/*
Theme Name: ERV Digital — AI Studio
Theme URI: https://erv.digital/
Author: ERV Digital
Description: Dark technical WordPress theme for a digital product studio. Includes service landing pages, editable media and contact settings, Telegram lead delivery and configurable anti-spam controls.
Version: 1.0.0
Requires at least: 6.2
Tested up to: 6.7
Requires PHP: 7.4
Text Domain: erv-digital
*/

:root {
  --erv-bg: #090d0f;
  --erv-panel: #101719;
  --erv-panel-2: #151e20;
  --erv-border: rgba(224, 241, 238, .16);
  --erv-text: #f2f5ef;
  --erv-muted: #a0adaa;
  --erv-green: #55ed8a;
  --erv-orange: #ff7c45;
  --erv-blue: #69bdf4;
  --erv-heading: "Arial", "Helvetica Neue", sans-serif;
  --erv-body: "Inter", "Segoe UI", Arial, sans-serif;
  --erv-content: 1220px;
  --erv-radius: 8px;
  --site-primary: #55ED8A;
  --site-secondary: #FF7C45;
  --site-background: #090D0F;
  --site-on-primary: #07110A;
  --site-on-secondary: #190B06;
  --site-on-background: #F2F5EF;
  --site-font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --site-font-heading: "Arial", "Helvetica Neue", sans-serif;
  --site-heading-scale: 1;
  --site-spacing-scale: 1;
  --site-radius-scale: 1;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--erv-bg); color: var(--erv-text); font-family: var(--erv-body); font-size: 16px; line-height: 1.65; }
body, button, input, textarea, select { font-family: var(--erv-body); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--erv-green); color: #08100b; }

.erv-site { min-height: 100vh; overflow: hidden; background-color: light-dark(var(--erv-bg), var(--erv-bg)); background-image: linear-gradient(rgba(151, 184, 173, .055) 1px, transparent 1px), linear-gradient(90deg, rgba(151, 184, 173, .055) 1px, transparent 1px); background-size: 40px 40px; }
.erv-container { width: min(var(--erv-content), calc(100% - 48px)); margin-inline: auto; }
.erv-muted { color: var(--erv-muted); }
.erv-eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--erv-green); font: 700 11px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .14em; text-transform: uppercase; }
.erv-eyebrow:before { content: ""; width: 22px; height: 1px; background: currentColor; }
.erv-section { padding: 108px 0; position: relative; }
.erv-section-head { display: flex; gap: 32px; justify-content: space-between; align-items: end; margin-bottom: 42px; }
.erv-section-head h2 { max-width: 720px; margin: 14px 0 0; font: 750 clamp(32px, 4.4vw, 56px)/1.04 var(--erv-heading); letter-spacing: -.045em; }
.erv-section-head p { max-width: 390px; margin: 0; color: var(--erv-muted); }
.erv-btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 13px 20px; border: 1px solid var(--erv-green); border-radius: 3px; background: var(--erv-green); color: #07110a; font-weight: 800; font-size: 13px; transition: transform .2s ease, background .2s ease, color .2s ease; cursor: pointer; }
.erv-btn:hover { transform: translateY(-2px); background: #7dffa8; color: #07110a; }
.erv-btn--outline { background: transparent; color: var(--erv-text); border-color: rgba(224,241,238,.28); }
.erv-btn--outline:hover { border-color: var(--erv-green); color: var(--erv-green); background: rgba(85,237,138,.06); }
.erv-btn--orange { background: var(--erv-orange); border-color: var(--erv-orange); }
.erv-header { position: relative; z-index: 50; border-bottom: 1px solid var(--erv-border); background: rgba(9,13,15,.9); backdrop-filter: blur(18px); }
.erv-header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 82px; gap: 28px; }
.erv-logo { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 900; letter-spacing: -.05em; font-size: 20px; }
.erv-logo-mark { display: grid; width: 32px; height: 32px; place-items: center; border: 1px solid var(--erv-green); color: var(--erv-green); font: 800 14px/1 ui-monospace, monospace; transform: rotate(45deg); }
.erv-logo-mark span { transform: rotate(-45deg); }
.erv-logo small { display: block; color: var(--erv-muted); font: 700 9px/1.5 ui-monospace, monospace; letter-spacing: .18em; }
.erv-logo img { max-width: 180px; max-height: 54px; object-fit: contain; }
.erv-nav { display: flex; align-items: center; gap: clamp(16px, 2.3vw, 32px); margin-left: auto; }
.erv-nav a { color: #c5ceca; font-size: 12px; font-weight: 650; transition: color .2s; }
.erv-nav a:hover, .erv-nav .current-menu-item > a { color: var(--erv-green); }
.erv-header-actions { display: flex; align-items: center; gap: 12px; }
.erv-language { color: var(--erv-muted); font-size: 11px; }
.erv-language a { padding: 4px; }
.erv-language a:hover { color: var(--erv-green); }
