/* ============================================================
   CobaltSail — site styles
   Palette: Cobalt #0A48C2 · Deep Cobalt #06246B · Graphite #11161F
            Steel #5A6573 · Mist #EEF2F8 · Ice #CFE0FF · White #FFFFFF
   Type: Sora (display) · Inter (body)
   ============================================================ */

:root {
  --cobalt: #0A48C2;
  --cobalt-deep: #06246B;
  --cobalt-bright: #2C63E0;
  --graphite: #11161F;
  --steel: #5A6573;
  --mist: #EEF2F8;
  --ice: #CFE0FF;
  --white: #FFFFFF;

  --maxw: 1140px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(6, 36, 107, 0.10);
  --shadow-lg: 0 20px 50px rgba(6, 36, 107, 0.16);

  --font-display: 'Sora', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { max-width: 100%; display: block; }

a { color: var(--cobalt); text-decoration: none; }
a:hover { color: var(--cobalt-deep); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.center { text-align: center; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--cobalt); color: #fff; padding: 10px 16px; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn--primary { background: var(--cobalt); color: #fff; box-shadow: 0 8px 20px rgba(10, 72, 194, .28); }
.btn--primary:hover { background: var(--cobalt-deep); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.55); }
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--cobalt-deep); box-shadow: var(--shadow); }
.btn--light:hover { background: var(--ice); color: var(--cobalt-deep); transform: translateY(-2px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(17,22,31,.07);
}
.nav__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.nav__brand { display: flex; align-items: center; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a {
  font-family: var(--font-display); font-weight: 500; font-size: .96rem; color: var(--graphite);
}
.nav__links a:hover { color: var(--cobalt); }
.nav__cta { padding: 10px 20px; font-size: .95rem; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero__media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(6,16,40,.74) 0%, rgba(6,16,40,.42) 42%, rgba(6,16,40,0) 72%),
    linear-gradient(0deg, rgba(6,16,40,.34) 0%, rgba(6,16,40,0) 40%);
}
.hero__content { position: relative; z-index: 2; padding: 96px 24px; color: #fff; max-width: 760px; }
.hero__eyebrow {
  font-family: var(--font-display); font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  font-size: .8rem; color: var(--ice); margin: 0 0 18px;
}
.hero__title {
  font-family: var(--font-display); font-weight: 800; line-height: 1.04;
  font-size: clamp(2.6rem, 6vw, 4.6rem); margin: 0 0 22px; letter-spacing: -1.5px;
}
.hero__sub { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: rgba(255,255,255,.92); max-width: 600px; margin: 0 0 34px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Sections ---------- */
.section { padding: 92px 0; }
.section--mist { background: var(--mist); }
.section--deep { background: linear-gradient(135deg, var(--cobalt-deep) 0%, var(--cobalt) 100%); color: #fff; }

.kicker {
  font-family: var(--font-display); font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  font-size: .8rem; color: var(--cobalt); margin: 0 0 14px;
}
.kicker--light { color: var(--ice); }

.section__title {
  font-family: var(--font-display); font-weight: 700; line-height: 1.12;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem); letter-spacing: -.8px; margin: 0 0 22px; color: var(--graphite);
}
.section__title--light { color: #fff; }

.lead { font-size: clamp(1.1rem, 1.5vw, 1.35rem); color: var(--steel); margin: 0; }
.lead--light { color: rgba(255,255,255,.9); }
.section--deep .lead { color: rgba(255,255,255,.9); }

/* ---------- Service cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 40px; }
.card {
  background: #fff; border: 1px solid rgba(17,22,31,.07); border-radius: var(--radius);
  padding: 32px 30px; box-shadow: var(--shadow); transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card__title {
  font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; margin: 0 0 12px; color: var(--cobalt-deep);
}
.card p { margin: 0; color: var(--steel); }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.step { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 30px 26px; }
.step__num { font-family: var(--font-display); font-weight: 800; font-size: 1rem; color: var(--ice); letter-spacing: .1em; }
.step__title { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; margin: 10px 0 10px; color: #fff; }
.step p { margin: 0; color: rgba(255,255,255,.86); }

/* ---------- Checks ---------- */
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; font-size: 1.05rem; color: var(--graphite); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 18px; height: 18px;
  background: var(--cobalt); border-radius: 50%;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center / 13px no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center / 13px no-repeat;
}

