/* NexxGenn Power website. Brand standards from Website Build Specification v3.0. */
:root {
  --ink: #14232B;
  --slate: #3A4A55;
  --muted: #6E7885;
  --rule: #C9D1DA;
  --teal: #12A6C7;
  --deep: #0A6D85;
  --light: #EFF3F5;
  --white: #FFFFFF;
  --nav-h: 72px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Lato", "Helvetica Neue", Arial, sans-serif;
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--slate);
  background: var(--white);
  padding-top: var(--nav-h);
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--teal); text-decoration: none; }
a:hover, a:focus { color: var(--deep); text-decoration: underline; }
h1, h2, h3, h4 { font-family: "Lato", "Helvetica Neue", Arial, sans-serif; font-weight: 700; color: var(--ink); line-height: 1.15; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4.2vw, 3.1rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section.tight { padding-top: 32px; }
.label {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--deep);
  margin: 0 0 14px;
}
.lede { font-size: 1.15rem; color: var(--slate); max-width: 62ch; }
.subhead { font-size: 1.25rem; color: var(--deep); font-weight: 700; margin: -0.2em 0 1.2em; }
.prose { max-width: 74ch; }
.btn {
  display: inline-block;
  background: var(--teal);
  color: var(--white);
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 999px;
  border: 0;
  font-size: 1rem;
  line-height: 1.2;
  cursor: pointer;
  transition: background .15s ease;
}
.btn:hover, .btn:focus { background: var(--deep); color: var(--white); text-decoration: none; }
.link-arrow { font-weight: 700; white-space: nowrap; }
.link-arrow::after { content: "\2192"; margin-left: 6px; }
.text-link { display: inline-block; margin-top: 24px; font-weight: 700; }
.text-link::after { content: "\2192"; margin-left: 6px; }

/* Navigation */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid var(--rule);
}
.nav .wrap { display: flex; align-items: center; height: 100%; gap: 24px; }
.nav .logo { display: flex; align-items: center; margin-right: auto; }
.nav .logo img { height: 40px; width: auto; display: block; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 22px; align-items: center; }
.nav ul a { color: var(--ink); font-weight: 700; font-size: 0.95rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav ul a:hover, .nav ul a:focus { color: var(--deep); text-decoration: none; }
.nav ul a[aria-current="page"] { border-bottom-color: var(--teal); }
.nav .btn { padding: 10px 20px; font-size: 0.95rem; }
.nav-toggle {
  display: none; background: none; border: 1px solid var(--rule); border-radius: 8px;
  width: 44px; height: 40px; cursor: pointer; padding: 0;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--ink); margin: 4px auto; transition: transform .2s ease, opacity .2s ease; }
@media (max-width: 1080px) {
  .nav ul { gap: 14px; }
  .nav ul a { font-size: 0.88rem; }
}
@media (max-width: 920px) {
  .nav-toggle { display: block; }
  .nav ul {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--rule); padding: 8px 0 12px;
  }
  .nav ul.open { display: flex; }
  .nav ul a { display: block; padding: 12px 24px; font-size: 1rem; border-bottom: 0; }
  .nav ul a[aria-current="page"] { color: var(--deep); }
  .nav .btn { padding: 9px 16px; font-size: 0.9rem; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
}

/* Hero */
.hero { background: var(--ink); color: var(--white); padding: 72px 0; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { color: var(--white); margin-bottom: 0.6em; }
.hero p { color: var(--rule); font-size: 1.15rem; max-width: 56ch; }
.hero .actions { display: flex; gap: 22px; align-items: center; margin-top: 30px; flex-wrap: wrap; }
.hero .actions .link-arrow { color: #9FD6E6; }
.hero .actions .link-arrow:hover { color: var(--white); }
.hero-art img { width: 100%; height: auto; display: block; border-radius: 12px; }
@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { max-width: 520px; }
}

