/* ============================================================
   CLATA TELECOM — Global Design System
   Professional Telecom / Integration Site
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Bebas+Neue&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  --navy:    #001A4E;
  --blue:    #0057B8;
  --blue2:   #0070E0;
  --cyan:    #00C2FF;
  --cyan2:   #00EAFF;
  --red:     #E8002A;
  --green:   #00A653;
  --amber:   #F59E0B;
  --white:   #FFFFFF;
  --off:     #F3F6FB;
  --light:   #E8EDF7;
  --mid:     #C8D4EA;
  --text:    #1A2840;
  --muted:   #526480;
  --border:  rgba(0,87,184,0.12);
  --sh:      0 4px 24px rgba(0,26,78,0.09);
  --sh-lg:   0 16px 56px rgba(0,26,78,0.16);
  --mono:    'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 15px; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--white); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }


/* ── Touch & Mobile Optimizations ── */
* { -webkit-tap-highlight-color: transparent; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img { max-width: 100%; height: auto; }
a, button { touch-action: manipulation; }

/* ── LAYOUT ── */
.wrap  { max-width: 1340px; margin: 0 auto; padding: 0 2.2rem; }
.wrap-sm { max-width: 900px; margin: 0 auto; padding: 0 2.2rem; }
.sec  { padding: 5.5rem 0; }
.sec-sm { padding: 3.5rem 0; }
.bg-off   { background: var(--off); }
.bg-dark  { background: var(--navy); color: #fff; }
.bg-mid   { background: linear-gradient(135deg, var(--navy) 0%, #002a6e 100%); color: #fff; }
.bg-black { background: #000d22; color: #fff; }

/* ── TYPOGRAPHY ── */
.eyebrow { font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); margin-bottom: .55rem; display: block; }
.eyebrow-cy { color: var(--cyan) !important; }
.h1 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(2.8rem, 5.5vw, 4.5rem); letter-spacing: .03em; line-height: 1; }
.h2 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(1.9rem, 3.5vw, 2.8rem); letter-spacing: .025em; line-height: 1.05; }
.h3 { font-family: 'Bebas Neue', sans-serif; font-size: clamp(1.3rem, 2vw, 1.8rem); letter-spacing: .02em; }
.h4 { font-size: 1rem; font-weight: 700; color: var(--navy); }
.lead { font-size: 1.05rem; font-weight: 300; line-height: 1.8; color: var(--muted); }
.rule { width: 44px; height: 3px; background: var(--blue); border-radius: 2px; margin: 1rem 0 1.6rem; }
.rule-cy { background: var(--cyan); }
.rule-wh { background: rgba(255,255,255,.4); }

/* ── BUTTONS ── */
.btn { display: inline-flex; align-items: center; gap: .45rem; padding: .78rem 1.7rem; border-radius: 4px; font-weight: 700; font-size: .85rem; cursor: pointer; border: none; font-family: 'Inter', sans-serif; transition: all .18s; letter-spacing: .01em; }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 3px 16px rgba(0,87,184,.35); }
.btn-primary:hover { background: var(--blue2); box-shadow: 0 6px 28px rgba(0,87,184,.45); }
.btn-outline { background: transparent; border: 2px solid var(--blue); color: var(--blue); }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { background: var(--off); }
.btn-ghost { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.18); }
.btn-cyan { background: var(--cyan); color: var(--navy); }
.btn-cyan:hover { background: var(--cyan2); }
.btn-sm { padding: .52rem 1.1rem; font-size: .78rem; }
.btn-lg { padding: 1rem 2.2rem; font-size: .95rem; }

/* ── TAGS / BADGES ── */
.tag { display: inline-block; font-size: .68rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; padding: .22rem .58rem; border-radius: 3px; }
.tag-blue  { background: rgba(0,87,184,.1);  color: var(--blue); }
.tag-cyan  { background: rgba(0,194,255,.12); color: #007aaa; }
.tag-red   { background: rgba(232,0,42,.1);   color: var(--red); }
.tag-green { background: rgba(0,166,83,.1);   color: var(--green); }
.tag-new   { background: var(--red); color: #fff; }
.tag-hot   { background: var(--amber); color: #7c4a00; }

