:root {
    --navy-950: #031226;
    --navy-900: #071a33;
    --navy-800: #0a2445;
    --navy-700: #10345f;
    --blue-600: #1769e0;
    --blue-500: #2f80ed;
    --cyan-400: #35d2ff;
    --cyan-300: #72e3ff;
    --ink: #0d1b2e;
    --muted: #607089;
    --line: #dce4ee;
    --surface: #f4f7fb;
    --white: #ffffff;
    --success: #05875a;
    --error: #c53b4b;
    --shadow: 0 24px 70px rgba(4, 24, 50, .12);
    --radius-lg: 26px;
    --radius-md: 18px;
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
img { max-width: 100%; }
.container { width: min(calc(100% - 48px), var(--container)); margin: 0 auto; }
.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: fixed; top: -80px; left: 20px; z-index: 9999; padding: 12px 18px;
    color: #fff; background: var(--blue-600); border-radius: 8px; transition: top .2s;
}
.skip-link:focus { top: 14px; }

/* Header */
.site-header {
    position: fixed; inset: 0 0 auto; z-index: 1000;
    height: 78px; border-bottom: 1px solid rgba(255,255,255,.1);
    background: rgba(3, 18, 38, .72); backdrop-filter: blur(18px);
    transition: background .25s, box-shadow .25s;
}
.site-header.scrolled { background: rgba(3, 18, 38, .96); box-shadow: 0 10px 40px rgba(0,0,0,.15); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark { position: relative; display: inline-flex; align-items: flex-end; gap: 3px; width: 29px; height: 27px; }
.brand-mark i { display: block; width: 7px; border-radius: 2px 2px 0 0; transform: skew(-11deg); background: linear-gradient(180deg, var(--cyan-300), var(--blue-500)); }
.brand-mark i:nth-child(1) { height: 13px; opacity: .65; }
.brand-mark i:nth-child(2) { height: 20px; opacity: .82; }
.brand-mark i:nth-child(3) { height: 27px; }
.brand-text { font-size: 21px; font-weight: 850; letter-spacing: .06em; line-height: 1; }
.brand-text span { color: var(--cyan-400); }
.primary-nav { display: flex; align-items: center; gap: 34px; color: rgba(255,255,255,.74); font-size: 14px; font-weight: 650; }
.primary-nav > a { position: relative; transition: color .2s; }
.primary-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--cyan-400); transition: right .2s; }
.primary-nav > a:hover, .primary-nav > a:focus-visible { color: #fff; }
.primary-nav > a:hover::after, .primary-nav > a:focus-visible::after { right: 0; }
.nav-cta { padding: 10px 18px; color: #fff; border: 1px solid rgba(114,227,255,.45); border-radius: 999px; background: rgba(53,210,255,.08); }
.nav-cta:hover { background: rgba(53,210,255,.18); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 0; background: transparent; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: #fff; transition: transform .2s, opacity .2s; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 168px 0 58px; color: #fff; background: var(--navy-950); }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(3,18,38,.15), rgba(3,18,38,.87) 74%), radial-gradient(circle at 20% 20%, #0c3768 0, transparent 44%); }
.hero-grid { position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(rgba(114,227,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(114,227,255,.18) 1px, transparent 1px); background-size: 60px 60px; mask-image: linear-gradient(to bottom, #000, transparent 92%); }
.hero-glow { position: absolute; border-radius: 50%; filter: blur(2px); }
.hero-glow-one { width: 540px; height: 540px; top: 30px; right: -220px; background: radial-gradient(circle, rgba(23,105,224,.35), transparent 68%); }
.hero-glow-two { width: 360px; height: 360px; bottom: -180px; left: 10%; background: radial-gradient(circle, rgba(53,210,255,.16), transparent 68%); }
.hero-layout { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 74px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin-bottom: 23px; color: var(--cyan-300); font-size: 12px; font-weight: 800; letter-spacing: .17em; }
.eyebrow span { width: 30px; height: 1px; background: var(--cyan-400); }
.hero h1 { margin: 0; max-width: 690px; font-size: clamp(42px, 5vw, 70px); line-height: 1.17; letter-spacing: -.055em; font-weight: 680; }
.hero h1 strong { color: transparent; font-weight: 850; background: linear-gradient(100deg, #fff 5%, #a8eeff 50%, #58b8ff); background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 620px; margin: 29px 0 0; color: rgba(231,242,255,.72); font-size: 18px; line-height: 1.8; }
.hero-actions { display: flex; gap: 13px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 24px; border: 1px solid transparent; border-radius: 8px; font-size: 15px; font-weight: 750; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--navy-950); background: linear-gradient(135deg, var(--cyan-300), #51a9ff); box-shadow: 0 14px 35px rgba(53,210,255,.2); }
.button-primary span { margin-left: 12px; font-size: 18px; }
.button-ghost { color: #fff; border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.04); }
.button-ghost:hover { border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.08); }
.hero-trust { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 38px; color: rgba(255,255,255,.33); font-size: 10px; font-weight: 800; letter-spacing: .13em; }