/* Tiles and cards */
.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tile { background: var(--light); border-radius: 10px; padding: 28px 26px; }
.tile .icon { width: 30px; height: 30px; color: var(--teal); margin-bottom: 14px; display: block; }
.tile h3 { margin-bottom: 8px; }
.tile h3 a { color: var(--ink); }
.tile h3 a:hover { color: var(--deep); }
.tile p { font-size: 1rem; }
.tiles.five { grid-template-columns: repeat(5, 1fr); }
.tiles.five .tile { padding: 22px 20px; }
.tiles.five .tile h3 { font-size: 1.05rem; }
.tiles.five .tile p { font-size: 0.95rem; }
@media (max-width: 1000px) { .tiles.five { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .tiles, .tiles.five { grid-template-columns: 1fr; } }

/* Pull quote and callout */
.pullquote {
  background: var(--light); border-radius: 10px; padding: 34px 40px; margin: 36px 0;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem); font-style: italic; color: var(--deep); line-height: 1.35;
}
.callout { background: var(--light); border-radius: 10px; padding: 32px 40px; font-size: 1.15rem; margin: 40px 0; }
.callout strong { color: var(--ink); }

/* Diagram */
.diagram { margin: 36px 0 44px; }
.diagram svg { width: 100%; height: auto; display: block; }

/* Three states */
.states { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 24px 0 8px; }
.state { border: 1px solid var(--rule); border-radius: 10px; padding: 22px 22px 24px; background: var(--white); }
.state svg { width: 100%; height: auto; display: block; margin-bottom: 14px; }
.state h3 { margin-bottom: 10px; }
.state p { font-size: 0.98rem; margin-bottom: 8px; }
.state p b { color: var(--deep); }
@media (max-width: 860px) { .states { grid-template-columns: 1fr; } }

/* Compatibility table */
.table-wrap { overflow-x: auto; margin: 32px 0; }
table.compat { width: 100%; border-collapse: collapse; font-size: 0.98rem; }
table.compat th, table.compat td { text-align: left; vertical-align: top; padding: 14px 16px; border-bottom: 1px solid var(--rule); }
table.compat th { background: var(--light); color: var(--deep); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; }
table.compat td:first-child { color: var(--ink); font-weight: 700; }
@media (max-width: 760px) {
  table.compat thead { display: none; }
  table.compat, table.compat tbody, table.compat tr, table.compat td { display: block; width: 100%; }
  table.compat tr { border: 1px solid var(--rule); border-radius: 10px; margin-bottom: 16px; padding: 8px 0; }
  table.compat td { border-bottom: 0; padding: 8px 18px; }
  table.compat td:first-child { font-size: 1.1rem; padding-top: 12px; }
  table.compat td::before { content: attr(data-label); display: block; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--deep); font-weight: 700; margin-bottom: 2px; }
  table.compat td:first-child::before { display: none; }
}

/* Deployment cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 24px 0 40px; }
.card { background: var(--light); border-radius: 10px; padding: 30px 28px; }
.card .num { font-size: 2rem; font-weight: 700; color: var(--teal); line-height: 1; margin-bottom: 14px; }
.card h3 { font-size: 1.3rem; }
.card p { font-size: 1rem; }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }

/* Siting blocks */
.blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 28px; }
.block { border: 1px solid var(--rule); border-radius: 10px; padding: 24px 26px 24px 78px; position: relative; }
.block .icon { position: absolute; left: 26px; top: 26px; width: 32px; height: 32px; color: var(--teal); }
.block.full { grid-column: 1 / -1; }
.block p { font-size: 1rem; }
@media (max-width: 760px) { .blocks { grid-template-columns: 1fr; } .block.full { grid-column: auto; } }

