; margin-top: 54px; font-family: var(--display); font-size: 25px; font-weight: 400; }
.method-steps p { margin-top: 11px; color: rgba(255,255,255,.52); font-size: 12px; line-height: 1.6; }

.library-closing { padding: 105px 0; }
.library-closing__inner { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: end; gap: 80px; }
.library-closing h2 { max-width: 820px; font-size: clamp(44px,4.6vw,66px); letter-spacing: -.04em; }
.library-closing p { max-width: 670px; margin-top: 22px; color: rgba(255,255,255,.58); font-size: 17px; line-height: 1.65; }
.library-closing__actions { display: flex; gap: 12px; }

@media (max-width: 1100px) {
  .library-hero__inner { grid-template-columns: minmax(380px,.9fr) minmax(400px,1.1fr); gap: 40px; }
  .tool-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tool-card--flagship { grid-column: span 2; }
  .library-controls { grid-template-columns: 1fr auto; }
  .library-filters { grid-row: 2; grid-column: 1 / -1; }
  .library-search { border-right: 0; }
  .library-method__inner { grid-template-columns: 1fr; gap: 55px; }
}

@media (max-width: 800px) {
  .library-hero { padding-top: 70px; }
  .library-hero__inner { grid-template-columns: 1fr; min-height: 0; padding-bottom: 55px; }
  .library-hero__system { min-height: 390px; }
  .library-stats { grid-template-columns: repeat(2,1fr); }
  .library-stats > div:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,255,255,.1); }
  .library-stats > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.1); }
  .library-catalog { padding: 85px 0 95px; }
  .library-heading { grid-template-columns: 1fr; gap: 25px; }
  .library-controls { margin-top: 42px; }
  .tool-card--flagship { display: block; }
  .tool-card--flagship .tool-card__media { height: 270px; min-height: 0; border-right: 0; }
  .method-steps { grid-template-columns: repeat(2,1fr); }
  .method-steps > div:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,255,255,.13); }
  .method-steps > div:nth-child(4) { border-top: 1px solid rgba(255,255,255,.13); }
  .library-closing__inner { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 600px) {
  .library-hero__copy h1 { font-size: clamp(44px,13vw,56px); }
  .library-hero__system { min-height: 330px; margin-inline: -12px; }
  .library-core { width: 180px; }
  .library-orbit--outer { width: 320px; }
  .library-orbit--inner { width: 240px; }
  .library-node { font-size: 7px; padding: 6px 8px; }
  .library-stats > div { min-height: 84px; padding: 0 15px; gap: 10px; }
  .library-stats strong { font-size: 28px; }
  .library-stats span { font-size: 8px; }
  .library-controls { display: block; padding: 10px; }
  .library-search { min-height: 52px; border-bottom: 1px solid var(--line); }
  .library-filters { display: grid; grid-template-columns: repeat(3,1fr); margin-top: 10px; }
  .library-filters button { min-height: 48px; padding: 0 7px; font-size: 8px; }
  .library-count { display: block; padding: 10px 0 2px; }
  .tool-grid { grid-template-columns: 1fr; }
  .tool-card--flagship { grid-column: auto; }
  .tool-card__media, .tool-card--flagship .tool-card__media { height: 220px; }
  .tool-card p { min-height: 0; }
  .method-steps { grid-template-columns: 1fr; }
  .method-steps > div { min-height: 170px; }
  .method-steps > div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.13); }
  .method-steps strong { margin-top: 30px; }
  .library-closing__actions { align-items: stretch; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .tool-card, .tool-card__media img, .tool-card__link i { transition: none; }
}

.tool-card__media--placeholder{display:grid;place-items:center;background:linear-gradient(135deg,#132630,#0b1116)!important}
.tool-card__placeholder{display:grid;place-items:center;gap:7px;width:100%;height:100%;min-height:190px;border:1px dashed rgba(213,194,154,.42);color:#d5c29a;text-align:center}
.tool-card__placeholder strong{font-size:11px;letter-spacing:.18em}
.tool-card__placeholder small{color:rgba(255,255,255,.44);font-size:9px;letter-spacing:.08em;text-transform:uppercase}