.hero-visual { position: relative; min-width: 0; }
.code-window { position: relative; overflow: hidden; border: 1px solid rgba(114,227,255,.22); border-radius: 18px; background: linear-gradient(145deg, rgba(13,49,88,.86), rgba(4,24,49,.96)); box-shadow: 0 36px 90px rgba(0,0,0,.36), inset 0 1px rgba(255,255,255,.05); transform: perspective(900px) rotateY(-3deg) rotateX(1deg); }
.window-bar { height: 50px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 17px; color: rgba(255,255,255,.36); border-bottom: 1px solid rgba(255,255,255,.08); font-family: Consolas, monospace; font-size: 10px; }
.window-dots { display: flex; gap: 6px; }
.window-dots i { width: 8px; height: 8px; border-radius: 50%; background: #33506e; }
.window-dots i:nth-child(1) { background: #ff6680; }.window-dots i:nth-child(2) { background: #ffc958; }.window-dots i:nth-child(3) { background: #3be394; }
.window-live { justify-self: end; color: #60e9a6; }
.window-live i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: #38e594; box-shadow: 0 0 10px #38e594; animation: pulse 1.8s infinite; }
.code-body { padding: 28px 22px 23px; }
.code-line { display: grid; grid-template-columns: 24px 1fr 20px; align-items: center; gap: 12px; min-height: 48px; padding: 0 13px; color: rgba(255,255,255,.68); border-left: 2px solid transparent; font-size: 12px; }
.code-line > span { color: rgba(255,255,255,.21); font-family: Consolas, monospace; }
.code-line code { font-family: Consolas, monospace; white-space: nowrap; }
.code-line code b { color: var(--cyan-300); font-weight: 500; }
.code-line em { color: #47dda0; font-style: normal; }
.code-line.active { color: #fff; border-left-color: var(--cyan-400); background: linear-gradient(90deg, rgba(53,210,255,.12), transparent); }
.code-line.active em { color: var(--cyan-400); text-shadow: 0 0 12px currentColor; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.08); background: rgba(0,0,0,.12); }
.metric-grid > div { padding: 22px 18px; border-right: 1px solid rgba(255,255,255,.08); }
.metric-grid > div:last-child { border-right: 0; }
.metric-grid span { display: block; margin-bottom: 4px; color: rgba(255,255,255,.29); font-size: 8px; font-weight: 800; letter-spacing: .13em; }
.metric-grid strong { color: #fff; font-size: 24px; line-height: 1; letter-spacing: -.04em; }
.metric-grid small { color: var(--cyan-300); font-size: 10px; letter-spacing: 0; }
.floating-chip { position: absolute; display: flex; align-items: center; gap: 8px; padding: 9px 13px; color: rgba(255,255,255,.78); border: 1px solid rgba(114,227,255,.22); border-radius: 999px; background: rgba(4,25,52,.86); backdrop-filter: blur(10px); box-shadow: 0 12px 30px rgba(0,0,0,.25); font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.floating-chip i { width: 6px; height: 6px; border-radius: 50%; background: #45e29e; box-shadow: 0 0 9px #45e29e; }
.chip-one { right: -22px; top: 72px; }.chip-two { left: -28px; bottom: 76px; animation: float 4s ease-in-out infinite; }
.hero-stats { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 92px; border-top: 1px solid rgba(255,255,255,.12); border-bottom: 1px solid rgba(255,255,255,.12); }
.hero-stats > div { display: flex; align-items: center; gap: 14px; padding: 23px 20px; border-right: 1px solid rgba(255,255,255,.12); }
.hero-stats > div:first-child { padding-left: 0; }.hero-stats > div:last-child { border-right: 0; }
.hero-stats strong { color: var(--cyan-300); font-size: 19px; letter-spacing: -.02em; }
.hero-stats span { color: rgba(255,255,255,.47); font-size: 12px; }