/* ---------- FAQ ---------- */
.faq { margin-top: 36px; display: grid; gap: 14px; }
.faq__item {
  background: #fff; border: 1px solid rgba(17,22,31,.08); border-radius: var(--radius); padding: 6px 24px;
  box-shadow: var(--shadow);
}
.faq__item summary {
  font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; color: var(--graphite);
  cursor: pointer; padding: 18px 0; list-style: none; position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--cobalt); font-weight: 400;
}
.faq__item[open] summary::after { content: "\2013"; }
.faq__item p { margin: 0 0 18px; color: var(--steel); }

/* ---------- Contact ---------- */
.contact .lead { margin: 0 auto 30px; }

/* ---------- Contact form ---------- */
.form {
  background: #fff; border: 1px solid rgba(17,22,31,.08); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 40px; max-width: 720px; margin: 0 auto;
}
.form__title {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -.5px;
  font-size: clamp(1.5rem, 3vw, 2rem); color: var(--graphite); margin: 0 0 10px;
}
.form__intro { color: var(--steel); margin: 0 0 6px; }
.form__req { color: var(--steel); font-size: .9rem; margin: 0 0 26px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.form__field { display: flex; flex-direction: column; margin-bottom: 18px; }
.form__row .form__field { margin-bottom: 0; }
.form__field label {
  font-family: var(--font-display); font-weight: 600; font-size: .95rem;
  color: var(--graphite); margin-bottom: 8px;
}
.form__field input, .form__field textarea {
  font-family: var(--font-body); font-size: 1rem; color: var(--graphite);
  background: var(--white); border: 1.5px solid rgba(17,22,31,.14); border-radius: 10px;
  padding: 13px 15px; width: 100%;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form__field input::placeholder, .form__field textarea::placeholder { color: #9aa3b0; }
.form__field input:focus, .form__field textarea:focus {
  outline: none; border-color: var(--cobalt); box-shadow: 0 0 0 3px rgba(10,72,194,.16);
}
.form__field textarea { resize: vertical; min-height: 130px; }
.form__field input:user-invalid, .form__field textarea:user-invalid { border-color: #c0392b; }
.form__submit { margin-top: 8px; border: none; font-size: 1.02rem; }
.form__alt { color: var(--steel); font-size: .95rem; margin: 18px 0 0; }

/* ---------- Footer ---------- */
.footer { background: var(--graphite); color: #fff; padding: 50px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__meta { text-align: right; }
.footer__meta p { margin: 2px 0; color: rgba(255,255,255,.72); font-size: .92rem; }
.footer__legal { color: rgba(255,255,255,.5) !important; margin-top: 10px !important; }
.footer__nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer__nav a { font-family: var(--font-display); font-weight: 500; font-size: .95rem; color: rgba(255,255,255,.82); }
.footer__nav a:hover { color: #fff; }

/* ---------- Subpage hero / banner ---------- */
.page-hero { background: linear-gradient(135deg, var(--cobalt-deep) 0%, var(--cobalt) 100%); color: #fff; padding: 132px 0 80px; }
.page-hero .kicker { color: var(--ice); }
.page-hero h1 { font-family: var(--font-display); font-weight: 800; letter-spacing: -1.2px; line-height: 1.08; font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 0 0 18px; overflow-wrap: break-word; }
.page-hero p { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: rgba(255,255,255,.9); max-width: 660px; margin: 0; }

/* ---------- Rich text (subpages) ---------- */
.rich { max-width: 760px; }
.rich p { color: var(--steel); font-size: 1.08rem; margin: 0 0 18px; }
.rich h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; color: var(--cobalt-deep); margin: 34px 0 10px; }
.cards-more { margin-top: 34px; }

/* ---------- Detailed service blocks ---------- */
.svc { padding: 34px 32px; border: 1px solid rgba(17,22,31,.08); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); margin-top: 22px; }
.svc h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; color: var(--cobalt-deep); margin: 0 0 6px; }
.svc .svc__out { font-weight: 600; color: var(--graphite); margin: 0 0 12px; }
.svc p { color: var(--steel); margin: 0 0 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { min-height: 88vh; }
  .page-hero { padding: 108px 0 58px; }
  .form { padding: 28px 22px; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .form__row .form__field { margin-bottom: 18px; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
  .footer__meta { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}