.arf-page {
  --arf-ink: #252d70;
  --arf-muted: #667087;
  --arf-brand: #2f3e9e;
  --arf-accent: #aeb8ff;
  --arf-line: #e3e6f1;
  color: var(--arf-ink);
  background: #f8f9fc;
}

.arf-hero {
  position: relative;
  overflow: hidden;
  background: #20285f;
  color: #fff;
}

.arf-hero::before,
.arf-hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.arf-hero::before {
  width: 660px;
  height: 660px;
  top: -380px;
  right: 2%;
  border: 1px solid rgba(174, 184, 255, .17);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(174, 184, 255, .035), 0 0 0 140px rgba(174, 184, 255, .025);
}

.arf-hero::after {
  inset: 0;
  opacity: .12;
  background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(90deg, transparent 15%, #000 100%);
}

.arf-hero-inner,
.arf-hero-bottom,
.arf-content {
  width: min(1160px, calc(100% - 64px));
  margin: 0 auto;
}

.arf-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr .92fr;
  align-items: center;
  gap: 50px;
  min-height: 610px;
  padding: 54px 0 42px;
}

.arf-hero-copy {padding: 10px 0 20px;}
.arf-back-link {display: inline-block; margin-bottom: 45px; color: #c4d5cf; font-size: 13px; text-decoration: none;}
.arf-back-link:hover {color: var(--arf-accent);}
.arf-eyebrow,
.arf-kicker {display: block; color: #62867a; font-size: 11px; font-weight: 700; letter-spacing: .16em;}
.arf-eyebrow {color: var(--arf-accent);}
.arf-hero h1 {margin: 18px 0; color: #fff; font-size: clamp(48px, 6vw, 76px); font-weight: 600; letter-spacing: -.055em; line-height: .98; text-align: left;}
.arf-hero h1 span {color: var(--arf-accent);}
.arf-lead {max-width: 490px; color: #bdceca; font-size: 16px; line-height: 1.8;}
.arf-frequency {display: inline-flex; align-items: center; gap: 10px; margin-top: 23px; padding: 9px 13px; border: 1px solid rgba(174,184,255,.32); border-radius: 5px; color: #e6e9ff; font-size: 13px; letter-spacing: .03em;}
.arf-status-dot,
.arf-guide-badge i {width: 7px; height: 7px; border-radius: 50%; background: var(--arf-accent); box-shadow: 0 0 12px rgba(174,184,255,.75);}
.arf-hero-actions {display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px;}
.arf-button {display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 47px; padding: 0 19px; border-radius: 5px; font-size: 13px; font-weight: 600; text-decoration: none; transition: transform .2s, background .2s;}
.arf-button:hover {transform: translateY(-2px);}
.arf-button-primary {background: var(--arf-brand); color: #fff;}
.arf-button-primary:hover {background: #3b4cb5;}
.arf-button-quiet {border: 1px solid rgba(255,255,255,.27); color: #fff;}
.arf-button-quiet:hover {background: rgba(255,255,255,.08);}
.arf-hero-tags {display: flex; flex-wrap: wrap; gap: 8px; margin-top: 38px;}
.arf-hero-tags span {padding: 7px 10px; border: 1px solid rgba(255,255,255,.16); border-radius: 3px; color: #b6c8c1; font-size: 10px; letter-spacing: .08em;}