/* Shared sections */
.section { padding: 126px 0; }
.section-number { display: inline-block; margin-bottom: 19px; color: var(--blue-600); font-size: 11px; font-weight: 850; letter-spacing: .18em; }
.section-number.light { color: var(--cyan-300); }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; margin-bottom: 58px; }
.section-heading h2, .strengths h2, .process h2, .estimate h2 { margin: 0; font-size: clamp(34px, 4vw, 52px); line-height: 1.25; letter-spacing: -.045em; }
.section-heading > p { margin: 0 0 5px; color: var(--muted); font-size: 16px; line-height: 1.85; }

/* Services */
.services { background: var(--surface); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 420px; padding: 32px 27px 28px; overflow: hidden; border: 1px solid #e0e7f0; border-radius: var(--radius-md); background: #fff; transition: transform .28s, box-shadow .28s, border-color .28s; }
.service-card::after { content: ""; position: absolute; right: -70px; bottom: -70px; width: 150px; height: 150px; border-radius: 50%; background: radial-gradient(circle, rgba(47,128,237,.1), transparent 70%); transition: transform .3s; }
.service-card:hover { z-index: 2; transform: translateY(-8px); border-color: rgba(47,128,237,.35); box-shadow: var(--shadow); }
.service-card:hover::after { transform: scale(1.45); }
.card-index { position: absolute; top: 25px; right: 25px; color: #a7b3c2; font-family: Consolas, monospace; font-size: 11px; }
.service-icon { position: relative; width: 56px; height: 56px; margin-bottom: 33px; border: 1px solid #dce7f5; border-radius: 15px; background: #f1f7ff; }
.service-icon i { position: absolute; display: block; border-color: var(--blue-500); }
.icon-web i:nth-child(1) { inset: 14px 11px; border: 2px solid var(--blue-500); border-radius: 3px; }
.icon-web i:nth-child(2) { left: 12px; right: 12px; top: 22px; border-top: 2px solid var(--blue-500); }
.icon-web i:nth-child(3) { width: 3px; height: 3px; left: 15px; top: 18px; border-radius: 50%; background: var(--cyan-400); box-shadow: 6px 0 var(--cyan-400); }
.icon-realtime i { bottom: 14px; width: 5px; border-radius: 2px 2px 0 0; background: linear-gradient(var(--cyan-400), var(--blue-500)); }
.icon-realtime i:nth-child(1) { left: 13px; height: 12px; }.icon-realtime i:nth-child(2) { left: 22px; height: 24px; }.icon-realtime i:nth-child(3) { left: 31px; height: 17px; }.icon-realtime i:nth-child(4) { left: 40px; height: 29px; }
.icon-modern i:nth-child(1), .icon-modern i:nth-child(2) { width: 25px; height: 19px; border: 2px solid var(--blue-500); border-radius: 3px; }
.icon-modern i:nth-child(1) { top: 12px; left: 10px; }.icon-modern i:nth-child(2) { right: 9px; bottom: 11px; background: #f1f7ff; }
.icon-data i { left: 13px; right: 13px; height: 10px; border: 2px solid var(--blue-500); border-radius: 50%; }
.icon-data i:nth-child(1) { top: 12px; }.icon-data i:nth-child(2) { top: 22px; }.icon-data i:nth-child(3) { top: 32px; }
.service-card h3 { margin: 0 0 15px; font-size: 21px; letter-spacing: -.025em; }
.service-card > p { min-height: 78px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.service-card ul { position: absolute; left: 27px; right: 27px; bottom: 25px; margin: 0; padding: 18px 0 0; border-top: 1px solid #e7edf4; list-style: none; }
.service-card li { position: relative; padding: 3px 0 3px 14px; color: #42536b; font-size: 12px; }
.service-card li::before { content: ""; position: absolute; left: 0; top: 12px; width: 5px; height: 5px; border-radius: 50%; background: var(--blue-500); }

/* Strengths */
.strengths { color: #fff; background: linear-gradient(125deg, var(--navy-950), #0a2d57); }
.strengths-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 105px; align-items: start; }
.strengths-copy { position: sticky; top: 120px; }
.strengths-copy p { margin: 25px 0 0; max-width: 460px; color: rgba(227,240,255,.64); line-height: 1.85; }
.text-link { display: inline-flex; gap: 16px; margin-top: 35px; color: var(--cyan-300); font-size: 14px; font-weight: 750; }
.text-link span { transition: transform .2s; }.text-link:hover span { transform: translateX(5px); }
.strength-list { border-top: 1px solid rgba(255,255,255,.15); }
.strength-item { display: grid; grid-template-columns: 48px 1fr; gap: 24px; padding: 31px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.strength-item > span { color: var(--cyan-300); font-family: Consolas, monospace; font-size: 12px; }
.strength-item h3 { margin: -5px 0 8px; font-size: 20px; }
.strength-item p { margin: 0; color: rgba(227,240,255,.57); font-size: 14px; }