.erv-menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--erv-border); color: var(--erv-text); background: transparent; cursor: pointer; }

.erv-hero { padding: 76px 0 72px; position: relative; }
.erv-hero:before { content: ""; position: absolute; z-index: 0; inset: 10% -20% auto auto; width: 46vw; height: 46vw; max-width: 600px; max-height: 600px; border-radius: 50%; background: radial-gradient(circle, rgba(61,222,119,.12), transparent 68%); pointer-events: none; }
.erv-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr); gap: 48px; align-items: center; }
.erv-hero h1 { max-width: 730px; margin: 22px 0 24px; font: 800 clamp(42px, 6vw, 78px)/.99 var(--erv-heading); letter-spacing: -.065em; }
.erv-hero h1 em { color: var(--erv-green); font-style: normal; }
.erv-hero-copy { max-width: 590px; margin: 0; color: #b5c0bc; font-size: 17px; }
.erv-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.erv-hero-meta { display: flex; flex-wrap: wrap; gap: 18px 26px; margin-top: 30px; color: var(--erv-muted); font: 11px/1.5 ui-monospace, monospace; }
.erv-hero-meta span:before { content: "+"; color: var(--erv-green); padding-right: 7px; }
.erv-visual { position: relative; min-height: 480px; padding: 22px; border: 1px solid rgba(180,210,200,.25); background: linear-gradient(135deg, rgba(21,30,32,.96), rgba(7,11,13,.92)); box-shadow: 0 22px 80px rgba(0,0,0,.25); }
.erv-visual:before, .erv-visual:after { content: ""; position: absolute; width: 24px; height: 24px; border-color: var(--erv-green); border-style: solid; }
.erv-visual:before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.erv-visual:after { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.erv-visual-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 14px; border-bottom: 1px solid var(--erv-border); color: #a0adaa; font: 10px ui-monospace, monospace; }
.erv-live-dot { display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--erv-green); box-shadow: 0 0 10px rgba(85,237,138,.7); }
.erv-browser { margin: 22px auto 0; width: 91%; border: 1px solid rgba(212,229,221,.32); background: #0b1113; transform: perspective(1100px) rotateY(-7deg) rotateX(2deg); box-shadow: 14px 18px 0 rgba(82,237,138,.06), 0 0 38px rgba(60,170,117,.12); }
.erv-browser-bar { display: flex; height: 30px; align-items: center; gap: 5px; padding: 0 10px; border-bottom: 1px solid var(--erv-border); }
.erv-browser-bar i { width: 5px; height: 5px; background: #53615d; border-radius: 50%; }
.erv-browser-bar span { margin-left: 8px; color: #71817a; font: 8px ui-monospace, monospace; }
.erv-ui-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 14px; padding: 20px; }
.erv-ui-text { padding-top: 9px; }
.erv-ui-line { height: 5px; margin-bottom: 9px; background: #293534; }
.erv-ui-line.lg { width: 90%; height: 12px; background: #ecf5ed; }
.erv-ui-line.md { width: 70%; }
.erv-ui-line.short { width: 49%; background: var(--erv-green); }
.erv-ui-cta { width: 82px; height: 20px; margin-top: 15px; background: var(--erv-green); }
.erv-ui-graphic { min-height: 150px; position: relative; overflow: hidden; border: 1px solid rgba(85,237,138,.26); background: linear-gradient(145deg, rgba(42,120,83,.26), rgba(8,19,16,.12)); }
.erv-ui-graphic:before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(85,237,138,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(85,237,138,.12) 1px, transparent 1px); background-size: 17px 17px; }
.erv-ui-orbit { position: absolute; width: 115px; height: 115px; top: 14px; left: calc(50% - 57px); border: 1px solid rgba(85,237,138,.72); border-radius: 50%; box-shadow: inset 0 0 30px rgba(85,237,138,.1), 0 0 20px rgba(85,237,138,.12); }
.erv-ui-orbit:before, .erv-ui-orbit:after { content: ""; position: absolute; border: 1px solid rgba(105,189,244,.65); border-radius: 50%; inset: 15px -14px; transform: rotate(45deg); }
.erv-ui-orbit:after { inset: 28px -22px; transform: rotate(-55deg); border-color: rgba(255,124,69,.65); }
.erv-phone { position: absolute; z-index: 3; right: 6px; bottom: 8px; width: 104px; height: 192px; padding: 8px; border: 1px solid #7e9388; border-radius: 17px; background: #0a1011; transform: rotate(7deg); box-shadow: -9px 14px 0 rgba(0,0,0,.35); }
.erv-phone-notch { width: 32px; height: 5px; margin: 1px auto 12px; border-radius: 4px; background: #32413a; }
.erv-phone-screen { height: 155px; padding: 7px; background: linear-gradient(155deg, #15261d, #0b1112); }
.erv-phone-screen b { display: block; height: 6px; width: 58%; margin-bottom: 7px; background: var(--erv-green); }