.arf-product-visual {position: relative; min-height: 450px; display: flex; align-items: center; justify-content: center; border-radius: 12px; background: radial-gradient(ellipse at center, rgba(243,244,250,.14), rgba(243,244,250,0) 70%);}
.arf-visual-glow {position: absolute; width: 390px; height: 390px; border-radius: 50%; background: rgba(232,234,245,.2); filter: blur(52px);}
.arf-visual-label {position: absolute; top: 8px; right: 4px; z-index: 1; color: #9bb6ab; font-size: 10px; letter-spacing: .17em;}
.arf-product-visual > img {position: relative; z-index: 1; display: block; width: min(100%, 410px); height: 390px; object-fit: contain; border-radius: 4px; background: transparent; filter: drop-shadow(0 24px 28px rgba(5,10,35,.3));}
.arf-image-caption {position: absolute; z-index: 2; left: 0; bottom: 55px; display: flex; align-items: center; gap: 11px; padding: 12px 15px; border: 1px solid rgba(255,255,255,.16); border-radius: 6px; background: rgba(32,40,95,.9); backdrop-filter: blur(8px);}
.arf-caption-mark {display: grid; place-items: center; width: 34px; height: 34px; border-radius: 4px; background: var(--arf-accent); color: #252d70; font-size: 11px; font-weight: 700;}
.arf-image-caption strong,.arf-image-caption small {display: block;}
.arf-image-caption strong {font-size: 12px;}
.arf-image-caption small {margin-top: 4px; color: #a9bdb5; font-size: 10px;}
.arf-thumbnails {position: absolute; z-index: 2; right: 0; bottom: 55px; width: auto; gap: 7px;}
.arf-thumbnails img {width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.28); border-radius: 4px; background: #f0f1f6;}
.arf-thumbnails img.active {border: 2px solid var(--arf-accent);}
.arf-hero-bottom {position: relative; z-index: 1; display: flex; justify-content: space-between; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.14); color: #92a9a1; font-size: 9px; letter-spacing: .13em;}

.arf-proof {display: grid; grid-template-columns: repeat(4, 1fr); width: min(1160px, calc(100% - 64px)); margin: -1px auto 0; padding: 25px 0; border-bottom: 1px solid var(--arf-line);}
.arf-proof > div {display: flex; align-items: center; gap: 13px; padding: 4px 18px; border-right: 1px solid var(--arf-line);}
.arf-proof > div:first-child {padding-left: 0;}
.arf-proof > div:last-child {border: 0;}
.arf-proof-icon {color: var(--arf-brand); font-size: 24px;}
.arf-proof strong,.arf-proof small {display: block;}
.arf-proof strong {font-size: 13px;}
.arf-proof small {margin-top: 4px; color: #7d8b86; font-size: 10px;}

.arf-content {padding: 20px 0 80px;}
.arf-section {padding: 90px 0; border-bottom: 1px solid var(--arf-line);}
.arf-section-heading h2,
.arf-spec-intro h2,
.arf-guide-header h2,
.arf-contact-band h2 {margin: 13px 0; color: var(--arf-ink); font-size: clamp(30px, 4vw, 43px); font-weight: 500; letter-spacing: -.045em; line-height: 1.12;}
.arf-section-heading > p,
.arf-spec-intro > p {max-width: 380px; color: var(--arf-muted); font-size: 14px; line-height: 1.75;}
.arf-brands {display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; column-gap: 60px;}
.arf-brands .arf-section-heading h2 {margin-bottom: 14px;}
.arf-brand-list {display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;}
.arf-brand {display: grid; place-items: center; min-height: 94px; padding: 16px; border: 1px solid var(--arf-line); border-radius: 6px; background: #fff;}
.arf-brand img {display: block; max-width: 100%; max-height: 49px; object-fit: contain; filter: grayscale(1); opacity: .7;}
.arf-brand-text {position: relative; align-content: center; justify-items: start; padding-left: 20px; color: #202b29; font-family: Arial,sans-serif; line-height: .9;}
.arf-brand-text span {font-size: 9px; letter-spacing: .12em;}
.arf-brand-text strong {font-family: Arial,sans-serif; font-size: 16px; letter-spacing: -.08em;}
.arf-brand-text i {position: absolute; right: 14px; bottom: 17px; color: #111; font-size: 23px; font-style: normal;}
.arf-brand-note {grid-column: 2; margin-top: 13px; color: #84918c; font-size: 11px;}

.arf-overview {display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: start;}
.arf-overview-copy {padding-top: 23px;}
.arf-overview-copy p {margin: 0 0 15px; color: var(--arf-muted); font-size: 14px; line-height: 1.85;}
.arf-text-link {display: inline-flex; gap: 18px; margin-top: 12px; color: var(--arf-brand); font-size: 13px; font-weight: 700; text-decoration: none;}
.arf-text-link:hover {color: #20285f;}