/* Experience */
.experience { background: #fff; }
.experience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.experience-card { position: relative; min-height: 310px; padding: 31px 34px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; transition: transform .25s, border-color .25s, box-shadow .25s; }
.experience-card:hover { transform: translateY(-4px); border-color: #a9c7ee; box-shadow: 0 20px 50px rgba(7,36,69,.09); }
.experience-card.feature { color: #fff; border-color: transparent; background: linear-gradient(135deg, #0b2e58, #1057a6); }
.experience-card.feature::after { content: ""; position: absolute; right: -80px; bottom: -100px; width: 340px; height: 340px; border: 1px solid rgba(114,227,255,.15); border-radius: 50%; box-shadow: 0 0 0 42px rgba(114,227,255,.04), 0 0 0 84px rgba(114,227,255,.025); }
.experience-top { display: flex; justify-content: space-between; color: var(--blue-600); font-size: 10px; font-weight: 850; letter-spacing: .14em; }
.experience-top em { color: #a6b3c2; font-style: normal; }.feature .experience-top { color: var(--cyan-300); }.feature .experience-top em { color: rgba(255,255,255,.4); }
.experience-card h3 { position: relative; z-index: 1; margin: 40px 0 17px; font-size: 25px; line-height: 1.35; letter-spacing: -.035em; }
.experience-card h3 strong { color: var(--cyan-300); font-size: 34px; }
.experience-card > p { position: relative; z-index: 1; max-width: 470px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
.feature > p { color: rgba(235,246,255,.68); }
.tag-row { position: absolute; left: 34px; bottom: 28px; display: flex; gap: 7px; }
.tag-row span { padding: 5px 9px; color: #5c6e84; border-radius: 5px; background: #f0f4f8; font-size: 10px; font-weight: 750; }
.performance-bar { position: absolute; left: 34px; right: 34px; bottom: 31px; z-index: 1; height: 8px; border-radius: 99px; background: rgba(255,255,255,.12); }
.performance-bar i { display: block; width: 95%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan-400), #65e5ba); box-shadow: 0 0 18px rgba(53,210,255,.45); }
.performance-bar span { position: absolute; right: 0; top: -27px; color: var(--cyan-300); font-size: 11px; font-weight: 800; }

/* Process */
.process { color: #fff; background: var(--navy-950); }
.process-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 62px; }
.process-list { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; border-top: 1px solid rgba(255,255,255,.15); list-style: none; }
.process-list li { position: relative; min-height: 254px; padding: 30px 25px 20px; border-right: 1px solid rgba(255,255,255,.15); }
.process-list li:first-child { padding-left: 0; }.process-list li:last-child { border-right: 0; padding-right: 0; }
.process-list li::before { content: ""; position: absolute; top: -4px; left: 25px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan-400); box-shadow: 0 0 12px var(--cyan-400); }
.process-list li:first-child::before { left: 0; }
.process-list li > span { color: var(--cyan-300); font-family: Consolas, monospace; font-size: 12px; }
.process-list h3 { margin: 46px 0 13px; font-size: 18px; }
.process-list p { margin: 0; color: rgba(229,241,255,.55); font-size: 13px; line-height: 1.75; }