.erv-phone-screen i { display: block; height: 35px; margin: 8px 0; border: 1px solid rgba(85,237,138,.55); background: repeating-linear-gradient(0deg, transparent 0 7px, rgba(85,237,138,.16) 7px 8px); }
.erv-floating-tag { position: absolute; z-index: 4; padding: 9px 12px; border: 1px solid rgba(85,237,138,.42); background: rgba(8,14,13,.92); font: 10px ui-monospace, monospace; color: var(--erv-green); }
.erv-floating-tag.tag-a { left: 2px; bottom: 62px; }
.erv-floating-tag.tag-b { top: 112px; right: -6px; color: var(--erv-blue); border-color: rgba(105,189,244,.5); }
.erv-visual-foot { display: flex; justify-content: space-between; gap: 15px; margin-top: 26px; color: #7d8a85; font: 9px ui-monospace, monospace; letter-spacing: .05em; }

.erv-stats { border-block: 1px solid var(--erv-border); background: rgba(10,15,16,.72); }
.erv-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.erv-stat { padding: 25px 28px; border-right: 1px solid var(--erv-border); }
.erv-stat:first-child { border-left: 1px solid var(--erv-border); }
.erv-stat strong { display: block; color: var(--erv-green); font: 800 clamp(28px,3vw,40px)/1 var(--erv-heading); letter-spacing: -.04em; }
.erv-stat span { display: block; margin-top: 8px; color: var(--erv-muted); font-size: 11px; }

.erv-services-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.erv-service-card { position: relative; display: flex; flex-direction: column; min-height: 250px; padding: 26px; overflow: hidden; border: 1px solid var(--erv-border); background: rgba(15,22,23,.86); transition: border .25s, transform .25s, background .25s; }
.erv-service-card:hover { transform: translateY(-4px); border-color: rgba(85,237,138,.6); background: #121b1c; }
.erv-service-card:after { content: attr(data-number); position: absolute; top: 8px; right: 18px; color: rgba(230,241,236,.08); font: 800 72px/1 var(--erv-heading); letter-spacing: -.08em; }
.erv-service-icon { display: grid; width: 43px; height: 43px; place-items: center; margin-bottom: 28px; border: 1px solid rgba(85,237,138,.42); color: var(--erv-green); font: 18px ui-monospace, monospace; }
.erv-service-card h3 { position: relative; z-index: 1; max-width: 380px; margin: 0 0 10px; font: 750 25px/1.1 var(--erv-heading); letter-spacing: -.035em; }
.erv-service-card p { max-width: 480px; margin: 0; color: var(--erv-muted); font-size: 13px; }
.erv-service-link { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 30px; color: var(--erv-green); font: 700 11px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; }
.erv-service-card--orange .erv-service-icon, .erv-service-card--orange .erv-service-link { color: var(--erv-orange); border-color: rgba(255,124,69,.4); }
.erv-service-card--blue .erv-service-icon, .erv-service-card--blue .erv-service-link { color: var(--erv-blue); border-color: rgba(105,189,244,.4); }

.erv-process { display: grid; grid-template-columns: 1fr 1fr; gap: 58px; align-items: start; }
.erv-process-intro { position: sticky; top: 36px; }
.erv-process-intro h2 { max-width: 520px; margin: 18px 0; font: 800 clamp(34px,4.5vw,57px)/1.03 var(--erv-heading); letter-spacing: -.055em; }
.erv-process-intro p { max-width: 490px; color: var(--erv-muted); }
.erv-process-list { border-top: 1px solid var(--erv-border); }
.erv-process-item { display: grid; grid-template-columns: 62px 1fr; gap: 16px; padding: 25px 0; border-bottom: 1px solid var(--erv-border); }
.erv-process-num { color: var(--erv-green); font: 12px ui-monospace, monospace; }
.erv-process-item h3 { margin: 0 0 7px; font: 700 20px/1.25 var(--erv-heading); }
.erv-process-item p { margin: 0; max-width: 470px; color: var(--erv-muted); font-size: 13px; }

.erv-work-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.erv-work-card { border: 1px solid var(--erv-border); background: #0e1516; overflow: hidden; }
.erv-work-art { position: relative; display: flex; align-items: center; justify-content: center; min-height: 220px; overflow: hidden; border-bottom: 1px solid var(--erv-border); background: radial-gradient(circle at 50% 42%, rgba(85,237,138,.12), transparent 65%), #101819; }
.erv-work-art:before { content: ""; position: absolute; inset: 0; opacity: .6; background-image: linear-gradient(rgba(150,180,171,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(150,180,171,.1) 1px,transparent 1px); background-size: 22px 22px; }
.erv-work-window { z-index: 1; width: 70%; padding: 9px; border: 1px solid rgba(220,240,230,.45); background: rgba(7,12,13,.88); transform: rotate(-5deg); box-shadow: 14px 15px 0 rgba(85,237,138,.08); }