/* ── TOP BAR ── */
#topbar { background: var(--navy); padding: .38rem 0; font-size: .74rem; color: rgba(255,255,255,.65); border-bottom: 1px solid rgba(255,255,255,.06); }
#topbar .wrap { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.tb-left, .tb-right { display: flex; align-items: center; gap: 1.4rem; }
.tb-left a, .tb-right a { color: rgba(255,255,255,.65); transition: color .15s; }
.tb-left a:hover, .tb-right a:hover { color: #fff; }
.tb-phone { color: var(--cyan) !important; font-weight: 700; }
.tb-sep { color: rgba(255,255,255,.2); }

/* ── MAIN NAV ── */
#navbar { position: sticky; top: 0; z-index: 500; background: #fff; border-bottom: 3px solid var(--blue); box-shadow: 0 2px 24px rgba(0,26,78,.1); }
.nav-inner { display: flex; align-items: stretch; max-width: 1340px; margin: 0 auto; padding: 0 2.2rem; }
.nav-logo { display: flex; align-items: center; gap: .85rem; padding: .9rem 1.4rem .9rem 0; border-right: 1px solid var(--border); margin-right: .8rem; text-decoration: none; flex-shrink: 0; }
.logo-sq { width: 46px; height: 46px; background: var(--navy); border-radius: 7px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; }
.logo-sq .ls-big { font-family: 'Bebas Neue', sans-serif; font-size: 1.05rem; color: var(--cyan); letter-spacing: .04em; line-height: 1; }
.logo-sq .ls-sm  { font-size: .38rem; color: rgba(255,255,255,.45); letter-spacing: .14em; text-transform: uppercase; }
.logo-text strong { font-family: 'Bebas Neue', sans-serif; font-size: 1.35rem; letter-spacing: .06em; color: var(--navy); display: block; line-height: 1.1; }
.logo-text em { font-style: normal; font-size: .6rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.nav-menu { display: flex; align-items: stretch; flex: 1; }
.ni { position: relative; }
.nl { display: flex; align-items: center; gap: .28rem; padding: 0 .85rem; height: 100%; font-size: .78rem; font-weight: 600; color: var(--text); text-transform: uppercase; letter-spacing: .02em; border-bottom: 3px solid transparent; transition: all .18s; cursor: pointer; white-space: nowrap; user-select: none; }
.nl:hover, .nl.on { color: var(--blue); border-bottom-color: var(--blue); }
.nl-red { color: var(--red) !important; }
.nl-red:hover { border-bottom-color: var(--red) !important; }
.nl svg { width: 9px; height: 9px; transition: transform .18s; flex-shrink: 0; }
.ni:hover .nl svg { transform: rotate(180deg); }

/* Mega menu */
.mega { display: none; position: absolute; top: calc(100% + 3px); left: 0; background: #fff; border: 1px solid var(--border); border-top: 3px solid var(--blue); box-shadow: var(--sh-lg); border-radius: 0 0 10px 10px; padding: 2rem; z-index: 600; }
.ni:hover .mega { display: grid; }
.mega-3 { grid-template-columns: repeat(3,1fr); gap: 2rem; min-width: 720px; }
.mega-4 { grid-template-columns: repeat(4,1fr); gap: 1.8rem; min-width: 960px; }
.mega-1 { grid-template-columns: 1fr; min-width: 240px; gap: 0; }
.mega-2 { grid-template-columns: repeat(2,1fr); gap: 2rem; min-width: 500px; }
.mc h5 { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); margin-bottom: .8rem; padding-bottom: .4rem; border-bottom: 1px solid var(--border); }
.ml { display: flex; align-items: center; gap: .5rem; padding: .35rem 0; font-size: .8rem; color: var(--text); transition: color .15s; }
.ml:hover { color: var(--blue); }
.ml-dot { width: 5px; height: 5px; background: var(--mid); border-radius: 50%; flex-shrink: 0; transition: background .15s; }
.ml:hover .ml-dot { background: var(--blue); }
.mega-promo { background: var(--navy); border-radius: 8px; padding: 1.4rem; color: #fff; }
.mega-promo h4 { font-family: 'Bebas Neue', sans-serif; font-size: 1.2rem; letter-spacing: .04em; color: var(--cyan); margin-bottom: .5rem; }
.mega-promo p { font-size: .78rem; color: rgba(255,255,255,.6); line-height: 1.6; margin-bottom: 1rem; }

.nav-ctas { display: flex; align-items: center; gap: .6rem; margin-left: auto; padding-left: 1rem; flex-shrink: 0; }

