/* Fine Line AI Solutions — main stylesheet */
:root {
  --teal: #184d47;
  --teal-dark: #113833;
  --green: #81a969;
  --yellow: #eebb4d;
  --gray: #ededed;
  --gray-dark: #777777;
  --mint: #d7efc6;
  --text: #666666;
  --heading: #282828;
  --white: #ffffff;
  --radius: 4px;
  --container: 1170px;
  --font-head: "Montserrat", Arial, Helvetica, sans-serif;
  --font-body: "Open Sans", Arial, Helvetica, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green); }
h1, h2, h3, h4, h5 { font-family: var(--font-head); color: var(--heading); margin: 0 0 .6em; line-height: 1.3; }
h1 { font-size: 44px; }
h2 { font-size: 30px; font-weight: 400; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }
p { margin: 0 0 1.1em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.text-center { text-align: center; }
.section { padding: 70px 0; }
.section-sm { padding: 40px 0; }
.bg-gray { background: var(--gray); }
.bg-white { background: var(--white); }
.bg-green { background: var(--green); color: var(--white); }
.bg-green h2, .bg-green h3 { color: var(--white); }
.bg-graydark { background: var(--gray-dark); color: var(--white); }
.bg-graydark h2, .bg-graydark h3, .bg-graydark h4 { color: var(--white); }
.heading-green { color: var(--green); font-weight: 400; }
.heading-teal { color: var(--teal); }
.lead { font-size: 17px; }
.eyebrow {
  display: inline-block; font-family: var(--font-head); font-size: 12px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; color: var(--green); margin-bottom: 10px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; font-family: var(--font-head); font-weight: 700; font-size: 13px;
  letter-spacing: 1px; text-transform: uppercase; padding: 14px 30px; border-radius: var(--radius);
  border: 2px solid transparent; cursor: pointer; transition: all .2s; white-space: nowrap;
}
.btn-yellow { background: var(--yellow); color: var(--teal); }
.btn-yellow:hover { background: var(--white); color: var(--teal); }
.btn-teal { background: var(--teal); color: var(--white); }
.btn-teal:hover { background: var(--green); color: var(--white); }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: var(--teal); color: var(--white); }
.link-more { font-family: var(--font-head); font-weight: 700; font-size: 13px; color: var(--green); }
.link-more:hover { color: var(--teal); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100; background: var(--white);
  box-shadow: 0 1px 0 rgba(0,0,0,.06); transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: 0 4px 18px rgba(0,0,0,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 90px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo-text { white-space: nowrap; }
.logo svg { width: 46px; height: 46px; flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-family: var(--font-head); font-weight: 800; font-size: 19px; letter-spacing: 4px; color: var(--green); text-transform: uppercase; }
.logo-name span { color: #a3a3a3; }
.logo-tag { font-family: var(--font-head); font-weight: 400; font-size: 9px; letter-spacing: 3.1px; color: #9a9a9a; text-transform: uppercase; margin-top: 6px; }

.main-nav ul { list-style: none; margin: 0; padding: 0; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; padding: 10px 14px; font-family: var(--font-head); font-size: 12.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .5px; color: var(--teal); border-radius: var(--radius);
}
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a { color: var(--green); }
.main-nav .has-sub > a::after { content: ""; display: inline-block; margin-left: 6px; border: 4px solid transparent; border-top-color: currentColor; transform: translateY(2px); }
.main-nav .sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 240px; background: var(--white);
  border-top: 3px solid var(--green); box-shadow: 0 10px 30px rgba(0,0,0,.12);
  padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .2s;
}
.main-nav .has-sub:hover .sub-menu, .main-nav .has-sub:focus-within .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.main-nav .sub-menu a { display: block; padding: 9px 20px; font-size: 13px; color: var(--text); font-family: var(--font-head); }
.main-nav .sub-menu a:hover { color: var(--green); padding-left: 25px; }
.main-nav .sub-menu .featured a { color: var(--teal); font-weight: 700; }
.main-nav .sub-menu .featured a::after { content: "NEW"; margin-left: 8px; font-size: 9px; background: var(--yellow); color: var(--teal); padding: 2px 5px; border-radius: 3px; vertical-align: middle; }
.nav-cta { margin-left: 10px; }
.main-nav > ul > li.nav-cta > a { color: var(--white); padding: 12px 20px; border-bottom: 0; }
.main-nav > ul > li.nav-cta > a:hover { color: var(--white); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--teal); }
.nav-toggle svg { width: 28px; height: 28px; }