/* Roadmap */
.roadmap { margin: 40px 0 0; }
.roadmap .track { display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: auto auto; gap: 14px 24px; align-items: end; position: relative; padding-top: 34px; }
.roadmap .box { grid-row: 1; align-self: end; border-radius: 8px; padding: 20px 22px; display: flex; flex-direction: column; justify-content: flex-start; }
.roadmap .box.solid { background: var(--teal); color: var(--white); }
.roadmap .box.solid h3 { color: var(--white); }
.roadmap .box.dashed { border: 2px dashed var(--teal); color: var(--slate); }
.roadmap .box h3 { font-size: 1.35rem; margin-bottom: 4px; }
.roadmap .box .tpd { font-size: 0.98rem; opacity: 0.95; }
.roadmap .role { grid-row: 2; align-self: start; font-size: 0.98rem; color: var(--slate); }
.roadmap .today { position: absolute; left: calc(50% - 1px); top: 0; height: 364px; width: 0; border-left: 2px dashed var(--deep); }
.roadmap .today span { position: absolute; top: -22px; left: 50%; transform: translateX(-50%); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; color: var(--deep); background: var(--white); padding: 0 6px; white-space: nowrap; }
@media (max-width: 760px) {
  .roadmap .track { grid-template-columns: 1fr 1fr; grid-template-rows: auto; padding-top: 0; }
  .roadmap .today { display: none; }
  .roadmap .box { grid-row: auto; min-height: 0 !important; }
  .roadmap .role { grid-row: auto; margin-bottom: 10px; }
  .roadmap .role:nth-child(7), .roadmap .role:nth-child(8) { grid-row: 4; }
  .roadmap .box:nth-child(3), .roadmap .box:nth-child(4) { grid-row: 3; }
}

/* Team */
.team { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; margin-top: 32px; }
.person { background: var(--white); }
.person img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 8px; display: block; }
.person h3 { font-size: 1.12rem; margin: 16px 0 2px; }
.person .title { color: var(--deep); font-weight: 700; font-size: 0.95rem; margin-bottom: 10px; }
.person p { font-size: 0.95rem; }
@media (max-width: 1100px) { .team { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .team { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .team { grid-template-columns: 1fr; } }

/* Company and contact */
.contact { background: var(--light); }
.contact .grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: start; }
.contact .aside { background: var(--white); border-radius: 10px; padding: 28px 28px; }
.contact .aside h3 { font-size: 1.05rem; margin-bottom: 10px; }
.contact .aside ul { margin: 0; padding-left: 20px; font-size: 1rem; }
.contact .aside li { margin-bottom: 6px; }
.contact .aside p { font-size: 1rem; margin-top: 18px; }
form.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
form.contact-form .full { grid-column: 1 / -1; }
form.contact-form label { display: block; font-weight: 700; color: var(--ink); font-size: 0.92rem; margin-bottom: 6px; }
form.contact-form label .opt { font-weight: 400; color: var(--muted); }
form.contact-form input, form.contact-form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink);
  padding: 11px 13px; border: 1px solid var(--rule); border-radius: 8px; background: var(--white);
}
form.contact-form input:focus, form.contact-form textarea:focus { outline: 2px solid var(--teal); outline-offset: 1px; border-color: var(--teal); }
form.contact-form textarea { min-height: 110px; resize: vertical; }
form.contact-form .hp { position: absolute; left: -9999px; top: -9999px; height: 0; width: 0; overflow: hidden; }
.notice { border-radius: 8px; padding: 14px 18px; margin-bottom: 22px; font-weight: 700; display: none; }
.notice.ok { background: #E3F4F8; color: var(--deep); }
.notice.err { background: #FBEAEC; color: #9B1C1C; }
.notice.show { display: block; }
.direct { margin-top: 22px; font-size: 1rem; }
@media (max-width: 860px) {
  .contact .grid { grid-template-columns: 1fr; }
  form.contact-form { grid-template-columns: 1fr; }
}

/* Footer */
.footer { background: var(--ink); color: var(--rule); padding: 44px 0 36px; margin-top: 24px; }
.footer .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 36px; }
.footer .logo img { height: 42px; width: auto; display: block; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer ul a { color: var(--rule); font-size: 0.92rem; }
.footer ul a:hover { color: var(--white); }
.footer .meta { flex-basis: 100%; display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 0.9rem; margin-top: 8px; }
.footer .meta a { color: var(--teal); }

/* Labeled diagram stays legible on small screens by scrolling sideways */
@media (max-width: 760px) {
  .diagram { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 8px; }
  .diagram svg { min-width: 820px; }
}