/* ── HERO PATTERNS ── */
.hero-standard { position: relative; overflow: hidden; color: #fff; }
.hero-standard .bg-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,194,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(0,194,255,.06) 1px,transparent 1px); background-size: 52px 52px; animation: gridMove 28s linear infinite; }
@keyframes gridMove { to { background-position: 52px 52px; } }
.hero-standard .bg-glow { position: absolute; border-radius: 50%; background: radial-gradient(circle, rgba(0,194,255,.14) 0%, transparent 70%); pointer-events: none; }
.hero-inner { position: relative; max-width: 1340px; margin: 0 auto; padding: 0 2.2rem; }

/* ── PAGE HERO ── */
.page-hero { background: linear-gradient(118deg, var(--navy) 0%, #002a6e 60%, #004aab 100%); padding: 5rem 0 4rem; }
.ph-breadcrumb { display: flex; align-items: center; gap: .5rem; font-size: .72rem; color: rgba(255,255,255,.45); margin-bottom: 1.4rem; }
.ph-breadcrumb a { color: rgba(255,255,255,.55); }
.ph-breadcrumb a:hover { color: var(--cyan); }
.ph-breadcrumb span { color: rgba(255,255,255,.25); }
.ph-tag { display: inline-flex; align-items: center; gap: .4rem; background: rgba(0,194,255,.12); border: 1px solid rgba(0,194,255,.3); border-radius: 100px; padding: .3rem .9rem; font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); margin-bottom: 1.2rem; }
.ph-tag::before { content: ''; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; animation: blink 1.6s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:1}50%{opacity:.2} }
.ph-h { color: #fff; margin-bottom: 1rem; }
.ph-sub { font-size: 1.05rem; font-weight: 300; color: rgba(255,255,255,.7); line-height: 1.8; max-width: 640px; margin-bottom: 2rem; }
.ph-actions { display: flex; gap: .8rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.ph-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.ph-stat strong { display: block; font-family: 'Bebas Neue', sans-serif; font-size: 1.9rem; letter-spacing: .04em; color: var(--cyan); line-height: 1; }
.ph-stat span { font-size: .72rem; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .07em; }

/* ── SPEC TABLE ── */
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table thead th { background: var(--navy); color: #fff; padding: .85rem 1.1rem; font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-align: left; white-space: nowrap; }
.spec-table tbody td { padding: .72rem 1.1rem; font-size: .83rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.spec-table tbody tr:last-child td { border-bottom: none; }
.spec-table tbody tr:nth-child(even) td { background: rgba(0,87,184,.025); }
.spec-table tbody tr:hover td { background: rgba(0,87,184,.05); }
.spec-table .cat-row td { background: var(--light) !important; font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); }
.td-val { font-weight: 700; color: var(--blue); font-family: var(--mono); font-size: .82rem; }
.td-good { color: var(--green); font-weight: 700; }
.td-ok   { color: var(--amber); font-weight: 700; }
.td-no   { color: var(--muted); }
.td-check::before { content: '✔'; color: var(--green); }

/* ── FEATURE CARDS ── */
.feat-grid { display: grid; gap: 1.4rem; }
.fg-3 { grid-template-columns: repeat(3,1fr); }
.fg-4 { grid-template-columns: repeat(4,1fr); }
.fg-2 { grid-template-columns: repeat(2,1fr); }
.feat-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 1.8rem; position: relative; overflow: hidden; transition: all .22s; }
.feat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform .28s; }
.feat-card:hover::before { transform: scaleX(1); }
.feat-card:hover { border-color: rgba(0,87,184,.3); box-shadow: var(--sh); transform: translateY(-3px); }
.fc-ico { font-size: 2rem; margin-bottom: 1rem; display: block; }
.fc-ico-box { width: 50px; height: 50px; background: var(--off); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 1rem; }
.feat-card h3 { font-size: .97rem; font-weight: 700; color: var(--navy); margin-bottom: .5rem; }
.feat-card p  { font-size: .82rem; color: var(--muted); line-height: 1.65; }
.feat-card ul { margin-top: .8rem; display: flex; flex-direction: column; gap: .38rem; }
.feat-card li { font-size: .79rem; color: var(--text); display: flex; align-items: flex-start; gap: .5rem; }
.feat-card li::before { content: '›'; color: var(--blue); font-weight: 700; flex-shrink: 0; }