/* Estimate form */
.estimate { background: #edf3f9; }
.estimate-layout { display: grid; grid-template-columns: .78fr 1.22fr; gap: 78px; align-items: start; }
.estimate-intro { position: sticky; top: 115px; }
.estimate-intro > p { margin: 25px 0 0; color: var(--muted); line-height: 1.85; }
.contact-card { margin-top: 40px; padding: 25px 0; border-top: 1px solid #cdd9e6; border-bottom: 1px solid #cdd9e6; }
.contact-card a, .contact-card > div { display: grid; grid-template-columns: 87px 1fr; align-items: start; padding: 9px 0; }
.contact-card span { padding-top: 3px; color: var(--blue-600); font-size: 9px; font-weight: 850; letter-spacing: .14em; }
.contact-card strong { font-size: 15px; font-weight: 650; }
.response-note { display: flex; align-items: flex-start; gap: 10px; color: #6b7b90 !important; font-size: 12px; }
.response-note i { flex: 0 0 auto; width: 7px; height: 7px; margin-top: 7px; border-radius: 50%; background: var(--success); }
.form-panel { padding: 42px; border: 1px solid #dbe4ed; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
.form-row { margin-bottom: 20px; }.two-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { margin-bottom: 20px; }
.form-row .field { margin-bottom: 0; }
.field label, .contact-choice legend { display: block; margin-bottom: 8px; color: #263a53; font-size: 13px; font-weight: 750; }
.field label b { color: var(--blue-600); }
.field input, .field select, .field textarea {
    width: 100%; min-height: 49px; padding: 11px 13px; color: var(--ink);
    border: 1px solid #cdd8e4; border-radius: 8px; outline: none; background: #fff;
    transition: border-color .2s, box-shadow .2s, background .2s;
}
.field textarea { min-height: 162px; resize: vertical; line-height: 1.65; }
.field input::placeholder, .field textarea::placeholder { color: #a2adba; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(47,128,237,.12); background: #fbfdff; }
.label-row { display: flex; align-items: center; justify-content: space-between; }
.label-row > span { color: #99a6b5; font-size: 10px; }.label-row i { font-style: normal; }
.field-error { display: block; margin-top: 6px; color: var(--error); font-size: 11px; }
.contact-choice { display: flex; align-items: center; gap: 7px; margin: 0 0 20px; padding: 0; border: 0; }
.contact-choice legend { float: left; width: 115px; margin: 0; }
.contact-choice label { cursor: pointer; }
.contact-choice input { position: absolute; opacity: 0; pointer-events: none; }
.contact-choice span { display: block; min-width: 62px; padding: 8px 15px; text-align: center; color: #607089; border: 1px solid #d6e0ea; border-radius: 999px; font-size: 12px; font-weight: 650; transition: .2s; }
.contact-choice input:checked + span { color: var(--blue-600); border-color: var(--blue-500); background: #edf5ff; }
.contact-choice input:focus-visible + span { outline: 3px solid rgba(47,128,237,.2); }
.privacy-box { padding: 17px 18px; border-radius: 9px; background: #f4f7fa; }
.privacy-box > label { display: flex; align-items: flex-start; gap: 9px; cursor: pointer; font-size: 12px; }
.privacy-box input { width: 16px; height: 16px; margin-top: 2px; accent-color: var(--blue-600); }
.privacy-box label b { color: var(--blue-600); }
.privacy-box details { margin: 8px 0 0 25px; color: #758498; font-size: 11px; }
.privacy-box summary { cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.privacy-box p { margin: 7px 0 0; }
.submit-button { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 58px; margin-top: 21px; padding: 0 22px; color: #fff; border: 0; border-radius: 9px; background: linear-gradient(110deg, #1265d8, #198ee8); box-shadow: 0 13px 28px rgba(23,105,224,.2); font-weight: 800; transition: transform .2s, box-shadow .2s; }
.submit-button:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(23,105,224,.27); }
.submit-button:disabled { opacity: .7; cursor: wait; transform: none; }
.submit-button i { font-size: 21px; font-style: normal; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.alert { margin-bottom: 25px; padding: 16px 18px; border-radius: 10px; }
.alert strong, .alert span { display: block; }.alert strong { margin-bottom: 3px; font-size: 14px; }.alert span { font-size: 12px; }
.alert-success { color: #036b48; border: 1px solid #a8dec9; background: #eaf9f2; }
.alert-error { color: #a82d3a; border: 1px solid #efc2c7; background: #fff0f2; }

/* Footer */
.site-footer { padding: 67px 0 24px; color: #fff; background: #020d1d; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr .6fr; gap: 70px; padding-bottom: 53px; }
.footer-brand { margin-bottom: 17px; }.footer-top > div:first-child p { color: rgba(255,255,255,.42); font-size: 13px; }
.footer-contact, .footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.footer-contact > span, .footer-links > span { margin-bottom: 10px; color: var(--cyan-300); font-size: 9px; font-weight: 850; letter-spacing: .15em; }
.footer-contact a { font-size: 14px; }.footer-contact p { margin: 2px 0 0; color: rgba(255,255,255,.42); font-size: 11px; }
.footer-links a { color: rgba(255,255,255,.63); font-size: 13px; transition: color .2s; }.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.3); font-size: 10px; letter-spacing: .03em; }
.footer-bottom p { margin: 0; }

