/* =============================================================================
   Seven Clean — commercial cleaning, London. Corporate Teal identity.
   ========================================================================== */
:root {
  --teal: #0E5D63;
  --teal-dark: #0A3B3F;
  --teal-deep: #062B2E;
  --aqua: #35C4B5;
  --aqua-soft: #d6f3ee;
  --ink: #0F1F1E;
  --text: #22322F;
  --text-soft: #5c6f6c;
  --bg: #ffffff;
  --bg-soft: #F1F6F5;
  --line: #dde8e6;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 10px 30px rgba(10, 59, 63, .10);
  --shadow-lg: 0 24px 60px rgba(10, 59, 63, .18);
  --wrap: 1160px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.6; font-size: 17px; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; margin: 0 0 .6em; font-weight: 800; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
a { color: var(--teal); text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2rem); }
.section { padding: clamp(3rem, 8vw, 5.5rem) 0; }
.bg-soft { background: var(--bg-soft); }
.eyebrow { font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--teal); margin-bottom: .8rem; }
.lede { font-size: clamp(1.05rem, 2.4vw, 1.3rem); color: var(--text-soft); max-width: 52ch; }
.center { text-align: center; margin-inline: auto; }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; font-size: 1rem;
  padding: .85rem 1.5rem; border-radius: 999px; border: 2px solid transparent; cursor: pointer; transition: .18s; }
.btn--primary { background: var(--aqua); color: var(--teal-deep); }
.btn--primary:hover { background: #2bb4a5; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.5); }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--dark { background: var(--teal); color: #fff; }
.btn--dark:hover { background: var(--teal-dark); }
.btn--lg { padding: 1rem 1.9rem; font-size: 1.05rem; }

/* ---- Header ---- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; gap: 1.5rem; padding: .8rem 0; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.35rem; color: var(--ink); letter-spacing: -.02em; }
.brand img { height: 58px; width: auto; display: block; }
@media (max-width: 480px) { .brand img { height: 44px; } }
.brand__mark { width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, var(--teal), var(--aqua));
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.2rem; }
.brand__mark span { transform: translateY(-1px); }
.brand em { color: var(--teal); font-style: normal; }
.nav__links { display: flex; gap: 1.4rem; margin-left: auto; align-items: center; }
.nav__links a { color: var(--text); font-weight: 600; font-size: .98rem; }
.nav__links a:hover { color: var(--teal); }
.nav__cta { margin-left: .4rem; }
.burger { display: none; margin-left: auto; background: none; border: 0; cursor: pointer; padding: .5rem; }
.burger span { display: block; width: 24px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* ---- Hero ---- */
.hero { position: relative; color: #fff; overflow: hidden;
  background:
    linear-gradient(100deg, rgba(6,43,46,.96) 0%, rgba(10,59,63,.88) 42%, rgba(10,59,63,.62) 100%),
    url("../img/hero-office.jpg") center / cover no-repeat;
  background-color: var(--teal-dark); }
.hero::after { content: ""; position: absolute; right: -10%; top: -20%; width: 55%; height: 140%;
  background: radial-gradient(circle at center, rgba(53,196,181,.20), transparent 60%); pointer-events: none; }
.hero__inner { position: relative; padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(3.5rem, 9vw, 6rem); max-width: 40ch; }
.hero h1 { color: #fff; }
.hero .lede { color: rgba(255,255,255,.85); max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.hero__pills { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; margin-top: 2rem; font-size: .92rem; color: rgba(255,255,255,.9); }
.hero__pills span { display: inline-flex; align-items: center; gap: .45rem; }
.hero__pills svg { width: 18px; height: 18px; color: var(--aqua); flex: none; }

/* ---- Trust strip ---- */
.trust { background: var(--teal-deep); color: rgba(255,255,255,.9); }
.trust__row { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem 2.5rem; padding: 1rem 0; font-size: .9rem; font-weight: 600; }
.trust__row span { display: inline-flex; align-items: center; gap: .5rem; }
.trust__row svg { width: 18px; height: 18px; color: var(--aqua); }

/* ---- Section head ---- */
.sec-head { max-width: 60ch; margin-bottom: 2.5rem; }
.sec-head.center { text-align: center; }

/* ---- Services grid ---- */
.grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 0; overflow: hidden;
  display: flex; flex-direction: column; transition: .2s; }
.card:hover { border-color: var(--aqua); box-shadow: var(--shadow); transform: translateY(-3px); }
.card__img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; display: block; }
.card__body { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }
.card__icon { width: 52px; height: 52px; border-radius: 14px; background: var(--aqua-soft); color: var(--teal);
  display: grid; place-items: center; margin-bottom: 1.1rem; }
.card__icon svg { width: 28px; height: 28px; }
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--text-soft); font-size: .97rem; margin-bottom: 1.2rem; }
.card__link { margin-top: auto; font-weight: 700; color: var(--teal); display: inline-flex; align-items: center; gap: .3rem; }