.arf-use-cases {display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start;}
.arf-use-grid {display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;}
.arf-use-grid article {min-height: 205px; padding: 21px 17px; border: 1px solid var(--arf-line); border-radius: 5px; background: #fff;}
.arf-use-number {color: var(--arf-brand); font-size: 11px; font-weight: 700; letter-spacing: .12em;}
.arf-use-grid h3 {margin: 43px 0 8px; font-size: 14px;}
.arf-use-grid p {color: var(--arf-muted); font-size: 11px; line-height: 1.7;}

.arf-spec-section {display: grid; grid-template-columns: .65fr 1.35fr; gap: 65px; align-items: start;}
.arf-spec-intro h2 {margin-bottom: 14px;}
.arf-spec-list {margin: 0;}
.arf-spec-list > div {display: grid; grid-template-columns: .8fr 1.2fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--arf-line);}
.arf-spec-list > div:first-child {padding-top: 4px;}
.arf-spec-list dt {color: #77857f; font-size: 12px;}
.arf-spec-list dd {margin: 0; color: #1d3530; font-size: 13px; font-weight: 600;}
.arf-spec-note {grid-column: 2; margin: -47px 0 0; color: #85918d; font-size: 10px;}

.arf-guide-section {padding: 72px 0 78px;}
.arf-guide-header {display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 35px;}
.arf-guide-header h2 {margin-bottom: 0;}
.arf-guide-badge {display: inline-flex; align-items: center; gap: 9px; margin-bottom: 7px; padding: 9px 12px; border: 1px solid #dce0f2; border-radius: 99px; color: var(--arf-brand); font-size: 10px;}
.arf-guide-badge i {width: 6px; height: 6px; background: #6675d1; box-shadow: none;}
.arf-guide-grid {display: grid; grid-template-columns: .8fr 1.2fr; gap: 52px; align-items: center;}
.arf-guide-copy {padding: 8px 0;}
.arf-guide-intro {margin: 0 0 26px; color: var(--arf-muted); font-size: 14px; line-height: 1.8;}
.arf-guide-facts {border-top: 1px solid var(--arf-line);}
.arf-guide-facts > div {display: flex; align-items: center; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--arf-line);}
.arf-guide-facts > div > span {color: var(--arf-brand); font-size: 10px; font-weight: 700;}
.arf-guide-facts p {margin: 0;}
.arf-guide-facts strong,.arf-guide-facts small {display: block;}
.arf-guide-facts strong {font-size: 12px;}
.arf-guide-facts small {margin-top: 4px; color: #7b8983; font-size: 10px;}
.arf-guide-note {display: flex; gap: 11px; margin-top: 22px; padding: 14px; border: 1px solid #e0e4f5; border-radius: 5px; background: #f2f4fc;}
.arf-guide-note > span {display: grid; flex: 0 0 19px; place-items: center; width: 19px; height: 19px; border-radius: 50%; background: #e1e5fa; color: var(--arf-brand); font-size: 11px; font-weight: 700;}
.arf-guide-note p {margin: 0; color: #626d89; font-size: 10px; line-height: 1.65;}
.arf-guide-note strong {color: #303b7b; font-size: 11px;}
.arf-download-link {display: flex; align-items: center; gap: 12px; margin-top: 14px; padding: 13px 14px; border: 1px solid #cbd1f0; border-radius: 5px; background: #fff; color: #303b7b; text-decoration: none; transition: border-color .2s ease, background .2s ease, transform .2s ease;}
.arf-download-link:hover {border-color: var(--arf-brand); background: #f5f6fe; transform: translateY(-1px);}
.arf-download-icon {display: grid; flex: 0 0 30px; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--arf-brand); color: #fff; font-size: 18px; font-weight: 500; line-height: 1;}
.arf-download-link span:nth-child(2) {min-width: 0;}
.arf-download-link strong,.arf-download-link small {display: block;}
.arf-download-link strong {font-size: 11px;}