/* Dark variant */
.feat-card-dark { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); }
.feat-card-dark::before { background: var(--cyan); }
.feat-card-dark:hover { border-color: rgba(0,194,255,.3); background: rgba(255,255,255,.08); }
.feat-card-dark h3 { color: #fff; }
.feat-card-dark p  { color: rgba(255,255,255,.6); }
.feat-card-dark li { color: rgba(255,255,255,.75); }
.feat-card-dark li::before { color: var(--cyan); }

/* ── SPEC PAIR ── */
.spec-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.spec-pair-3 { grid-template-columns: 1.1fr .9fr; gap: 3.5rem; align-items: start; }
.sp-row { display: flex; justify-content: space-between; align-items: center; padding: .6rem 0; border-bottom: 1px solid var(--border); font-size: .83rem; }
.sp-row:last-child { border-bottom: none; }
.sp-row > span:first-child { color: var(--muted); }
.sp-row > strong { color: var(--navy); font-family: var(--mono); font-size: .8rem; }

/* ── USE CASE BOX ── */
.uc-box { background: var(--navy); border-radius: 10px; padding: 2.2rem; color: #fff; }
.uc-label { font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--cyan); margin-bottom: .6rem; display: block; }
.uc-title { font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; letter-spacing: .04em; margin-bottom: .7rem; }
.uc-body { font-size: .83rem; color: rgba(255,255,255,.65); line-height: 1.75; margin-bottom: 1.2rem; }
.uc-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: .8rem; }
.ucm { background: rgba(255,255,255,.07); border-radius: 6px; padding: .8rem; text-align: center; }
.ucm strong { display: block; font-family: 'Bebas Neue', sans-serif; font-size: 1.6rem; letter-spacing: .04em; color: var(--cyan); }
.ucm span   { font-size: .65rem; color: rgba(255,255,255,.45); text-transform: uppercase; letter-spacing: .07em; }

/* ── TICKER ── */
.ticker-bar { background: var(--blue); overflow: hidden; padding: .58rem 0; }
.ticker-track { display: flex; gap: 3rem; white-space: nowrap; animation: tick 35s linear infinite; font-size: .74rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.75); }
.ticker-track em { color: rgba(255,255,255,.3); font-style: normal; }
@keyframes tick { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ── CTA BANNER ── */
.cta-banner { background: linear-gradient(90deg, var(--navy) 0%, var(--blue) 100%); border-radius: 12px; padding: 3rem 3.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-banner h3 { font-family: 'Bebas Neue', sans-serif; font-size: 2rem; letter-spacing: .04em; color: #fff; margin-bottom: .4rem; }
.cta-banner p  { font-size: .88rem; color: rgba(255,255,255,.65); }
.cta-banner-actions { display: flex; gap: .8rem; flex-wrap: wrap; flex-shrink: 0; }

/* ── CHECKLIST ── */
.checklist { display: flex; flex-direction: column; gap: .55rem; }
.cl-item { display: flex; align-items: flex-start; gap: .75rem; font-size: .84rem; color: var(--text); }
.cl-item::before { content: '✓'; width: 20px; height: 20px; background: var(--blue); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .65rem; font-weight: 700; flex-shrink: 0; margin-top: .05rem; }
.cl-item-dark::before { background: var(--cyan); color: var(--navy); }
.cl-item-dark { color: rgba(255,255,255,.8); }

/* ── NUMBER STEPS ── */
.steps { display: flex; flex-direction: column; gap: 1.5rem; }
.step { display: flex; gap: 1.2rem; align-items: flex-start; }
.step-num { width: 38px; height: 38px; background: var(--blue); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Bebas Neue', sans-serif; font-size: 1.1rem; flex-shrink: 0; }
.step-body h4 { font-weight: 700; font-size: .9rem; color: var(--navy); margin-bottom: .3rem; }
.step-body p  { font-size: .82rem; color: var(--muted); line-height: 1.6; }

/* ── INFO BOX ── */
.info-box { background: rgba(0,87,184,.06); border: 1px solid rgba(0,87,184,.18); border-left: 4px solid var(--blue); border-radius: 0 6px 6px 0; padding: 1.1rem 1.4rem; font-size: .84rem; color: var(--text); line-height: 1.65; }
.info-box strong { color: var(--blue); }
.info-box-warn { border-left-color: var(--amber); background: rgba(245,158,11,.06); border-color: rgba(245,158,11,.2); }
.info-box-warn strong { color: #92400e; }