/* ---- Feature / why ---- */
.split { display: grid; gap: clamp(1.6rem, 5vw, 3.5rem); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 860px) { .split { grid-template-columns: 1fr 1fr; } }
.ticklist { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: .9rem; }
.ticklist li { display: flex; gap: .7rem; align-items: flex-start; }
.ticklist svg { width: 22px; height: 22px; color: var(--aqua); flex: none; margin-top: 2px; }
.ticklist strong { color: var(--ink); }
.media-card { background: linear-gradient(140deg, var(--teal), var(--teal-dark)); border-radius: var(--radius-lg);
  color: #fff; padding: 2.2rem; box-shadow: var(--shadow-lg); }
.media-card img { width: 100%; height: auto; border-radius: 12px; margin-bottom: 1.3rem; display: block; }
.media-card h3 { color: #fff; font-size: 1.4rem; }
.stat-row { display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem; margin-top: 1.5rem; }
.stat b { display: block; font-size: 2rem; color: var(--aqua); line-height: 1; }
.stat span { font-size: .88rem; color: rgba(255,255,255,.8); }

/* ---- Sectors ---- */
.pills { display: flex; flex-wrap: wrap; gap: .6rem; }
.pills span { padding: .55rem 1rem; border-radius: 999px; border: 1px solid var(--line); background: #fff; font-size: .92rem; color: var(--text); }

/* ---- Steps ---- */
.steps { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); counter-reset: s; }
.step { padding: 1.5rem; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.step__n { width: 34px; height: 34px; border-radius: 9px; background: var(--teal); color: #fff; font-weight: 800;
  display: grid; place-items: center; margin-bottom: .8rem; }

/* ---- CTA band ---- */
.cta-band { background: linear-gradient(135deg, var(--teal), var(--teal-deep)); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(2rem, 6vw, 3.5rem); text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 52ch; margin-inline: auto; }
.cta-band .hero__actions { justify-content: center; }

/* ---- Quote form ---- */
.quote-form { max-width: 640px; margin: 2rem auto 0; text-align: left; }
.quote-form__row { display: grid; gap: 1rem; grid-template-columns: 1fr; margin-bottom: 1rem; }
@media (min-width: 560px) { .quote-form__row { grid-template-columns: 1fr 1fr; } }
.quote-form .field { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.quote-form__row .field { margin-bottom: 0; }
.quote-form label { font-size: .88rem; font-weight: 600; color: rgba(255,255,255,.85); }
.quote-form input, .quote-form select, .quote-form textarea {
  font: inherit; color: #fff; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius); padding: .75rem .9rem; }
.quote-form input::placeholder, .quote-form textarea::placeholder { color: rgba(255,255,255,.55); }
.quote-form select { color: #fff; }
.quote-form select option { color: var(--ink); }
.quote-form input:focus, .quote-form select:focus, .quote-form textarea:focus { outline: 2px solid var(--aqua); outline-offset: 1px; }
.quote-form textarea { resize: vertical; }
.quote-form button { margin-top: .3rem; }
.quote-form__status { margin: .9rem 0 0; font-weight: 600; min-height: 1.2em; }
.quote-form__status[data-state="success"] { color: var(--aqua); }
.quote-form__status[data-state="error"] { color: #ffb4b4; }
.quote-form__alt { margin-top: 1.5rem; font-size: .95rem; }
.quote-form__alt a { color: #fff; font-weight: 700; text-decoration: underline; }

/* ---- Footer ---- */
.site-footer { background: var(--teal-deep); color: rgba(255,255,255,.75); padding: 3rem 0 2rem; font-size: .95rem; }
.footer__grid { display: grid; gap: 2rem; grid-template-columns: 1.5fr 1fr 1fr; }
.footer__grid h4 { color: #fff; font-size: .95rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1rem; }
.footer__grid a { color: rgba(255,255,255,.75); display: block; margin-bottom: .5rem; }
.footer__grid a:hover { color: var(--aqua); }
.footer__brand { display: flex; align-items: center; gap: .6rem; color: #fff; font-weight: 800; font-size: 1.3rem; margin-bottom: .8rem; }
.footer__legal { border-top: 1px solid rgba(255,255,255,.15); margin-top: 2.5rem; padding-top: 1.5rem; font-size: .8rem; line-height: 1.6; opacity: .75; }
@media (max-width: 720px) { .footer__grid { grid-template-columns: 1fr; } }

/* ---- Mobile nav ---- */
@media (max-width: 860px) {
  .burger { display: block; }
  .nav__links { position: fixed; inset: 62px 0 auto 0; flex-direction: column; align-items: stretch;
    background: #fff; border-bottom: 1px solid var(--line); padding: 1rem 1.5rem 1.5rem; gap: .2rem;
    transform: translateY(-120%); transition: .25s; box-shadow: var(--shadow); margin: 0; }
  .nav[data-open="true"] .nav__links { transform: translateY(0); }
  .nav__links a { padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .nav__cta { margin: .6rem 0 0; }
}