.erv-work-window .line { height: 5px; width: 70%; margin: 8px 0; background: #374440; }
.erv-work-window .line.lime { width: 44%; background: var(--erv-green); }
.erv-work-window .block { height: 72px; margin-top: 11px; border: 1px solid rgba(85,237,138,.35); background: linear-gradient(135deg,rgba(85,237,138,.22),rgba(85,237,138,.01)); }
.erv-work-card:nth-child(2) .erv-work-art { background: radial-gradient(circle at 50% 42%, rgba(255,124,69,.15), transparent 65%), #101819; }
.erv-work-card:nth-child(2) .erv-work-window { transform: rotate(4deg); box-shadow: 14px 15px 0 rgba(255,124,69,.08); }
.erv-work-card:nth-child(2) .line.lime { background: var(--erv-orange); }
.erv-work-card:nth-child(3) .erv-work-art { background: radial-gradient(circle at 50% 42%, rgba(105,189,244,.16), transparent 65%), #101819; }
.erv-work-card:nth-child(3) .erv-work-window { width: 38%; transform: rotate(8deg); box-shadow: 13px 13px 0 rgba(105,189,244,.08); }
.erv-work-card:nth-child(3) .line.lime { background: var(--erv-blue); }
.erv-work-meta { padding: 20px 20px 22px; }
.erv-work-meta small { color: var(--erv-muted); font: 10px ui-monospace, monospace; text-transform: uppercase; }
.erv-work-meta h3 { margin: 8px 0 6px; font: 700 21px/1.15 var(--erv-heading); }
.erv-work-meta p { margin: 0; color: var(--erv-muted); font-size: 12px; }

.erv-quote-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.erv-quote { padding: 25px; border: 1px solid var(--erv-border); background: rgba(17,25,26,.8); }
.erv-quote-mark { color: var(--erv-green); font: 40px/1 Georgia, serif; }
.erv-quote blockquote { margin: 18px 0 26px; color: #ccd5d1; font-size: 13px; }
.erv-quote strong { display: block; font-size: 13px; }
.erv-quote small { color: var(--erv-muted); font-size: 11px; }

.erv-cta { position: relative; padding: 68px; border: 1px solid rgba(85,237,138,.32); background: radial-gradient(circle at 85% 16%, rgba(85,237,138,.13), transparent 35%), #101819; overflow: hidden; }
.erv-cta:after { content: "ERV / 01"; position: absolute; right: 25px; bottom: 12px; color: rgba(240,255,245,.06); font: 900 clamp(50px,11vw,140px)/1 var(--erv-heading); letter-spacing: -.08em; pointer-events: none; }
.erv-cta-inner { position: relative; z-index: 2; max-width: 820px; }
.erv-cta h2 { margin: 17px 0; font: 800 clamp(34px,5vw,65px)/1 var(--erv-heading); letter-spacing: -.06em; }
.erv-cta p { max-width: 560px; color: var(--erv-muted); }
.erv-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.erv-page-hero { padding: 72px 0 64px; border-bottom: 1px solid var(--erv-border); }
.erv-page-hero-grid { display: grid; grid-template-columns: 1fr .88fr; gap: 46px; align-items: center; }
.erv-page-hero h1 { max-width: 760px; margin: 22px 0; font: 800 clamp(40px,6vw,74px)/.98 var(--erv-heading); letter-spacing: -.06em; }
.erv-page-hero h1 em { color: var(--service-accent, var(--erv-green)); font-style: normal; }
.erv-page-hero p { max-width: 600px; color: #b4bfba; font-size: 16px; }
.erv-service-visual { position: relative; min-height: 350px; padding: 24px; border: 1px solid rgba(218,237,228,.23); background: radial-gradient(circle at 55% 46%, color-mix(in srgb, var(--service-accent, var(--erv-green)) 20%, transparent), transparent 55%), #0d1415; }
.erv-service-visual:before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(160,190,178,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(160,190,178,.11) 1px,transparent 1px); background-size: 28px 28px; }
.erv-service-code { position: absolute; top: 20px; left: 22px; z-index: 2; color: var(--service-accent, var(--erv-green)); font: 10px ui-monospace, monospace; }
.erv-service-ui { position: relative; z-index: 1; width: 86%; min-height: 220px; margin: 40px auto 0; padding: 16px; border: 1px solid rgba(227,243,233,.35); background: rgba(8,13,14,.92); box-shadow: 12px 14px 0 color-mix(in srgb, var(--service-accent, var(--erv-green)) 14%, transparent); }
.erv-service-ui-bar { height: 6px; width: 42%; margin: 12px 0; background: var(--service-accent, var(--erv-green)); }
.erv-service-ui-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.erv-service-ui-box { min-height: 90px; border: 1px solid color-mix(in srgb, var(--service-accent, var(--erv-green)) 38%, transparent); background: linear-gradient(145deg,color-mix(in srgb, var(--service-accent, var(--erv-green)) 12%, transparent),transparent); }
.erv-service-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 25px; }
.erv-service-pills span { padding: 6px 9px; border: 1px solid var(--erv-border); color: #c2ccc7; font: 10px ui-monospace, monospace; }
