/* Innowave — site styles
   Palette: ink #111 (logo black) · wave #00AEEF (logo cyan) · deep #0A7FB5 (links on white)
            mist #F2F8FB · line #D6E3EA · slate #55626E · night #0C1A24 */
:root {
  --ink: #111111;
  --wave: #00AEEF;
  --deep: #0A7FB5;
  --mist: #F2F8FB;
  --line: #D6E3EA;
  --slate: #55626E;
  --night: #0C1A24;
  --paper: #FFFFFF;
  --font: "Outfit", "Segoe UI", system-ui, sans-serif;
  --wrap: 1160px;
  --gutter: 24px;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font); font-size: 17px; line-height: 1.6; font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--deep); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--wave); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, h4 { font-weight: 500; line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
.lead { font-size: 1.2rem; color: var(--slate); max-width: 38em; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* ---------- header ---------- */
.site-head { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.head-row { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.brand img { width: 150px; height: auto; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a { color: var(--ink); padding: 8px 14px; border-radius: 999px; font-weight: 500; font-size: 1rem; }
.nav a:hover { background: var(--mist); text-decoration: none; }
.nav a[aria-current="page"] { background: var(--ink); color: #fff; }
.nav .lang { margin-left: 10px; border: 1.5px solid var(--line); color: var(--deep); font-size: .9rem; padding: 6px 12px; letter-spacing: .04em; }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; position: relative; cursor: pointer; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after { position: absolute; left: 10px; width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; content: ""; transition: transform .2s; }
.nav-toggle-bar { top: 21px; }
.nav-toggle-bar::before { top: -8px; left: 0; } .nav-toggle-bar::after { top: 8px; left: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-8px) rotate(-45deg); }
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 76px; flex-direction: column; align-items: stretch; background: #fff; border-bottom: 1px solid var(--line); padding: 10px var(--gutter) 18px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; border-radius: 10px; }
  .nav .lang { margin: 8px 0 0; align-self: flex-start; }
}

/* ---------- buttons & links ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 999px; font-weight: 500; font-size: 1rem; border: 1.5px solid transparent; cursor: pointer; font-family: inherit; line-height: 1.2; transition: background .15s, color .15s, border-color .15s; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--wave); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-light { background: #fff; color: var(--night); }
.btn-light:hover { background: var(--wave); color: var(--ink); }
.btn-small { padding: 9px 16px; font-size: .95rem; background: var(--mist); color: var(--ink); border-color: var(--line); }
.btn-small:hover { border-color: var(--wave); background: #fff; }
.link { font-weight: 500; color: var(--deep); }
.link-lg { font-size: 1.15rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.tag { display: inline-block; vertical-align: middle; font-size: .8rem; font-weight: 500; color: var(--deep); background: var(--mist); border: 1px solid var(--line); border-radius: 999px; padding: 2px 10px; margin-left: 8px; letter-spacing: .01em; }
.tag-lg { font-size: 1rem; padding: 10px 18px; margin: 0; }

/* ---------- hero ---------- */
.hero { padding: 56px 0 24px; position: relative; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(2.3rem, 5.4vw, 3.9rem); max-width: 14em; }
.hero .lead { font-size: 1.25rem; }
.hero-art svg { width: 100%; height: auto; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 14px 40px; margin: 40px auto 0; padding-top: 22px; border-top: 1px solid var(--line); color: var(--slate); font-size: 1rem; }
.hero-facts strong { color: var(--ink); font-weight: 600; font-size: 1.25rem; margin-right: 6px; }
@media (max-width: 820px) {
  .hero { padding-top: 32px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; margin: 0 auto; order: -1; }
  .hero-art svg { max-height: 220px; }
}

/* ---------- sections ---------- */
.section { padding: 80px 0; }
.section-tight { padding: 48px 0; }
.section-head { max-width: 42em; margin-bottom: 40px; }
.section-head p { color: var(--slate); font-size: 1.1rem; }
.band-dark { background: var(--night); color: #fff; }
.band-dark h2, .band-dark h3 { color: #fff; }
.band-dark .lead { color: #B9C7D1; }
.band-dark a:not(.btn) { color: var(--wave); }
.band-mist { background: var(--mist); }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 40px 64px; }
.h-small { font-size: 1.1rem; color: var(--slate); font-weight: 500; margin-bottom: 20px; }
@media (max-width: 820px) { .section { padding: 56px 0; } .two-col { grid-template-columns: 1fr; gap: 24px; } }

/* product families (home) */
.family { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 24px 64px; padding: 40px 0; border-top: 1px solid var(--line); }
.family:last-child { padding-bottom: 0; }
.family-intro h3, .family-intro h2 { font-size: 1.5rem; position: relative; padding-left: 26px; }
.family-intro h3::before, .family-intro h2::before { content: ""; position: absolute; left: 0; top: .42em; width: 14px; height: 14px; border-radius: 50%; background: var(--wave); }
.family-intro p { color: var(--slate); padding-left: 26px; }
.family-list { list-style: none; margin: 0; padding: 0; }
.entry { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.entry:last-child { border-bottom: 0; }
.entry h4 { margin: 0 0 4px; font-size: 1.3rem; }
.entry h4 a { color: var(--ink); }
.entry p { margin: 0; color: var(--slate); }
.entry-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; flex-wrap: wrap; }
@media (max-width: 820px) {
  .family { grid-template-columns: 1fr; gap: 12px; }
  .entry { flex-direction: column; gap: 12px; }
}

