/* Optimum company home page. Visual language follows the shared system in
   css/style.css (teal brand, slate neutrals, 14px radii, soft shadows). */

:root {
  --brand: #0e9f8a;
  --brand-dark: #0b7d6d;
  --brand-deep: #096355;
  --brand-ink: #06322b;
  --ink: #0f172a;
  --body: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --tint: #f1f5f9;
  --teal-tint: #e7f6f2;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(6, 50, 43, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--card);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--brand-dark); }

.container { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--brand-ink); color: #fff; padding: 10px 16px;
  border-radius: 0 0 10px 0; z-index: 100; font-weight: 700; font-size: 14px;
}
.skip:focus { left: 0; }

:focus-visible { outline: 3px solid var(--brand-dark); outline-offset: 2px; border-radius: 6px; }

[id] { scroll-margin-top: 84px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: 12px; border: 1.5px solid transparent;
  font-size: 14px; font-weight: 700; text-decoration: none; cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease, transform .1s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-solid { background: var(--brand-dark); color: #fff; }
.btn-solid:hover { background: var(--brand-deep); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand-dark); }
.btn-lg { padding: 13px 24px; font-size: 15px; border-radius: 13px; }

/* ---------- Header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.head-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark {
  width: 38px; height: 38px; border-radius: 11px; background: var(--brand-dark);
  color: #fff; display: flex; align-items: center; justify-content: center; flex: 0 0 auto;
}
.logo-word { font-size: 18px; font-weight: 800; letter-spacing: -0.02em; }
.nav { display: flex; gap: 24px; margin-left: 8px; }
.nav a {
  text-decoration: none; color: #334155; font-size: 14px; font-weight: 600;
  padding: 6px 2px; border-radius: 8px;
}
.nav a:hover { color: var(--brand-dark); }
.head-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.nav-toggle {
  display: none; margin-left: auto;
  width: 42px; height: 42px; border-radius: 10px; border: 1.5px solid var(--line);
  background: #fff; color: var(--ink); cursor: pointer;
  align-items: center; justify-content: center;
}
@media (max-width: 860px) {
  .head-in { flex-wrap: wrap; height: auto; min-height: 68px; padding-top: 12px; padding-bottom: 12px; row-gap: 8px; }
  .nav, .head-actions { display: none; }
  .nav-toggle { display: inline-flex; }
  .site-head.open .nav {
    display: flex; flex-direction: column; gap: 2px;
    order: 3; flex-basis: 100%; margin: 0; padding-bottom: 6px;
  }
  .site-head.open .nav a { padding: 11px 8px; font-size: 15px; }
  .site-head.open .head-actions {
    display: flex; flex-direction: column; align-items: stretch; gap: 10px;
    order: 4; flex-basis: 100%; margin: 0; padding-bottom: 6px;
  }
  .site-head.open .head-actions .btn { width: 100%; }
}

/* ---------- Hero ---------- */
.hero { padding: 76px 0 60px; overflow: hidden; }
.hero-in {
  display: grid; grid-template-columns: 1.04fr 0.96fr;
  gap: 56px; align-items: center;
}
.hero-title {
  margin: 0 0 16px; font-size: clamp(34px, 4.6vw, 52px);
  font-weight: 800; letter-spacing: -0.025em; line-height: 1.08;
}
.hero-sub { margin: 0; font-size: 17px; color: var(--body); max-width: 34em; }
.hero-ctas { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.hero-media { position: relative; }
.hero-backdrop {
  position: absolute; inset: 26px -18px -18px 26px;
  background: var(--teal-tint); border-radius: 20px;
}
.hero-photo {
  position: relative; width: 100%; aspect-ratio: 16 / 10; object-fit: cover;
  border-radius: 18px; box-shadow: var(--shadow-lg); background: var(--tint);
}
@media (max-width: 960px) {
  .hero { padding: 52px 0 48px; }
  .hero-in { grid-template-columns: 1fr; gap: 36px; }
  .hero-backdrop { inset: 20px -12px -12px 20px; }
}

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section.tinted { background: var(--tint); }
.section-head { max-width: 640px; margin-bottom: 36px; }
.section-head h2 {
  margin: 0 0 10px; font-size: clamp(26px, 3vw, 32px);
  font-weight: 800; letter-spacing: -0.02em; line-height: 1.15;
}
.section-head p { margin: 0; font-size: 15.5px; color: var(--body); }