.erv-feature-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.erv-feature-card { padding: 24px; border: 1px solid var(--erv-border); background: var(--erv-panel); }
.erv-feature-card small { color: var(--service-accent, var(--erv-green)); font: 11px ui-monospace, monospace; }
.erv-feature-card h3 { margin: 16px 0 8px; font: 750 20px/1.15 var(--erv-heading); }
.erv-feature-card p { margin: 0; color: var(--erv-muted); font-size: 13px; }
.erv-detail-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: start; }
.erv-detail-grid h2 { margin: 14px 0; font: 800 clamp(34px,4.5vw,54px)/1.04 var(--erv-heading); letter-spacing: -.05em; }
.erv-detail-grid > div > p { color: var(--erv-muted); }
.erv-check-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--erv-border); }
.erv-check-list li { display: flex; gap: 12px; align-items: start; padding: 16px 0; border-bottom: 1px solid var(--erv-border); color: #cbd4cf; font-size: 14px; }
.erv-check-list li:before { content: "↗"; color: var(--service-accent, var(--erv-green)); font-weight: 900; }

.erv-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 65px; align-items: center; }
.erv-about-art { position: relative; min-height: 420px; border: 1px solid var(--erv-border); background: radial-gradient(circle at 50% 50%, rgba(85,237,138,.13),transparent 58%), #101719; overflow: hidden; }
.erv-about-art:before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(150,180,171,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(150,180,171,.1) 1px,transparent 1px); background-size: 30px 30px; }
.erv-orbit-big { position: absolute; left: 50%; top: 50%; width: 250px; height: 250px; transform: translate(-50%,-50%) rotate(-25deg); border: 1px solid rgba(85,237,138,.72); border-radius: 50%; box-shadow: inset 0 0 45px rgba(85,237,138,.06),0 0 40px rgba(85,237,138,.08); }
.erv-orbit-big:before, .erv-orbit-big:after { content: ""; position: absolute; inset: 25px -38px; border: 1px solid rgba(105,189,244,.58); border-radius: 50%; transform: rotate(68deg); }
.erv-orbit-big:after { inset: 55px -20px; border-color: rgba(255,124,69,.55); transform: rotate(-52deg); }
.erv-about-core { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; place-items: center; width: 104px; height: 104px; transform: translate(-50%,-50%) rotate(45deg); border: 1px solid var(--erv-green); background: #0b1410; box-shadow: 0 0 35px rgba(85,237,138,.16); }
.erv-about-core span { transform: rotate(-45deg); color: var(--erv-green); font: 800 22px ui-monospace, monospace; }
.erv-about-copy h1 { margin: 17px 0; font: 800 clamp(38px,5vw,64px)/1.02 var(--erv-heading); letter-spacing: -.06em; }
.erv-about-copy p { color: var(--erv-muted); }
.erv-value-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.erv-value { padding: 22px; border-top: 2px solid var(--erv-green); background: rgba(15,22,23,.84); }
.erv-value:nth-child(2) { border-color: var(--erv-orange); }
.erv-value:nth-child(3) { border-color: var(--erv-blue); }
.erv-value h3 { margin: 0 0 10px; font: 750 19px var(--erv-heading); }
.erv-value p { margin: 0; color: var(--erv-muted); font-size: 13px; }

.erv-contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; align-items: start; }
.erv-contact-intro h1 { margin: 17px 0; font: 800 clamp(42px,5vw,65px)/.98 var(--erv-heading); letter-spacing: -.06em; }
.erv-contact-intro > p { color: var(--erv-muted); }
.erv-contact-details { margin-top: 30px; border-top: 1px solid var(--erv-border); }
.erv-contact-row { padding: 17px 0; border-bottom: 1px solid var(--erv-border); }
.erv-contact-row small { display: block; margin-bottom: 5px; color: var(--erv-green); font: 10px ui-monospace, monospace; text-transform: uppercase; }
.erv-contact-row strong, .erv-contact-row a { font-size: 15px; font-weight: 650; }
.erv-form-wrap { padding: 30px; border: 1px solid var(--erv-border); background: rgba(15,22,23,.95); }
.erv-form-wrap h2 { margin: 0 0 6px; font: 750 26px var(--erv-heading); }
.erv-form-wrap > p { margin: 0 0 22px; color: var(--erv-muted); font-size: 13px; }
.erv-lead-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.erv-field { min-width: 0; }
.erv-field--full { grid-column: 1 / -1; }
.erv-field label { display: block; margin: 0 0 6px; color: #c6d1cb; font-size: 11px; font-weight: 700; }
.erv-field input, .erv-field textarea, .erv-field select { display: block; width: 100%; min-height: 46px; padding: 11px 12px; border: 1px solid rgba(223,239,231,.17); outline: 0; border-radius: 2px; background: #0a1011; color: var(--erv-text); font-size: 13px; }