/* ── MONO CODE ── */
.mono-val { font-family: var(--mono); font-size: .8rem; background: var(--off); border: 1px solid var(--border); border-radius: 3px; padding: .12rem .4rem; color: var(--blue); }

/* ── CONTACT SECTION ── */
.contact-strip { background: var(--navy); padding: 4rem 0; color: #fff; }
.cs-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
.cs-info h3 { font-family: 'Bebas Neue', sans-serif; font-size: 2rem; letter-spacing: .04em; margin-bottom: .6rem; }
.cs-info h3 span { color: var(--cyan); }
.cs-info p { font-size: .88rem; color: rgba(255,255,255,.6); line-height: 1.75; margin-bottom: 1.5rem; }
.cs-contacts { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; }
.cs-c { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.09); border-radius: 6px; padding: .8rem 1rem; }
.cs-c strong { display: block; font-size: .72rem; color: var(--cyan); letter-spacing: .08em; text-transform: uppercase; margin-bottom: .2rem; }
.cs-c a { font-size: .8rem; color: rgba(255,255,255,.55); }
.cs-c a:hover { color: var(--cyan); }
.cs-form { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 10px; padding: 2rem; }
.cf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.cf-g { display: flex; flex-direction: column; gap: .35rem; }
.cf-g label { font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.45); }
.cf-g input, .cf-g select, .cf-g textarea { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 4px; padding: .68rem .95rem; color: #fff; font-family: 'Inter', sans-serif; font-size: .83rem; outline: none; transition: border-color .18s; width: 100%; }
.cf-g input:focus, .cf-g select:focus, .cf-g textarea:focus { border-color: var(--cyan); }
.cf-g textarea { min-height: 100px; resize: vertical; }
.cf-g select option { background: #001240; }
.cf-g.full { grid-column: 1/-1; }
.cf-submit { background: var(--cyan); color: var(--navy); border: none; border-radius: 4px; padding: .85rem; font-family: 'Inter', sans-serif; font-weight: 700; font-size: .9rem; cursor: pointer; transition: all .18s; width: 100%; margin-top: .5rem; }
.cf-submit:hover { background: var(--cyan2); }

/* ── FOOTER ── */
footer { background: #000c1e; color: rgba(255,255,255,.45); padding: 3.5rem 0 1.5rem; }
.ft-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; border-bottom: 1px solid rgba(255,255,255,.07); margin-bottom: 1.5rem; }
.ft-brand p { font-size: .78rem; line-height: 1.7; color: rgba(255,255,255,.38); margin: .8rem 0 1.2rem; max-width: 280px; }
.ft-col h5 { font-size: .7rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.7); margin-bottom: .9rem; }
.ft-col ul { display: flex; flex-direction: column; gap: .48rem; }
.ft-col li a { font-size: .79rem; color: rgba(255,255,255,.38); transition: color .15s; }
.ft-col li a:hover { color: var(--cyan); }
.ft-bottom { display: flex; justify-content: space-between; align-items: center; font-size: .73rem; flex-wrap: wrap; gap: .5rem; }
.ft-bottom a { color: rgba(255,255,255,.3); }
.ft-bottom a:hover { color: var(--cyan); }
.ft-badges { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.ft-badge { background: rgba(0,194,255,.08); border: 1px solid rgba(0,194,255,.18); color: rgba(0,194,255,.7); font-size: .62rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; padding: .2rem .55rem; border-radius: 3px; }