/* ---------- Services grid (asymmetric) ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px; }
.svc {
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.svc:hover { border-color: #bfe5db; box-shadow: var(--shadow); transform: translateY(-2px); }
.svc-icon {
  width: 42px; height: 42px; border-radius: 12px; background: var(--teal-tint);
  color: var(--brand-dark); display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.svc h3 { margin: 0 0 8px; font-size: 16.5px; font-weight: 750; letter-spacing: -0.01em; }
.svc p { margin: 0; font-size: 14px; color: var(--body); }
.svc.dark { background: var(--brand-ink); border-color: var(--brand-ink); }
.svc.dark h3 { color: #fff; }
.svc.dark p { color: #b9d4cd; }
.svc.dark .svc-icon { background: rgba(255, 255, 255, 0.12); color: #7ee0cc; }
.svc.dark:hover { border-color: #0d4a40; box-shadow: var(--shadow-lg); }
.svc.tint { background: var(--tint); border-color: transparent; }
.svc.tint:hover { border-color: var(--line); }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
@media (max-width: 960px) {
  .span-5, .span-6, .span-7 { grid-column: span 12; }
}
@media (min-width: 640px) and (max-width: 960px) {
  .span-6, .span-5 { grid-column: span 6; }
  .span-7 { grid-column: span 12; }
}

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { border-top: 2px solid var(--brand); padding-top: 18px; }
.step-num {
  font-size: 44px; font-weight: 800; letter-spacing: -0.03em;
  color: #8fd0bd; line-height: 1; margin-bottom: 10px;
}
.step h3 { margin: 0 0 6px; font-size: 15.5px; font-weight: 750; }
.step p { margin: 0; font-size: 14px; color: var(--body); }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; gap: 20px; } }

/* ---------- About ---------- */
.about-body { max-width: 720px; }
.about-body p { margin: 0 0 16px; font-size: 16px; color: var(--body); }
.about-body p:last-child { margin-bottom: 0; }

/* ---------- Login section ---------- */
.doors { display: flex; flex-direction: column; gap: 12px; max-width: 780px; }
.door {
  display: flex; align-items: center; gap: 18px;
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; text-decoration: none; color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}
.door:hover { border-color: var(--brand); box-shadow: var(--shadow); transform: translateY(-2px); }
.door-icon {
  width: 46px; height: 46px; border-radius: 12px; background: var(--teal-tint);
  color: var(--brand-dark); display: flex; align-items: center; justify-content: center;
  flex: 0 0 auto;
}
.door-txt { min-width: 0; }
.door-txt h3 { margin: 0 0 3px; font-size: 15.5px; font-weight: 750; }
.door-txt p { margin: 0; font-size: 13.5px; color: var(--body); }
.door-go { margin-left: auto; color: var(--brand-dark); flex: 0 0 auto; }
.signup-line {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  margin-top: 22px; padding: 20px 22px;
  background: var(--teal-tint); border-radius: var(--radius);
}
.signup-line p { margin: 0; font-size: 15px; color: var(--ink); font-weight: 600; }
.signup-line .btn { margin-left: auto; }
@media (max-width: 560px) {
  .door { align-items: flex-start; }
  .door-go { display: none; }
  .signup-line .btn { margin-left: 0; }
}

/* ---------- Footer ---------- */
.site-foot { border-top: 1px solid var(--line); background: var(--tint); padding: 52px 0 0; }
.foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; padding-bottom: 40px;
}
.foot-brand p { margin: 12px 0 0; font-size: 14px; color: var(--body); max-width: 30em; }
.foot-col h3 {
  margin: 4px 0 12px; font-size: 12px; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--body);
}
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.foot-col a { text-decoration: none; font-size: 14px; color: #334155; font-weight: 600; }
.foot-col a:hover { color: var(--brand-dark); }
.foot-col .contact-line { font-size: 14px; color: var(--body); }
.foot-bottom {
  border-top: 1px solid var(--line); padding: 18px 0;
  font-size: 13px; color: var(--body);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

/* Language switcher (EN / SW) */
.lang-sw {
  display: inline-flex; align-self: center;
  border: 1px solid var(--line); border-radius: 999px; overflow: hidden;
  background: #fff;
}
.lang-sw a {
  padding: 6px 11px; font-size: 12px; font-weight: 700; letter-spacing: 0.04em;
  color: #475569; text-decoration: none;
}
.lang-sw a + a { border-left: 1px solid var(--line); }
.lang-sw a:hover { color: var(--brand-dark); }
.lang-sw a.on { background: var(--brand-ink); color: #ffffff; }
.foot-right { display: inline-flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.foot-right .lang-sw { background: transparent; }
@media (max-width: 720px) { .foot-grid { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- Page-load motion (CSS only, reduced-motion aware) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .fade-up { animation: fadeUp 0.7s cubic-bezier(0.16, 1, 0.3, 1) both; }
  .d1 { animation-delay: 0.07s; }
  .d2 { animation-delay: 0.14s; }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
  }
}