.erv-field textarea { min-height: 112px; resize: vertical; }
.erv-field input:focus, .erv-field textarea:focus, .erv-field select:focus { border-color: var(--erv-green); box-shadow: 0 0 0 2px rgba(85,237,138,.08); }
.erv-form-submit { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; grid-column: 1 / -1; }
.erv-form-submit small { max-width: 280px; color: #7e8c85; font-size: 10px; }
.erv-form-status { grid-column: 1 / -1; margin: 0; font-size: 13px; color: var(--erv-green); }
.erv-honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.erv-math-field { max-width: 220px; }

.erv-footer { padding: 50px 0 24px; border-top: 1px solid var(--erv-border); background: #080c0d; }
.erv-footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr 1fr; gap: 34px; padding-bottom: 40px; }
.erv-footer-about p { max-width: 320px; color: var(--erv-muted); font-size: 12px; }
.erv-footer-title { margin: 5px 0 16px; color: #e6eee9; font: 750 12px ui-monospace, monospace; letter-spacing: .06em; text-transform: uppercase; }
.erv-footer-links { display: grid; gap: 9px; }
.erv-footer-links a, .erv-footer-links span { color: var(--erv-muted); font-size: 12px; }
.erv-footer-links a:hover { color: var(--erv-green); }
.erv-footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid var(--erv-border); color: #71807a; font: 10px ui-monospace, monospace; }
.erv-back-top { position: fixed; z-index: 20; right: 22px; bottom: 22px; display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid rgba(85,237,138,.45); background: rgba(9,14,14,.92); color: var(--erv-green); opacity: 0; pointer-events: none; transition: opacity .2s; }
.erv-back-top.is-visible { opacity: 1; pointer-events: auto; }
.erv-modal { position: fixed; z-index: 999; inset: 0; display: none; align-items: center; justify-content: center; padding: 20px; background: rgba(0,0,0,.78); backdrop-filter: blur(8px); }
.erv-modal.is-open { display: flex; }
.erv-modal-panel { position: relative; width: min(650px, 100%); max-height: 90vh; overflow: auto; padding: 30px; border: 1px solid rgba(85,237,138,.4); background: #101719; box-shadow: 0 25px 100px rgba(0,0,0,.5); }
.erv-modal-close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border: 1px solid var(--erv-border); background: transparent; color: var(--erv-text); font-size: 22px; cursor: pointer; }
.erv-modal-panel h2 { margin: 0 40px 6px 0; font: 800 32px/1.1 var(--erv-heading); }
.erv-modal-panel > p { margin: 0 0 24px; color: var(--erv-muted); font-size: 13px; }

@media (max-width: 1000px) {
  .erv-nav { gap: 16px; }
  .erv-header-actions > .erv-btn { display: none; }
  .erv-hero-grid, .erv-page-hero-grid { grid-template-columns: 1fr 1fr; gap: 25px; }
  .erv-visual { min-height: 410px; padding: 15px; }
  .erv-browser { width: 95%; }
  .erv-ui-layout { padding: 13px; }
  .erv-ui-graphic { min-height: 126px; }
  .erv-phone { width: 90px; height: 164px; }
  .erv-phone-screen { height: 129px; }
  .erv-work-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .erv-work-card:last-child { display: none; }
  .erv-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .erv-container { width: min(var(--erv-content), calc(100% - 32px)); }
  .erv-section { padding: 72px 0; }
  .erv-section-head { display: block; margin-bottom: 30px; }
  .erv-section-head p { margin-top: 16px; }
  .erv-header-inner { min-height: 70px; }
  .erv-menu-toggle { display: block; }
  .erv-header-actions { margin-left: auto; }
  .erv-nav { position: absolute; top: 69px; left: 0; right: 0; display: none; padding: 18px 20px 22px; border-bottom: 1px solid var(--erv-border); background: #0b1112; flex-direction: column; align-items: stretch; gap: 0; }
  .erv-nav.is-open { display: flex; }
  .erv-nav a { display: block; padding: 13px 4px; border-bottom: 1px solid rgba(224,241,238,.08); font-size: 14px; }
  .erv-language { display: none; }
  .erv-hero { padding: 55px 0 42px; }
  .erv-hero-grid, .erv-page-hero-grid { grid-template-columns: 1fr; }
  .erv-hero h1 { font-size: clamp(42px, 12vw, 65px); }
  .erv-hero-copy { font-size: 15px; }
  .erv-visual { min-height: 400px; margin-top: 15px; }
  .erv-browser { transform: none; }
  .erv-stats-grid { grid-template-columns: 1fr 1fr; }
  .erv-stat { padding: 20px; border-bottom: 1px solid var(--erv-border); }
  .erv-stat:nth-child(odd) { border-left: 1px solid var(--erv-border); }
  .erv-stat strong { font-size: 30px; }
  .erv-services-grid { grid-template-columns: 1fr; }
  .erv-service-card { min-height: 235px; }
  .erv-process { grid-template-columns: 1fr; gap: 32px; }
