/* Public photonics pages. */
:root {
    --photon-ink: #173047;
    --photon-muted: #4f6576;
    --photon-teal: #007a82;
    --photon-line: #d9e3e9;
    --photon-paper: #f8fafb;
}

.photon-site {
    margin: 0;
    background: var(--photon-paper);
    color: var(--photon-ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
.photon-site *, .photon-site *::before, .photon-site *::after { box-sizing: border-box; }
.photon-site a { color: var(--photon-teal); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.photon-site a:hover { color: var(--photon-ink); }
.photon-site a:focus-visible { outline: 3px solid #c06d23; outline-offset: 5px; border-radius: 2px; }
.photon-site h1, .photon-site h2, .photon-site h3, .photon-site p { margin-top: 0; }
.photon-site h1, .photon-site h2 { font-weight: 600; letter-spacing: -0.035em; }
.photon-site h1 { font-size: clamp(2.5rem, 4.3vw, 3.9rem); line-height: 1.12; margin-bottom: 24px; }
.photon-site h2 { font-size: clamp(1.65rem, 2.5vw, 2.15rem); line-height: 1.24; margin-bottom: 20px; }
.photon-site p { margin-bottom: 20px; }
.photon-site section, .photon-site footer { scroll-margin-top: 24px; }
.photon-container { width: min(1160px, 100%); padding-inline: 28px; margin-inline: auto; }
.photon-eyebrow { color: var(--photon-teal); font-size: 0.75rem; line-height: 1.4; font-weight: 650; letter-spacing: 0.13em; text-transform: uppercase; margin-bottom: 18px; }
.photon-lead { color: var(--photon-muted); font-size: 1.14rem; line-height: 1.7; }
.photon-skip { position: absolute; top: 10px; left: 18px; z-index: 100; padding: 8px 14px; background: white; transform: translateY(-200%); }
.photon-skip:focus { transform: translateY(0); }


.photon-hero { display: grid; grid-template-columns: 1.04fr 1fr; gap: 58px; align-items: center; padding-block: 86px 88px; }
.photon-hero-copy { min-width: 0; }
.photon-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px 24px; margin-top: 28px; }
.photon-button { display: inline-flex; gap: 18px; align-items: center; justify-content: center; border: 1px solid var(--photon-teal); border-radius: 4px; padding: 12px 18px; background: var(--photon-teal); color: white !important; font-size: 0.9rem; font-weight: 600; line-height: 1.5; text-decoration: none; }
.photon-button:hover { background: #00636b; border-color: #00636b; }
.photon-text-link { display: inline-block; font-size: 0.94rem; font-weight: 600; }
.photon-status { display: flex; gap: 8px; align-items: center; color: var(--photon-muted); font-size: 0.78rem; margin-block: 22px 0 !important; }
.photon-status > span { width: 7px; height: 7px; border-radius: 50%; background: #b77a2e; flex-shrink: 0; }

.photon-schematic { padding: 28px; background: var(--photon-ink); color: #edf6f8; border-radius: 8px; }
.photon-schematic-label { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: #b6d6df; margin-bottom: 20px !important; }
.photon-source { display: flex; gap: 18px; align-items: center; border: 1px solid #496d80; border-radius: 5px; padding: 10px 16px; }
.photon-source-mark { color: #82d6d0; flex-shrink: 0; width: 68px; height: 64px; }
.photon-source strong { display: block; font-size: 1rem; font-weight: 600; }
.photon-source span { display: block; color: #bed1dc; font-size: 0.78rem; }
.photon-carriers { display: grid; gap: 5px; margin: 22px 10px; }
.photon-carriers i { height: 2px; background: #82d6d0; opacity: 0.9; }
.photon-carriers i:nth-child(2) { background: #f5b66c; margin-left: 12%; }
.photon-carriers i:nth-child(3) { background: #a9b6fa; margin-right: 12%; }
.photon-carriers i:nth-child(4) { background: #f3a1a8; margin-left: 24%; }
.photon-flow { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 13px; }
.photon-flow li { position: relative; border: 1px solid #496d80; border-radius: 4px; padding: 12px 8px; min-width: 0; }
.photon-flow li:not(:last-child)::after { content: "→"; position: absolute; right: -12px; top: 43%; color: #82d6d0; font-size: 12px; }
.photon-flow .photon-routing { border-color: #82d6d0; background: #23485a; }
.photon-step { display: block; color: #bed1dc; font-size: 0.65rem; margin-bottom: 9px; }
.photon-flow strong { display: block; font-size: 0.78rem; font-weight: 600; letter-spacing: -0.02em; }
.photon-flow li > span:last-child { display: block; color: #bed1dc; font-size: 0.67rem; margin-top: 3px; }
.photon-control { margin-top: 18px; padding-top: 15px; border-top: 1px solid #496d80; display: flex; flex-direction: column; gap: 2px; }
.photon-control strong { font-size: 0.8rem; font-weight: 600; }
.photon-control span, .photon-schematic-note { font-size: 0.73rem; color: #bed1dc; }
.photon-schematic-note { margin-block: 16px 0 !important; line-height: 1.6; }