/* ---------- Home hero ---------- */
.hero {
  position: relative; background: var(--mint) url("../img/hero-lines.svg") center / cover no-repeat;
  padding: 150px 0 230px; text-align: center;
}
.hero h1 { color: var(--teal); font-weight: 700; max-width: 900px; margin: 0 auto 15px; }
.hero h1 small { display: block; font-size: .72em; font-weight: 700; margin-top: 6px; }
.ticker-line { font-family: var(--font-head); font-size: 26px; color: var(--teal); font-weight: 400; margin: 10px 0 0; display: flex; justify-content: center; align-items: center; gap: .35em; flex-wrap: wrap; }
.ticker { display: inline-block; height: 1.35em; overflow: hidden; vertical-align: bottom; color: var(--yellow); font-weight: 700; }
.ticker-list { display: block; animation: ticker 10s cubic-bezier(.7,0,.3,1) infinite; }
.ticker-list span { display: block; }
.ticker-list span { height: 1.35em; line-height: 1.35em; text-shadow: 0 1px 0 rgba(24,77,71,.15); }
@keyframes ticker {
  0%, 20%   { transform: translateY(0); }
  25%, 45%  { transform: translateY(-1.35em); }
  50%, 70%  { transform: translateY(-2.7em); }
  75%, 95%  { transform: translateY(-4.05em); }
  100%      { transform: translateY(-5.4em); }
}
@media (prefers-reduced-motion: reduce) { .ticker-list { animation: none; } }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.hero-box-wrap { margin-top: -150px; position: relative; z-index: 2; }
.hero-box {
  background: var(--teal); padding: 30px; display: flex; align-items: center; justify-content: space-between; gap: 30px;
  box-shadow: 0 20px 40px rgba(24,77,71,.25);
}
.hero-box h2 { color: var(--yellow); font-size: 22px; line-height: 1.5; margin: 0; text-align: left; }

/* ---------- AI feature (home) ---------- */
.ai-feature { padding: 80px 0 70px; }
.ai-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.ai-grid h2 { color: var(--teal); font-weight: 700; font-size: 32px; }
.check-list { list-style: none; margin: 0 0 25px; padding: 0; }
.check-list li { position: relative; padding-left: 32px; margin-bottom: 10px; }
.check-list li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat;
}
.check-list strong { color: var(--teal); font-family: var(--font-head); font-size: 14px; }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.stat { border-left: 3px solid var(--yellow); padding: 4px 0 4px 14px; }
.stat b { display: block; font-family: var(--font-head); font-size: 15px; color: var(--teal); }
.stat span { font-size: 13px; }

/* ---------- Icon boxes / solution cards ---------- */
.solutions { padding: 50px 0 40px; }
.solutions h2 { margin-bottom: 40px; }
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.icon-box { text-align: center; padding: 10px 10px 20px; }
.icon-box .icon {
  width: 90px; height: 90px; margin: 0 auto 18px; border-radius: 50%; background: var(--white);
  display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,.06);
}
.bg-white .icon-box .icon, .icon-box.on-white .icon { background: var(--gray); box-shadow: none; }
.icon-box .icon svg { width: 44px; height: 44px; }
.icon-box h3 { font-size: 18px; text-transform: uppercase; color: var(--teal); margin-bottom: 8px; }
.icon-box p { margin-bottom: 10px; }

.featured-card {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 30px; align-items: center;
  background: var(--teal); color: #d9e6e4; padding: 30px 36px; margin-bottom: 40px; position: relative; overflow: hidden;
}
.featured-card::after { content: ""; position: absolute; right: -60px; bottom: -60px; width: 220px; height: 220px; border: 2px solid rgba(238,187,77,.35); border-radius: 50%; }
.featured-card .icon { width: 110px; height: 110px; border-radius: 50%; background: var(--yellow); display: flex; align-items: center; justify-content: center; }
.featured-card .icon svg { width: 58px; height: 58px; }
.featured-card h3 { color: var(--yellow); text-transform: uppercase; margin-bottom: 6px; font-size: 22px; }
.featured-card .badge { display: inline-block; font-family: var(--font-head); font-size: 10px; font-weight: 700; letter-spacing: 1.5px; background: var(--green); color: var(--white); padding: 3px 8px; border-radius: 3px; margin-bottom: 8px; }
.featured-card p { margin: 0; }
.featured-card .btn { position: relative; z-index: 1; }