.arf-download-link small {margin-top: 3px; color: #768097; font-size: 9px;}
.arf-download-link b {margin-left: auto; color: var(--arf-brand); font-size: 10px; white-space: nowrap;}
.arf-software-card {overflow: hidden; border: 1px solid #dfe4e0; border-radius: 8px; background: #fff; box-shadow: 0 20px 55px rgba(20,50,42,.1); color: #404a47; font-family: Arial,sans-serif;}
.arf-window-bar {display: flex; align-items: center; gap: 8px; height: 42px; padding: 0 13px; border-bottom: 1px solid #e8ebe9; background: #f4f5f4; color: #737d79; font-size: 11px;}
.arf-window-logo {display: grid; place-items: center; width: 18px; height: 18px; border-radius: 4px; background: var(--arf-brand); color: #fff; font-size: 11px; font-weight: 700;}
.arf-window-bar > div {display: flex; gap: 5px; margin-left: auto;}
.arf-window-bar > div i {width: 7px; height: 7px; border-radius: 50%; background: #c3c9c5;}
.arf-window-tab {height: 31px; padding: 8px 12px; border-bottom: 1px solid #dfe3e0; color: #3f4845; font-size: 11px;}
.arf-window-content {display: grid; grid-template-columns: 1fr 230px; gap: 10px; min-height: 270px; padding: 13px;}
.arf-result-pane,.arf-config-pane {border: 1px solid #dfe3e0; border-radius: 4px; background: #fbfcfb;}
.arf-pane-title {padding: 8px 9px; border-bottom: 1px solid #e6e9e7; font-size: 11px;}
.arf-timer-row {display: flex; align-items: center; justify-content: space-between; padding: 9px; color: #414b47; font-size: 10px;}
.arf-timer-row > span {width: 45px; height: 17px; border: 1px solid #d5dbd7; border-radius: 2px; background: #fff;}
.arf-timer-row b {font-weight: 400;}
.arf-timer-row button,.arf-config-actions button {padding: 5px 10px; border: 1px solid #d3d9d5; border-radius: 3px; background: #fff; color: #444e4a; font-size: 10px;}
.arf-result-empty {display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 187px; border-top: 1px solid #e6e9e7; color: #adb8b2;}
.arf-result-empty > span {margin-bottom: 7px; color: #8c97df; font-size: 24px;}
.arf-result-empty strong {color: #7d8b84; font-size: 11px; font-weight: 500;}
.arf-result-empty small {margin-top: 5px; font-size: 9px;}
.arf-config-pane {position: relative; padding-bottom: 12px;}
.arf-config-pane label {display: flex; align-items: center; justify-content: space-between; margin: 10px 9px 0; color: #64706a; font-size: 9px;}
.arf-config-pane label span {display: inline-block; min-width: 77px; padding: 5px 7px; border: 1px solid #d7ddd9; border-radius: 2px; background: #fff; color: #414b46; font-size: 10px;}
.arf-config-pane label:first-of-type span {color: #9aa49f;}
.arf-config-actions {display: flex; gap: 7px; margin: 12px 9px;}
.arf-config-actions button {flex: 1; padding: 8px 5px;}
.arf-config-actions button:first-child {border-color: #c7cdee; background: #f3f4fc;}
.arf-connection-state {position: absolute; right: 10px; bottom: 10px; color: #9aa49f; font-size: 8px;}
.arf-connection-state i {display: inline-block; width: 5px; height: 5px; margin-right: 3px; border-radius: 50%; background: #c5ccc7;}
.arf-window-caption {display: flex; justify-content: space-between; padding: 10px 13px; border-top: 1px solid #e6e9e7; color: #96a29b; font-size: 8px; letter-spacing: .1em;}

.arf-contact-band {display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 38px 42px; border-radius: 7px; background: #2f3e9e;}
.arf-contact-band .arf-kicker {color: #cbd0ff;}
.arf-contact-band h2 {margin-bottom: 0; color: #fff; font-size: clamp(25px, 3vw, 35px);}
.arf-button-light {background: #fff; color: var(--arf-brand);}
.arf-button-light:hover {background: #eef0ff;}