/* Motion */
.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes pulse { 50% { opacity: .35; box-shadow: 0 0 4px #38e594; } }
@keyframes float { 50% { transform: translateY(-7px); } }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .js .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1060px) {
    .primary-nav { gap: 22px; }
    .hero-layout { gap: 38px; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .strengths-layout { gap: 58px; }
    .estimate-layout { gap: 46px; }
}

@media (max-width: 840px) {
    .container { width: min(calc(100% - 34px), var(--container)); }
    .nav-toggle { display: block; }
    .nav-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-of-type(3) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-of-type(4) { transform: translateY(-7px) rotate(-45deg); }
    .primary-nav { position: fixed; top: 78px; left: 0; right: 0; display: none; align-items: stretch; gap: 0; padding: 16px 24px 25px; background: rgba(3,18,38,.98); box-shadow: 0 25px 50px rgba(0,0,0,.2); }
    .primary-nav.open { display: flex; flex-direction: column; }
    .primary-nav a { padding: 12px 2px; }
    .primary-nav a::after { display: none; }
    .nav-cta { margin-top: 7px; text-align: center; }
    .hero { padding-top: 138px; }
    .hero-layout { grid-template-columns: 1fr; gap: 70px; }
    .hero-copy { max-width: 700px; }
    .hero-visual { width: min(100%, 620px); margin: 0 auto; }
    .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 65px; }
    .hero-stats > div:nth-child(2) { border-right: 0; }.hero-stats > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
    .section { padding: 90px 0; }
    .section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 43px; }
    .strengths-layout, .estimate-layout { grid-template-columns: 1fr; gap: 56px; }
    .strengths-copy, .estimate-intro { position: static; }
    .process-list { grid-template-columns: 1fr; border-top: 0; }
    .process-list li, .process-list li:first-child, .process-list li:last-child { min-height: 0; display: grid; grid-template-columns: 48px 1fr; gap: 17px; padding: 25px 0; border-top: 1px solid rgba(255,255,255,.15); border-right: 0; }
    .process-list li::before { display: none; }
    .process-list h3 { margin: -4px 0 7px; }
    .footer-top { grid-template-columns: 1.2fr 1fr; }.footer-links { display: none; }
}

@media (max-width: 600px) {
    body { word-break: normal; }
    .site-header { height: 68px; }.primary-nav { top: 68px; }
    .brand-text { font-size: 18px; }.brand-mark { transform: scale(.9); transform-origin: left center; }
    .hero { padding: 117px 0 38px; }
    .hero h1 { font-size: 39px; }
    .hero-lead { font-size: 15px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .button { width: 100%; }
    .hero-trust { gap: 12px; }
    .code-window { transform: none; }
    .window-bar { grid-template-columns: 1fr auto; }.window-bar > span:nth-child(2) { display: none; }
    .code-body { padding: 21px 13px; overflow: hidden; }.code-line { grid-template-columns: 20px 1fr 14px; gap: 6px; padding: 0 8px; font-size: 10px; }
    .metric-grid strong { font-size: 19px; }.metric-grid > div { padding: 17px 11px; }
    .floating-chip { display: none; }
    .hero-stats { margin-top: 45px; }.hero-stats > div { display: block; padding: 17px 11px !important; }.hero-stats strong, .hero-stats span { display: block; }.hero-stats span { margin-top: 2px; font-size: 10px; }
    .section { padding: 76px 0; }
    .section-heading h2, .strengths h2, .process h2, .estimate h2 { font-size: 34px; }
    .service-grid, .experience-grid { grid-template-columns: 1fr; }
    .service-card { min-height: 390px; }
    .experience-card { min-height: 295px; padding: 27px 25px; }.tag-row, .performance-bar { left: 25px; right: 25px; }
    .process-heading { display: block; }
    .two-columns { grid-template-columns: 1fr; gap: 20px; }.form-row .field { margin-bottom: 0; }
    .form-panel { padding: 26px 20px; border-radius: 17px; }
    .contact-choice { align-items: flex-start; flex-wrap: wrap; }.contact-choice legend { float: none; width: 100%; margin-bottom: 2px; }
    .contact-card a, .contact-card > div { grid-template-columns: 77px 1fr; }.contact-card strong { font-size: 13px; word-break: break-all; }
    .footer-top { grid-template-columns: 1fr; gap: 34px; }.footer-bottom { display: block; }.footer-bottom p + p { margin-top: 4px; }
}