/* ── AI CHAT ── */
.ai-chat { border: 1px solid rgba(0,194,255,.2); border-radius: 10px; overflow: hidden; background: rgba(255,255,255,.03); }
.ai-chat-hdr { display: flex; align-items: center; gap: .8rem; padding: .95rem 1.3rem; border-bottom: 1px solid rgba(0,194,255,.12); background: rgba(0,194,255,.06); }
.ai-av { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--cyan)); display: flex; align-items: center; justify-content: center; font-size: .95rem; flex-shrink: 0; }
.ai-av-info strong { display: block; font-size: .85rem; font-weight: 700; color: #fff; }
.ai-av-info span  { font-size: .7rem; color: var(--cyan); display: flex; align-items: center; gap: .3rem; }
.ai-av-info span::before { content: ''; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; animation: blink 1.6s infinite; }
.ai-msgs { max-height: 340px; overflow-y: auto; padding: 1.1rem; display: flex; flex-direction: column; gap: .7rem; }
.ai-msg { max-width: 88%; padding: .7rem .95rem; border-radius: 6px; font-size: .82rem; line-height: 1.6; }
.ai-msg-bot { background: rgba(0,194,255,.1); border: 1px solid rgba(0,194,255,.18); align-self: flex-start; border-radius: 4px 10px 10px 4px; color: rgba(255,255,255,.85); }
.ai-msg-user { background: rgba(255,255,255,.09); align-self: flex-end; border-radius: 10px 4px 4px 10px; color: rgba(255,255,255,.8); }
.ai-typing { display: flex; gap: 4px; padding: .7rem .95rem; align-self: flex-start; }
.ai-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); opacity: .4; animation: td 1.2s ease-in-out infinite; }
.ai-typing span:nth-child(2) { animation-delay: .2s; }
.ai-typing span:nth-child(3) { animation-delay: .4s; }
@keyframes td { 0%,100%{opacity:.2;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)} }
.ai-input-row { display: flex; gap: .5rem; padding: .85rem 1rem; border-top: 1px solid rgba(0,194,255,.1); background: rgba(0,0,0,.25); }
.ai-input-row input { flex: 1; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.13); border-radius: 4px; padding: .55rem .85rem; color: #fff; font-family: 'Inter', sans-serif; font-size: .82rem; outline: none; }
.ai-input-row input:focus { border-color: var(--cyan); }
.ai-input-row input::placeholder { color: rgba(255,255,255,.28); }
.ai-send { background: var(--blue); border: none; border-radius: 4px; padding: .55rem 1.1rem; color: #fff; font-weight: 700; cursor: pointer; font-size: .8rem; transition: background .18s; }
.ai-send:hover { background: var(--blue2); }

/* ── RESPONSIVE ── */

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET + MOBILE
   ═══════════════════════════════════════════ */

/* ── Hamburger button ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  width: 26px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile drawer ── */
.mob-drawer {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 9000;
  overflow: hidden;
}
.mob-drawer.open { display: block; }
.mob-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,10,30,.65);
  backdrop-filter: blur(4px);
}
.mob-panel {
  position: absolute;
  top: 0; right: 0;
  width: min(340px, 90vw);
  height: 100%;
  background: #fff;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 40px rgba(0,0,0,.2);
  transform: translateX(100%);
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}
.mob-drawer.open .mob-panel { transform: translateX(0); }

.mob-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.2rem;
  border-bottom: 2px solid var(--blue);
  background: var(--navy);
  flex-shrink: 0;
}
.mob-header img { height: 36px; filter: brightness(0) invert(1); }
.mob-close {
  width: 36px; height: 36px;
  background: rgba(255,255,255,.15);
  border: none; border-radius: 50%;
  color: #fff; font-size: 1.3rem;
  cursor: pointer; display: flex;
  align-items: center; justify-content: center;
}

.mob-nav { flex: 1; padding: .5rem 0; }

.mob-section { border-bottom: 1px solid var(--border); }
.mob-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.3rem;
  font-weight: 700;
  font-size: .88rem;
  color: var(--navy);
  cursor: pointer;
  user-select: none;
}
.mob-section-title svg { transition: transform .2s; flex-shrink: 0; }
.mob-section.expanded .mob-section-title svg { transform: rotate(180deg); }
.mob-section-title span { color: var(--blue); font-size: .72rem; font-weight: 600; }

.mob-links { display: none; padding: 0 1.3rem .8rem; }
.mob-section.expanded .mob-links { display: block; }
.mob-link {
  display: block;
  padding: .55rem 0 .55rem .8rem;
  font-size: .82rem;
  color: var(--text);
  text-decoration: none;
  border-left: 2px solid var(--border);
  margin-bottom: .1rem;
  transition: all .15s;
}
.mob-link:hover, .mob-link:active { color: var(--blue); border-left-color: var(--blue); }
.mob-link.highlight { color: var(--blue); font-weight: 700; }
.mob-link.red { color: var(--red); font-weight: 700; }
.mob-link.green { color: var(--green); font-weight: 700; }

.mob-direct-link {
  display: block;
  padding: .9rem 1.3rem;
  font-weight: 600;
  font-size: .88rem;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.mob-footer {
  padding: 1.2rem;
  background: var(--off);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}
.mob-footer-phone {
  font-size: .88rem;
  font-weight: 700;
  color: var(--blue);
  display: block;
  margin-bottom: .5rem;
  text-decoration: none;
}
.mob-footer-email {
  font-size: .8rem;
  color: var(--muted);
  text-decoration: none;
  display: block;
  margin-bottom: 1rem;
}
.mob-ctas { display: flex; gap: .6rem; }
.mob-ctas a { flex: 1; text-align: center; font-size: .8rem; padding: .6rem; }