/* ---------- Tabs (Our Services) ---------- */
.services { padding: 70px 0; }
.services h2 { margin-bottom: 35px; }
.tabs-nav { display: flex; justify-content: center; flex-wrap: wrap; border-bottom: 2px solid var(--gray); margin-bottom: 45px; }
.tabs-nav button {
  background: none; border: 0; cursor: pointer; font-family: var(--font-head); font-weight: 700; font-size: 13.5px;
  color: var(--gray-dark); padding: 16px 20px; position: relative; transition: color .2s;
}
.tabs-nav button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px; background: var(--green); transform: scaleX(0); transition: transform .25s; }
.tabs-nav button:hover { color: var(--teal); }
.tabs-nav button[aria-selected="true"] { color: var(--teal); }
.tabs-nav button[aria-selected="true"]::after { transform: scaleX(1); }
.tabs-nav button.is-ai { color: var(--teal); }
.tabs-nav button.is-ai::before { content: "★ "; color: var(--yellow); }
.tab-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; animation: fadeUp .4s ease; }
.tab-panel[hidden] { display: none; }
.tab-panel h3 { font-size: 24px; color: var(--teal); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- Why choose us ---------- */
.why { padding: 40px 0; }
.why .why-title { color: var(--green); font-weight: 400; margin-bottom: 20px; }
.why .why-text { font-size: 24px; line-height: 1.6; color: var(--teal); max-width: 980px; margin: 0 auto; }
.why-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.why-points div { background: var(--white); padding: 22px; border-bottom: 3px solid var(--green); text-align: left; }
.why-points b { display: block; font-family: var(--font-head); color: var(--teal); margin-bottom: 4px; }
.why-points span { font-size: 14px; }

/* ---------- CTA + form ---------- */
.cta {
  position: relative; background: var(--yellow); padding: 90px 0; overflow: hidden;
}
.cta::after { content: ""; position: absolute; inset: 0; background: var(--teal); clip-path: polygon(52.5% 100%, 100% 79.5%, 100% 100%); pointer-events: none; }
.cta .container { position: relative; z-index: 1; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.cta h4 { color: var(--teal); letter-spacing: 2px; font-size: 15px; font-weight: 700; }
.cta h3 { color: var(--white); font-size: 34px; font-weight: 700; text-shadow: 0 1px 0 rgba(0,0,0,.05); }
.cta p { color: var(--teal); }

.form { display: grid; gap: 14px; }
.form .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { font-family: var(--font-head); font-size: 12px; font-weight: 700; color: var(--teal); display: block; margin-bottom: 5px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 14px; color: var(--heading); background: var(--white);
  border: 1px solid #dcdcdc; border-radius: var(--radius); padding: 13px 15px; transition: border-color .2s, box-shadow .2s;
}
.form textarea { min-height: 130px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px rgba(129,169,105,.25); }
.cta .form input, .cta .form select, .cta .form textarea { border-color: transparent; }
.form .btn { justify-self: start; }
.form-note { font-size: 14px; font-weight: 600; color: var(--teal); background: rgba(255,255,255,.7); padding: 12px 15px; border-left: 3px solid var(--green); display: none; }
.form-note.show { display: block; }

/* ---------- Footer ---------- */
.site-footer { background: var(--teal); color: #b9ceca; font-size: 14px; }
.footer-top { padding-top: 60px; padding-bottom: 40px; display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 30px; }
.site-footer h3 { color: var(--white); font-size: 14px; letter-spacing: 1.5px; margin-bottom: 18px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #b9ceca; }
.site-footer a:hover { color: var(--yellow); }
.site-footer .logo-name { color: var(--white); }
.site-footer .logo-name span { color: var(--yellow); }
.site-footer .logo-tag { color: #9fbab5; }
.footer-about p { margin-top: 18px; }
.footer-bottom { background: var(--teal-dark); padding: 18px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-bottom li { margin: 0; }

/* ---------- Inner pages ---------- */
.page-hero {
  background: var(--mint) url("../img/hero-lines.svg") center / cover no-repeat;
  padding: 170px 0 150px; text-align: center;
}
.page-hero.compact { padding: 120px 0 110px; }
.page-hero h1 { color: var(--teal); font-weight: 700; max-width: 900px; margin: 0 auto 18px; }
.page-hero h4 { color: var(--teal); font-weight: 400; font-size: 18px; line-height: 1.6; max-width: 820px; margin: 0 auto 30px; }
.page-hero .eyebrow { color: var(--teal); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split h3 { color: var(--teal); text-transform: uppercase; }
.split + .split { margin-top: 60px; }
.illus { background: var(--white); border-radius: 6px; padding: 10px; }
.bg-white .illus { background: var(--gray); }

.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 30px; list-style: none; padding: 0; margin: 0 0 20px; }
.feature-list li { padding-left: 22px; position: relative; }
.feature-list li::before { content: ""; position: absolute; left: 0; top: 10px; width: 9px; height: 9px; background: var(--green); transform: rotate(45deg); }