.photon-section { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: 80px; border-top: 1px solid var(--photon-line); padding-block: 62px; }
.photon-section-heading h2 { max-width: 18ch; }
.photon-section-content { color: var(--photon-muted); }
.photon-section-content > :last-child { margin-bottom: 0; }
.photon-details { margin: 28px 0 0; }
.photon-details > div { display: grid; grid-template-columns: 92px 1fr; gap: 16px; padding-block: 15px; border-top: 1px solid var(--photon-line); }
.photon-details dt { color: var(--photon-ink); font-size: 0.87rem; font-weight: 650; }
.photon-details dd { font-size: 0.9rem; margin: 0; }
.photon-direction { padding: 36px 40px; background: #eaf1f3; border-radius: 5px; margin-block: 0 72px; max-width: 100%; }
.photon-direction p:not(.photon-eyebrow) { max-width: 70ch; color: var(--photon-muted); }
.photon-direction .photon-eyebrow { margin-bottom: 12px; }
.photon-direction h2 { margin-bottom: 14px; }
.photon-page-intro { max-width: 820px; padding-block: 76px 46px; }
.photon-page-intro h1 { max-width: 20ch; }
.photon-approach { padding-left: 22px; margin: 0 0 24px; }
.photon-approach li { padding-left: 8px; margin-bottom: 18px; }
.photon-approach strong { color: var(--photon-ink); }
.photon-founder { display: grid; grid-template-columns: 112px minmax(0, 1fr); gap: 30px; align-items: start; border-top: 1px solid var(--photon-line); padding-block: 56px 70px; }
.photon-founder img { display: block; width: 112px; height: 112px; border-radius: 50%; object-fit: cover; }
.photon-founder h2 { margin-bottom: 12px; }
.photon-founder p:not(.photon-eyebrow) { max-width: 75ch; color: var(--photon-muted); }
.photon-founder .photon-eyebrow { margin-bottom: 10px; }
.photon-founder-links { display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 0.9rem; }

.photon-footer { border-top: 1px solid var(--photon-line); background: #edf3f5; }
.photon-contact { display: flex; align-items: center; justify-content: space-between; gap: 38px; padding-block: 48px; }
.photon-contact p:not(.photon-eyebrow) { max-width: 62ch; margin-bottom: 0; color: var(--photon-muted); }
.photon-contact .photon-eyebrow { margin-bottom: 12px; }
.photon-contact h2 { margin-bottom: 12px; }
.photon-contact .photon-button { flex-shrink: 0; }
.photon-footer-bottom { padding-block: 22px 26px; border-top: 1px solid var(--photon-line); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.photon-footer-bottom p { font-size: 0.75rem; color: var(--photon-muted); margin: 0; }
.photon-footer-bottom nav { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.photon-footer-bottom a { color: var(--photon-muted); font-size: 0.75rem; }

@media (max-width: 960px) {
    .photon-hero { gap: 32px; padding-block: 60px; }
    .photon-schematic { padding: 22px; }
    .photon-section { gap: 46px; }
}
@media (max-width: 900px) {
    .photon-hero { grid-template-columns: minmax(0, 1fr); gap: 38px; }
    .photon-hero-copy { max-width: 650px; }
    .photon-schematic { max-width: 560px; }
}
@media (max-width: 760px) {
    .photon-container { padding-inline: 22px; }
    .photon-site h1 { font-size: clamp(2.3rem, 7.5vw, 3.6rem); }
    .photon-hero { grid-template-columns: minmax(0, 1fr); padding-block: 44px 48px; gap: 38px; }
    .photon-hero-copy { max-width: 620px; }
    .photon-schematic { max-width: 560px; }
    .photon-section { grid-template-columns: minmax(0, 1fr); gap: 10px; padding-block: 40px; }
    .photon-section-heading h2 { max-width: 26ch; }
    .photon-lead { font-size: 1.04rem; }
    .photon-direction { padding: 28px; margin-bottom: 44px; }
    .photon-page-intro { padding-block: 44px 28px; }
    .photon-founder { padding-block: 40px; grid-template-columns: 84px minmax(0, 1fr); gap: 20px; }
    .photon-founder img { width: 84px; height: 84px; }
    .photon-contact { align-items: flex-start; flex-direction: column; gap: 24px; padding-block: 36px; }
}
@media (max-width: 380px) {
    .photon-container { padding-inline: 17px; }
    .photon-schematic { padding: 18px; }
    .photon-source { padding: 10px; gap: 10px; }
    .photon-source-mark { width: 50px; height: 52px; }
    .photon-source strong { font-size: 0.88rem; }
    .photon-flow { grid-template-columns: minmax(0, 1fr); gap: 14px; }
    .photon-flow li { display: grid; grid-template-columns: 25px minmax(0, 1fr); align-items: center; column-gap: 8px; padding: 12px; }
    .photon-step { grid-row: 1 / 3; margin-bottom: 0; }
    .photon-flow strong { font-size: 0.84rem; }
    .photon-flow li > span:last-child { grid-column: 2; font-size: 0.75rem; }
    .photon-flow li:not(:last-child)::after { content: "↓"; right: calc(50% - 4px); top: auto; bottom: -14px; }
    .photon-details > div { grid-template-columns: 68px 1fr; gap: 12px; }
    .photon-founder { grid-template-columns: minmax(0, 1fr); }
}