@media (max-width: 900px) {
  .arf-hero-inner {grid-template-columns: 1fr .85fr; gap: 25px; min-height: 550px;}
  .arf-product-visual {min-height: 400px;}
  .arf-product-visual > img {height: 340px;}
  .arf-image-caption {bottom: 48px;}
  .arf-thumbnails {bottom: 48px;}
  .arf-brands,.arf-overview,.arf-use-cases,.arf-spec-section,.arf-guide-grid {gap: 38px;}
  .arf-use-grid {grid-template-columns: 1fr;}
  .arf-use-grid article {min-height: 0;}
  .arf-use-grid h3 {margin-top: 22px;}
  .arf-window-content {grid-template-columns: 1fr 190px;}
}

@media (max-width: 650px) {
  .arf-hero-inner,.arf-hero-bottom,.arf-content,.arf-proof {width: min(100% - 36px, 480px);}
  .arf-hero-inner {grid-template-columns: 1fr; gap: 12px; padding: 28px 0 20px;}
  .arf-hero-copy {padding: 0;}
  .arf-back-link {margin-bottom: 28px;}
  .arf-hero h1 {font-size: 54px;}
  .arf-lead {font-size: 14px;}
  .arf-hero-tags {margin-top: 25px;}
  .arf-product-visual {min-height: 340px; margin-top: 5px;}
  .arf-product-visual > img {width: min(82%, 330px); height: 300px;}
  .arf-visual-glow {width: 280px; height: 280px;}
  .arf-image-caption {left: 0; bottom: 10px;}
  .arf-thumbnails {right: 0; bottom: 10px;}
  .arf-hero-bottom {font-size: 8px;}
  .arf-proof {grid-template-columns: 1fr 1fr; gap: 15px 0; padding: 20px 0;}
  .arf-proof > div {padding: 4px 10px;}
  .arf-proof > div:nth-child(2) {border-right: 0;}
  .arf-proof > div:first-child {padding-left: 10px;}
  .arf-section {padding: 62px 0;}
  .arf-brands,.arf-overview,.arf-use-cases,.arf-spec-section,.arf-guide-grid {grid-template-columns: 1fr; gap: 25px;}
  .arf-brand-list {grid-template-columns: repeat(2, 1fr);}
  .arf-brand-note {grid-column: 1;}
  .arf-overview-copy {padding-top: 0;}
  .arf-use-grid {grid-template-columns: repeat(3, 1fr); gap: 8px;}
  .arf-use-grid article {padding: 15px 11px;}
  .arf-use-grid h3 {margin-top: 24px; font-size: 12px;}
  .arf-use-grid p {font-size: 10px;}
  .arf-spec-list > div {grid-template-columns: .75fr 1.25fr; gap: 10px;}
  .arf-spec-note {grid-column: 1; margin: -11px 0 0;}
  .arf-guide-header {align-items: start; flex-direction: column; margin-bottom: 25px;}
  .arf-guide-grid {gap: 27px;}
  .arf-download-link {gap: 10px; padding: 12px;}
  .arf-download-link b {display: none;}
  .arf-window-content {grid-template-columns: 1fr 135px; gap: 6px; min-height: 220px; padding: 8px;}
  .arf-result-empty {min-height: 140px;}
  .arf-config-pane label {margin: 8px 6px 0;}
  .arf-config-pane label span {min-width: 53px; padding: 4px;}
  .arf-config-actions {gap: 4px; margin: 10px 6px;}
  .arf-config-actions button {font-size: 9px;}
  .arf-timer-row {gap: 4px; padding: 7px 5px;}
  .arf-timer-row > span {width: 25px;}
  .arf-contact-band {align-items: flex-start; flex-direction: column; padding: 28px 24px;}
}

@media (max-width: 390px) {
  .arf-use-grid {grid-template-columns: 1fr;}
  .arf-use-grid article {min-height: 0;}
  .arf-use-grid h3 {margin-top: 15px;}
  .arf-window-content {grid-template-columns: 1fr 115px;}
}