  .erv-process-intro { position: static; }
  .erv-work-grid { grid-template-columns: 1fr; }
  .erv-work-card:last-child { display: block; }
  .erv-quote-grid, .erv-feature-grid, .erv-value-grid { grid-template-columns: 1fr; }
  .erv-cta { padding: 34px 24px; }
  .erv-page-hero { padding: 50px 0 40px; }
  .erv-service-visual { min-height: 315px; }
  .erv-detail-grid, .erv-about-grid, .erv-contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .erv-about-art { min-height: 320px; order: 2; }
  .erv-contact-grid { gap: 30px; }
  .erv-lead-form { grid-template-columns: 1fr; }
  .erv-field--full, .erv-form-submit { grid-column: auto; }
  .erv-form-wrap { padding: 21px; }
  .erv-footer-grid { grid-template-columns: 1fr 1fr; gap: 25px 20px; }
  .erv-footer-grid > :first-child { grid-column: 1 / -1; }
  .erv-footer-bottom { display: block; line-height: 1.9; }
  .erv-modal-panel { padding: 25px 18px; }
}
@media (max-width: 420px) {
  .erv-container { width: calc(100% - 26px); }
  .erv-logo { font-size: 17px; }
  .erv-logo-mark { width: 29px; height: 29px; }
  .erv-visual { min-height: 340px; padding: 12px; }
  .erv-browser { margin-top: 16px; }
  .erv-ui-layout { padding: 10px; gap: 7px; }
  .erv-ui-graphic { min-height: 102px; }
  .erv-ui-line { height: 4px; }
  .erv-ui-line.lg { height: 8px; }
  .erv-phone { right: 0; bottom: 5px; transform: scale(.82) rotate(7deg); transform-origin: bottom right; }
  .erv-floating-tag.tag-b { top: 93px; }
  .erv-stat { padding: 16px 12px; }
  .erv-stat strong { font-size: 26px; }
  .erv-stat span { font-size: 10px; }
  .erv-process-item { grid-template-columns: 38px 1fr; }
  .erv-footer-grid { grid-template-columns: 1fr; }
  .erv-footer-grid > :first-child { grid-column: auto; }
}
.erv-nav ul { display:flex; align-items:center; gap:clamp(16px,2.3vw,32px); margin:0; padding:0; list-style:none; }
.erv-nav li { margin:0; padding:0; }
.erv-nav .erv-nav-list { display:flex; align-items:center; gap:clamp(16px,2.3vw,32px); margin:0; padding:0; list-style:none; }
.erv-nav a { display:block; }
@media(max-width:760px){ .erv-nav ul, .erv-nav .erv-nav-list { display:block; gap:0; } }

/* Service-specific technical visuals: each service page gets its own visual language. */
.erv-service-visual--landing { background: radial-gradient(circle at 50% 55%, rgba(255,124,69,.16), transparent 58%), #0d1415; }
.erv-service-visual--corporate { background: radial-gradient(circle at 50% 35%, rgba(85,237,138,.13), transparent 60%), #0d1415; }
.erv-service-visual--apps { background: radial-gradient(circle at 50% 45%, rgba(105,189,244,.17), transparent 60%), #0d1415; }
.erv-funnel-visual { position: relative; z-index: 1; width: min(390px, 90%); margin: 45px auto 0; padding: 17px; border: 1px solid rgba(255,124,69,.34); background: rgba(8,13,14,.9); box-shadow: 12px 14px 0 rgba(255,124,69,.08); }
.erv-funnel-top, .erv-funnel-footer { display: flex; justify-content: space-between; gap: 12px; color: #a7b0ac; font: 8px ui-monospace, monospace; }
.erv-funnel-top { padding-bottom: 13px; border-bottom: 1px solid rgba(255,124,69,.25); }
.erv-funnel-top b, .erv-funnel-footer b { color: var(--erv-orange); font-weight: 600; }
.erv-funnel-step { position: relative; width: 100%; margin-top: 13px; padding: 11px 13px; border: 1px solid rgba(255,124,69,.25); background: linear-gradient(90deg, rgba(255,124,69,.11), rgba(255,124,69,.015)); }
.erv-funnel-step--two { width: 85%; margin-left: 7.5%; }
.erv-funnel-step--three { width: 70%; margin-left: 15%; border-color: rgba(255,124,69,.5); }
.erv-funnel-step small { display: block; color: var(--erv-orange); font: 8px ui-monospace, monospace; }
.erv-funnel-step strong { display: block; margin: 3px 0 8px; color: var(--erv-text); font: 700 13px var(--erv-heading); }
.erv-funnel-track { display: block; height: 3px; background: rgba(255,124,69,.12); }
.erv-funnel-track i { display: block; width: 74%; height: 100%; background: var(--erv-orange); }
.erv-funnel-step--two .erv-funnel-track i { width: 53%; }
.erv-funnel-step--three .erv-funnel-track i { width: 90%; }
.erv-funnel-connector { height: 11px; padding-left: 50%; color: var(--erv-orange); font: 11px ui-monospace, monospace; }
.erv-funnel-footer { margin-top: 15px; padding-top: 12px; border-top: 1px solid rgba(255,124,69,.2); }
.erv-architecture-visual { position: relative; z-index: 1; width: min(430px, 94%); margin: 51px auto 0; padding: 16px; border: 1px solid rgba(85,237,138,.32); background: rgba(7,12,13,.91); }