/* product cards (products page) */
.family-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.pcard { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; display: flex; flex-direction: column; }
.pcard-img { display: block; aspect-ratio: 14 / 9; background: var(--mist); overflow: hidden; }
.pcard-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.pcard-body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.pcard-body h3 { margin: 0; }
.pcard-body h3 a { color: var(--ink); }
.pcard-body p { color: var(--slate); margin: 0; flex: 1; }

/* page head & product detail */
.page-head { padding: 56px 0 24px; }
.page-head h1 { max-width: 16em; }
.crumbs { color: var(--slate); font-size: .95rem; margin-bottom: 12px; }
.crumbs span { margin: 0 6px; color: var(--line); }
.product-figure { margin: 24px 0 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--mist); }
.product-figure img { width: 100%; max-height: 520px; object-fit: cover; object-position: top; }
.prose { max-width: 40em; font-size: 1.08rem; }
.prose p { margin-bottom: 1.1em; }
.prose h2 { font-size: 1.4rem; margin-top: 1.8em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.4em; }
.prose ul { padding-left: 1.2em; }
.prose-legal { max-width: 46em; font-size: 1rem; }
.prose-legal address { font-style: normal; }
.features h2 { font-size: 1.1rem; color: var(--slate); font-weight: 500; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { position: relative; padding: 8px 0 8px 30px; border-bottom: 1px solid var(--line); }
.check-list li::before { content: ""; position: absolute; left: 2px; top: 16px; width: 12px; height: 12px; border-radius: 50%; background: var(--wave); }
.aside-links { margin-top: 18px; }
.chips { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px 8px 10px; background: #fff; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); font-weight: 500; font-size: .95rem; }
.chips a:hover { border-color: var(--wave); text-decoration: none; }
.chips img { width: 28px; height: 22px; object-fit: contain; }
.more-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.more-list a { display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); }
.more-list a:hover { border-color: var(--wave); text-decoration: none; }
.more-list strong { display: block; font-weight: 500; }
.more-list span { display: block; color: var(--slate); font-size: .95rem; }

/* enterprise band & lists */
.band-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 40px 64px; align-items: center; }
.band-list { list-style: none; margin: 0; padding: 0; font-size: 1.2rem; }
.band-list li { padding: 14px 0 14px 30px; border-top: 1px solid rgba(255,255,255,.15); position: relative; }
.band-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.15); }
.band-list li::before { content: ""; position: absolute; left: 0; top: 24px; width: 12px; height: 12px; border-radius: 50%; background: var(--wave); }
@media (max-width: 820px) { .band-grid { grid-template-columns: 1fr; } }
.def-list { margin: 0; }
.def-list > div { padding: 22px 0; border-top: 1px solid var(--line); }
.def-list > div:last-child { border-bottom: 1px solid var(--line); }
.def-list dt { font-size: 1.25rem; font-weight: 500; margin-bottom: 6px; }
.def-list dd { margin: 0; color: var(--slate); max-width: 40em; }
.band-mist .def-list > div { border-color: #DCE8EF; }
.steps { list-style: none; counter-reset: step; margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.steps li { counter-increment: step; border-top: 2px solid var(--wave); padding-top: 18px; }
.steps li::before { content: counter(step); display: inline-block; font-weight: 500; color: var(--wave); margin-bottom: 10px; font-size: 1.1rem; }
.steps h3 { font-size: 1.25rem; }
.steps p { color: #B9C7D1; margin: 0; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }

/* cta row */
.cta-row { display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap; }
.cta-row h2 { margin-bottom: 6px; }
.cta-row p { margin: 0; color: var(--slate); }
.cta-contact { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

/* contact & about */
.addr { font-style: normal; }
.addr p { margin-bottom: 18px; }
.addr-label { display: block; font-size: .9rem; color: var(--slate); }
.contact-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); }
.form { max-width: 560px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 500; margin-bottom: 6px; }
.field input, .field textarea { width: 100%; font: inherit; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--wave); box-shadow: 0 0 0 3px rgba(0,174,239,.2); }
.field.is-invalid input, .field.is-invalid textarea { border-color: #C8322B; }
.field small { display: block; color: #C8322B; margin-top: 4px; }
.hp { position: absolute; left: -9999px; }
.notice { padding: 14px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 500; }
.notice-ok { background: #E6F7EE; color: #0F6B3A; }
.notice-err { background: #FDECEB; color: #9B2520; }

/* ---------- footer ---------- */
.site-foot { background: var(--night); color: #B9C7D1; margin-top: 0; }
.foot-wave { display: block; width: 100%; height: 80px; background: var(--paper); }
.band-mist + .site-foot .foot-wave { background: var(--mist); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-top: 48px; padding-bottom: 32px; }
.foot-brand img { width: 150px; margin-bottom: 16px; }
.foot-brand p { margin: 0 0 6px; font-size: .95rem; }
.foot-addr { color: #7F93A2; }
.site-foot h2 { font-size: .95rem; color: #fff; font-weight: 500; margin-bottom: 12px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 6px; font-size: .95rem; }
.site-foot a { color: #B9C7D1; }
.site-foot a:hover { color: var(--wave); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 28px; border-top: 1px solid rgba(255,255,255,.1); font-size: .9rem; color: #7F93A2; }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }