/* Think Optimise — clean, spacious, app-grid style */
:root {
  --navy: #1f2150;
  --navy-2: #2d3070;
  --yellow: #f2c230;
  --yellow-soft: #fdf3cf;
  --ink: #1f2150;
  --text: #454866;
  --muted: #6e7191;
  --line: #e6e7ef;
  --bg: #ffffff;
  --tint: #f6f7fb;
  --radius: 14px;
  --wrap: 1180px;
  --display: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.65; color: var(--text); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); }
h1, h2, h3, h4 { font-family: var(--display); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.lead { font-size: 1.22rem; color: var(--muted); max-width: 44rem; }
.center .lead { margin-left: auto; margin-right: auto; }
.section { padding: 96px 0; }
.section.tint { background: var(--tint); }
.section-head { margin-bottom: 52px; }
.kicker { display: inline-block; font-weight: 700; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; color: var(--navy-2); margin-bottom: 14px; }
.skip { position: absolute; left: -999px; } .skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 12px; z-index: 100; }

/* Highlighter stroke under a word, like a marker pen */
.hl { position: relative; white-space: nowrap; z-index: 0; }
.hl::after { content: ""; position: absolute; left: -4px; right: -4px; bottom: .06em; height: .38em; background: var(--yellow); border-radius: 3px; z-index: -1; transform: rotate(-1.2deg); }
.hl-circle { position: relative; white-space: nowrap; }
.hl-circle svg { position: absolute; left: -8%; top: -18%; width: 116%; height: 136%; pointer-events: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 26px; border-radius: 10px; font-weight: 700; font-size: 1rem; text-decoration: none; border: 2px solid var(--navy); background: var(--navy); color: #fff; transition: transform .15s, box-shadow .15s, background .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(31,33,80,.18); }
.btn.alt { background: #fff; color: var(--navy); }
.btn.yellow { background: var(--yellow); border-color: var(--yellow); color: var(--navy); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand img { width: 38px; height: 38px; }
.brand span { font-family: var(--display); font-weight: 800; font-size: 1.28rem; color: var(--navy); letter-spacing: -.02em; }
.brand span b { font-weight: 800; color: var(--navy); }
.nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; align-items: center; }
.nav a { display: block; padding: 10px 14px; border-radius: 8px; color: var(--ink); font-weight: 600; font-size: .96rem; text-decoration: none; }
.nav a:hover { background: var(--tint); }
.nav .btn { color: #fff; padding: 10px 18px; margin-left: 8px; }
.nav .btn:hover { background: var(--navy-2); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--navy); margin: 5px 0; }
@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); display: none; box-shadow: 0 12px 24px rgba(0,0,0,.06); }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; align-items: stretch; padding: 12px 16px 20px; }
  .nav .btn { margin: 8px 0 0; justify-content: center; }
}

/* Hero */
.hero { padding: 96px 0 72px; text-align: center; background: radial-gradient(900px 400px at 50% -10%, var(--yellow-soft), transparent 70%); }
.hero h1 { max-width: 16ch; margin: 0 auto 22px; }
.hero .lead { margin: 0 auto 34px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: .92rem; color: var(--muted); }
.trust { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 34px; }
.trust span { padding: 8px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-size: .9rem; font-weight: 600; color: var(--navy); }

/* App grid */
.apps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; max-width: 980px; margin: 0 auto; }
.app { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 20px 8px; border-radius: var(--radius); text-align: center; transition: background .15s, transform .15s; }
.app:hover { background: #fff; transform: translateY(-3px); box-shadow: 0 10px 24px rgba(31,33,80,.08); }
.app i { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; box-shadow: 0 6px 14px rgba(31,33,80,.12); }
.app i svg { width: 32px; height: 32px; }
.app b { font-weight: 600; color: var(--ink); font-size: .95rem; }
@media (max-width: 900px) { .apps { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 560px) { .apps { grid-template-columns: repeat(3, 1fr); gap: 8px; } .app i { width: 54px; height: 54px; } }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats b { display: block; font-family: var(--display); font-size: clamp(2.2rem, 4vw, 3.2rem); font-weight: 800; color: var(--navy); line-height: 1.1; }
.stats span { color: var(--muted); font-size: .98rem; }
@media (max-width: 760px) { .stats { grid-template-columns: 1fr 1fr; row-gap: 36px; } }

/* Cards */
.grid { display: grid; gap: 24px; }
.c2 { grid-template-columns: repeat(2, 1fr); } .c3 { grid-template-columns: repeat(3, 1fr); } .c4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .c3, .c4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .c2, .c3, .c4 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: transform .15s, box-shadow .15s, border-color .15s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(31,33,80,.08); border-color: transparent; }
.card .ico { width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center; background: var(--yellow-soft); color: var(--navy); margin-bottom: 18px; }
.card .ico svg { width: 26px; height: 26px; }
.card p { color: var(--muted); margin: 0; font-size: .98rem; }
.card ul { margin: 14px 0 0; padding-left: 1.1em; color: var(--muted); font-size: .95rem; }
.card li { margin-bottom: 4px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: s; }
.step { position: relative; padding-top: 58px; }
.step::before { counter-increment: s; content: counter(s); position: absolute; top: 0; left: 0; width: 42px; height: 42px; border-radius: 50%; background: var(--yellow); color: var(--navy); font-family: var(--display); font-weight: 800; display: grid; place-items: center; }
.step::after { content: ""; position: absolute; top: 21px; left: 54px; right: -12px; border-top: 2px dashed var(--line); }
.step:last-child::after { display: none; }
.step p { color: var(--muted); font-size: .97rem; }
.step small { display: inline-block; margin-top: 4px; font-weight: 700; color: var(--navy-2); font-size: .82rem; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr 1fr; } .step::after { display: none; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chip { padding: 12px 20px; border-radius: 999px; background: #fff; border: 1px solid var(--line); font-weight: 600; color: var(--ink); font-size: .96rem; }