.erv-architecture-root { width: 68%; margin: 0 auto; padding: 12px; border: 1px solid rgba(85,237,138,.65); background: rgba(85,237,138,.08); text-align: center; }
.erv-architecture-root small, .erv-architecture-root strong, .erv-architecture-root span { display: block; }
.erv-architecture-root small { color: var(--erv-green); font: 8px ui-monospace, monospace; }
.erv-architecture-root strong { margin: 3px 0; font: 750 17px var(--erv-heading); }
.erv-architecture-root span { color: var(--erv-muted); font: 8px ui-monospace, monospace; }
.erv-architecture-connector { width: 1px; height: 28px; margin: 0 auto; background: var(--erv-green); }
.erv-architecture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.erv-architecture-grid > div { position: relative; min-height: 68px; padding: 10px; border: 1px solid rgba(85,237,138,.26); background: linear-gradient(140deg, rgba(85,237,138,.08), transparent); }
.erv-architecture-grid > div:before { content: ""; position: absolute; top: -9px; left: 50%; width: 1px; height: 8px; background: rgba(85,237,138,.7); }
.erv-architecture-grid b { display: block; color: var(--erv-green); font: 8px ui-monospace, monospace; }
.erv-architecture-grid strong { display: block; margin: 3px 0; font: 700 12px var(--erv-heading); }
.erv-architecture-grid small { color: var(--erv-muted); font: 8px ui-monospace, monospace; }
.erv-architecture-footer { display: flex; justify-content: space-between; gap: 10px; padding-top: 13px; color: var(--erv-muted); font: 8px ui-monospace, monospace; }
.erv-mobile-stage { position: relative; z-index: 1; min-height: 320px; display: flex; align-items: center; justify-content: center; margin-top: 22px; }
.erv-mobile-phone { width: 184px; padding: 10px; border: 1px solid rgba(184,220,239,.75); border-radius: 25px; background: #070c0f; transform: rotate(-5deg); box-shadow: 15px 18px 0 rgba(105,189,244,.08), 0 0 45px rgba(105,189,244,.1); }
.erv-mobile-speaker { width: 42px; height: 5px; margin: 1px auto 10px; border-radius: 5px; background: #30444e; }
.erv-mobile-screen { min-height: 260px; padding: 11px; border-radius: 15px; background: linear-gradient(160deg, #10212b, #0b1114); }
.erv-mobile-header { display: flex; justify-content: space-between; align-items: center; color: #dae5ea; font: 8px ui-monospace, monospace; }
.erv-mobile-header i { width: 17px; height: 17px; border-radius: 50%; background: rgba(105,189,244,.3); border: 1px solid var(--erv-blue); }
.erv-mobile-header b { color: var(--erv-blue); }
.erv-mobile-greeting { margin-top: 19px; font: 750 15px/1.2 var(--erv-heading); }
.erv-mobile-greeting span { display: block; margin-top: 5px; color: var(--erv-muted); font: 8px ui-monospace, monospace; }
.erv-mobile-balance { margin-top: 14px; padding: 10px; border: 1px solid rgba(105,189,244,.4); background: rgba(105,189,244,.08); }
.erv-mobile-balance small { display: block; color: var(--erv-muted); font: 7px ui-monospace, monospace; }
.erv-mobile-balance strong { display: block; margin: 3px 0; color: var(--erv-blue); font: 800 20px var(--erv-heading); }
.erv-mobile-balance i { display: block; height: 22px; background: linear-gradient(160deg, transparent 48%, rgba(105,189,244,.85) 49%, rgba(105,189,244,.85) 52%, transparent 53%); }
.erv-mobile-lines { display: flex; gap: 5px; margin: 12px 0; }
.erv-mobile-lines i { display: block; flex: 1; height: 4px; background: #2a4049; }
.erv-mobile-lines i:first-child { background: var(--erv-blue); }
.erv-mobile-tile-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 5px; }
.erv-mobile-tile-grid i { display: block; height: 30px; border: 1px solid rgba(105,189,244,.35); background: rgba(105,189,244,.06); }
.erv-mobile-nav { display: flex; justify-content: space-around; margin-top: 13px; padding-top: 9px; border-top: 1px solid rgba(105,189,244,.2); }
.erv-mobile-nav i { display: block; width: 10px; height: 10px; border: 1px solid var(--erv-blue); border-radius: 3px; opacity: .7; }
.erv-mobile-float { position: absolute; padding: 9px 11px; border: 1px solid rgba(105,189,244,.45); background: rgba(8,13,14,.95); color: var(--erv-blue); font: 8px ui-monospace, monospace; }
.erv-mobile-float b, .erv-mobile-float span { display: block; }
.erv-mobile-float span { margin-top: 4px; color: #b7c5cc; }
.erv-mobile-float--top { top: 28px; right: -5px; }
.erv-mobile-float--bottom { bottom: 24px; left: -4px; }
.erv-mobile-float--bottom span i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--erv-green); }
@media(max-width:760px) { .erv-funnel-visual { margin-top: 38px; } .erv-architecture-visual { margin-top: 39px; } .erv-mobile-stage { min-height: 300px; } }