@media (max-width: 1100px) {
  .fg-4 { grid-template-columns: repeat(2,1fr); }
  .ft-grid { grid-template-columns: 1fr 1fr; }
  .spec-pair, .spec-pair-3 { grid-template-columns: 1fr; gap: 2rem; }
  .usecase-grid { grid-template-columns: repeat(3,1fr) !important; }
}

@media (max-width: 900px) {
  /* Nav — show hamburger, hide desktop menu */
  .nav-menu { display: none !important; }
  .nav-ctas { display: none !important; }
  .nav-hamburger { display: flex; }
  .nav-inner { padding: 0 1rem; justify-content: space-between; }
  .nav-logo img { height: 38px; }

  /* Grids */
  .fg-3, .fg-2 { grid-template-columns: 1fr; }
  .cs-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .uc-metrics { grid-template-columns: 1fr 1fr; }
  .cta-banner { flex-direction: column; text-align: center; }
  .cta-banner-actions { justify-content: center; }
  .sec { padding: 3rem 0; }
  .wrap { padding: 0 1.2rem; }
  .h1 { font-size: clamp(2rem, 7vw, 3.5rem); }
  .h2 { font-size: clamp(1.6rem, 5vw, 2.5rem); }
  .hero-inner { padding: 3rem 1.2rem 2.5rem !important; }
  .ph-stats { gap: 1.2rem; flex-wrap: wrap; }
  .ph-stat strong { font-size: 1.4rem; }
  .ft-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .usecase-grid { grid-template-columns: repeat(2,1fr) !important; }
  .feat-grid.fg-4 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  /* Topbar hidden */
  #topbar { display: none; }

  /* Nav */
  .nav-logo img { height: 34px; }

  /* Typography */
  .h1 { font-size: clamp(1.8rem, 8vw, 2.8rem); line-height: 1.1; }
  .h2 { font-size: clamp(1.4rem, 6vw, 2rem); }
  .lead { font-size: .9rem; }

  /* Sections */
  .sec { padding: 2.5rem 0; }
  .sec-sm { padding: 1.5rem 0; }
  .wrap { padding: 0 1rem; }

  /* Hero */
  .page-hero { min-height: auto !important; }
  .hero-inner { padding: 2.5rem 1rem 2rem !important; }
  .ph-actions { flex-direction: column; gap: .6rem; }
  .ph-actions .btn { width: 100%; justify-content: center; text-align: center; }
  .ph-stats { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
  .ph-stat strong { font-size: 1.2rem; }
  .ph-stat span { font-size: .68rem; }
  .ph-tag { font-size: .7rem; padding: .3rem .7rem; }

  /* Grids */
  .fg-2, .fg-3, .fg-4 { grid-template-columns: 1fr !important; }
  .feat-grid { grid-template-columns: 1fr !important; }
  .usecase-grid { grid-template-columns: 1fr !important; }
  .uc-metrics { grid-template-columns: 1fr 1fr; }
  .market-grid { grid-template-columns: 1fr !important; }

  /* Footer */
  .ft-grid { grid-template-columns: 1fr !important; gap: 1.5rem; }
  .ft-bottom { flex-direction: column; gap: .4rem; text-align: center; font-size: .72rem; }

  /* Contact form */
  .cf-row { grid-template-columns: 1fr !important; }
  .cs-contacts { grid-template-columns: 1fr !important; }

  /* Cards */
  .feat-card { padding: 1.2rem; }
  .cta-banner { padding: 1.5rem; }
  .info-box { padding: 1rem 1.2rem; }

  /* Buttons */
  .btn-lg { padding: .75rem 1.4rem; font-size: .85rem; }
  .btn { font-size: .8rem; }

  /* Ticker */
  .ticker-bar { font-size: .72rem; }

  /* Tables - horizontal scroll */
  .price-table { font-size: .75rem; }
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
}

@media (max-width: 400px) {
  .wrap { padding: 0 .8rem; }
  .h1 { font-size: 1.7rem; }
  .ph-stats { grid-template-columns: 1fr 1fr; }
  .mob-panel { width: 100vw; }
}