/* Case studies */
.case { border-top: 4px solid var(--yellow); }
.case .tag { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--navy-2); margin-bottom: 10px; }

/* Products */
.product { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 48px; border-radius: 22px; background: var(--navy); color: #d4d6ec; margin-bottom: 28px; position: relative; overflow: hidden; }
.product::after { content: ""; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px; border-radius: 50%; background: rgba(242,194,48,.12); }
.product h3 { color: #fff; font-size: 2rem; margin-bottom: 10px; }
.product .kicker { color: var(--yellow); }
.product p { color: #c7c9e2; }
.product ul { list-style: none; margin: 0; padding: 0; position: relative; z-index: 1; }
.product li { position: relative; padding: 10px 0 10px 32px; border-bottom: 1px solid rgba(255,255,255,.1); color: #e8e9f5; }
.product li::before { content: ""; position: absolute; left: 0; top: 16px; width: 18px; height: 18px; border-radius: 50%; background: var(--yellow); box-shadow: inset 0 0 0 5px var(--navy); }
.product .btn { margin-top: 18px; }
.product.light { background: var(--tint); color: var(--text); }
.product.light h3 { color: var(--navy); } .product.light p { color: var(--muted); } .product.light li { color: var(--ink); border-color: var(--line); }
.product.light li::before { box-shadow: inset 0 0 0 5px var(--tint); }
.product.light .kicker { color: var(--navy-2); }
@media (max-width: 860px) { .product { grid-template-columns: 1fr; gap: 24px; padding: 32px 24px; } }

/* CTA band */
.cta { background: var(--yellow); padding: 72px 0; text-align: center; }
.cta h2 { margin-bottom: 10px; }
.cta p { color: var(--navy); font-size: 1.12rem; margin-bottom: 26px; }

/* Contact */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: 6px; }
.form input, .form select, .form textarea { width: 100%; font: inherit; padding: 12px 14px; border: 1px solid #d6d8e6; border-radius: 10px; background: #fff; color: var(--ink); }
.form input:focus, .form select:focus, .form textarea:focus { outline: 3px solid rgba(242,194,48,.45); border-color: var(--navy); }
.form textarea { min-height: 130px; resize: vertical; }
.form .hp { position: absolute; left: -5000px; }
.form-status { grid-column: 1 / -1; display: none; padding: 14px 16px; border-radius: 10px; }
.form-status.ok { display: block; background: #e9f7ee; color: #1d5b33; }
.form-status.err { display: block; background: #fdecec; color: #8f2124; }
@media (max-width: 640px) { .form { grid-template-columns: 1fr; } }
.info { background: var(--tint); border-radius: var(--radius); padding: 30px; }
.info dt { font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 18px; font-weight: 700; }
.info dt:first-child { margin-top: 0; }
.info dd { margin: 4px 0 0; color: var(--ink); font-weight: 600; }

/* Page hero (product pages) */
.page-hero { padding: 80px 0 56px; background: radial-gradient(800px 360px at 50% -10%, var(--yellow-soft), transparent 70%); text-align: center; }
.page-hero .lead { margin: 0 auto; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 40px; }
.feature-list div { padding-left: 34px; position: relative; }
.feature-list div::before { content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 6px; background: var(--yellow); }
.feature-list h3 { margin-bottom: 4px; font-size: 1.05rem; }
.feature-list p { margin: 0; color: var(--muted); font-size: .97rem; }
@media (max-width: 760px) { .feature-list { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { background: var(--navy); color: #b9bbd8; padding: 64px 0 28px; font-size: .95rem; }
.foot { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
@media (max-width: 900px) { .foot { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .foot { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-family: var(--sans); font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #d9dbef; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.foot-brand .brand span { color: #fff; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .85rem; }

.product li b { color: #fff; font-weight: 700; }
.product.light li b { color: var(--navy); }

/* DriveGuard: licence-saving band */
.saving { padding: 8px 0 24px; }
.saving-box { display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: center; background: var(--navy); color: #d4d6ec; border-radius: 22px; padding: 44px 48px; position: relative; overflow: hidden; }
.saving-box::after { content: ""; position: absolute; right: -70px; bottom: -90px; width: 260px; height: 260px; border-radius: 50%; background: rgba(242,194,48,.12); }
.saving-box h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.3rem); }
.saving-box .kicker { color: var(--yellow); }
.saving-box p { margin: 0; color: #c7c9e2; font-size: 1.08rem; max-width: 46rem; }
.saving-fig { width: 150px; height: 150px; border-radius: 50%; background: var(--yellow); color: var(--navy); display: flex; flex-direction: column; align-items: center; justify-content: center; font-family: var(--display); font-weight: 800; font-size: 4rem; line-height: 1; }
.saving-fig small { font-size: .95rem; font-weight: 700; margin-top: 4px; letter-spacing: .02em; }
@media (max-width: 760px) { .saving-box { grid-template-columns: 1fr; padding: 32px 24px; gap: 20px; } .saving-fig { width: 110px; height: 110px; font-size: 3rem; } }