.point-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.point { background: var(--white); padding: 26px; border-top: 3px solid var(--green); height: 100%; }
.bg-white .point { background: var(--gray); }
.point h4 { color: var(--teal); margin-bottom: 6px; }
.point p { margin: 0; font-size: 14px; }
.point .num { font-family: var(--font-head); font-weight: 800; color: var(--yellow); font-size: 28px; line-height: 1; display: block; margin-bottom: 10px; }

.quote-strip { text-align: center; }
.quote-strip blockquote { margin: 0 auto; max-width: 860px; font-family: var(--font-head); font-size: 22px; color: var(--teal); line-height: 1.6; }
.quote-strip cite { display: block; margin-top: 12px; font-style: normal; font-size: 13px; letter-spacing: 2px; color: var(--green); text-transform: uppercase; font-weight: 700; }

.job { display: flex; justify-content: space-between; align-items: center; gap: 20px; background: var(--white); padding: 24px 28px; border-left: 4px solid var(--green); margin-bottom: 16px; }
.job h2 { font-size: 20px; font-weight: 700; color: var(--teal); margin: 0 0 4px; }
.job span { font-size: 14px; }

.office-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.office { background: var(--gray); padding: 30px; text-align: center; }
.office h4 { color: var(--teal); }
.office p { margin: 0 0 4px; }

.callout { background: var(--teal); color: #d9e6e4; padding: 34px 40px; text-align: center; margin-top: 40px; }
.callout h4 { color: var(--yellow); font-size: 20px; line-height: 1.6; margin: 0; font-weight: 400; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .main-nav > ul > li > a { padding: 10px 9px; font-size: 12px; }
  .nav-cta { display: none; }
}
@media (max-width: 991px) {
  h1 { font-size: 36px; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0; background: var(--white); box-shadow: 0 12px 24px rgba(0,0,0,.1);
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
  }
  .main-nav.open { max-height: 80vh; overflow-y: auto; }
  .main-nav > ul { flex-direction: column; align-items: stretch; padding: 10px 16px 20px; gap: 0; }
  .main-nav > ul > li > a { padding: 12px 4px; border-bottom: 1px solid var(--gray); font-size: 13px; }
  .main-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding: 0 0 6px 14px; }
  .main-nav .has-sub > a::after { display: none; }
  .nav-cta { display: block; margin: 14px 0 0; text-align: center; }
  .ai-grid, .tab-panel, .cta-grid, .split { grid-template-columns: 1fr; gap: 35px; }
  .split.reverse > :first-child { order: 0; }
  .card-grid, .card-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .why-points { grid-template-columns: repeat(2, 1fr); }
  .point-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .featured-card { grid-template-columns: 90px 1fr; }
  .featured-card .icon { width: 90px; height: 90px; }
  .featured-card .btn { grid-column: 1 / -1; justify-self: start; }
  .cta::after { clip-path: polygon(0 100%, 100% 88%, 100% 100%); }
  .tab-panel .illus { max-width: 480px; margin: 0 auto; }
}
@media (max-width: 767px) {
  body { font-size: 14.5px; }
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  .section { padding: 50px 0; }
  .header-inner { min-height: 72px; }
  .logo svg { width: 38px; height: 38px; }
  .logo-name { font-size: 15px; letter-spacing: 3px; }
  .logo-tag { font-size: 7px; letter-spacing: 2.4px; }
  .hero { padding: 90px 0 190px; }
  .ticker-line { font-size: 19px; }
  .hero-box { flex-direction: column; align-items: flex-start; padding: 26px 22px; }
  .hero-box h2 { font-size: 18px; }
  .ai-grid h2 { font-size: 26px; }
  .stat-row { grid-template-columns: 1fr; }
  .card-grid, .card-grid.cols-3, .card-grid.cols-2 { grid-template-columns: 1fr; }
  .featured-card { grid-template-columns: 1fr; text-align: center; padding: 30px 22px; }
  .featured-card .icon { margin: 0 auto; }
  .featured-card .btn { justify-self: center; }
  .tabs-nav { flex-direction: column; border-bottom: 0; gap: 6px; }
  .tabs-nav button { background: var(--gray); text-align: left; border-radius: var(--radius); padding: 13px 16px; }
  .tabs-nav button::after { display: none; }
  .tabs-nav button[aria-selected="true"] { background: var(--teal); color: var(--white); }
  .why .why-text { font-size: 18px; }
  .why-points, .point-grid, .feature-list, .office-grid { grid-template-columns: 1fr; }
  .cta { padding: 60px 0 80px; }
  .cta h3 { font-size: 26px; }
  .form .row-2 { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
  .page-hero, .page-hero.compact { padding: 80px 0 70px; }
  .page-hero h4 { font-size: 16px; }
  .job { flex-direction: column; align-items: flex-start; }
  .callout { padding: 26px 22px; }
  .quote-strip blockquote { font-size: 18px; }
}