@charset "utf-8";

/* ============================================================
   Netxo 홈페이지 스타일시트
   컨셉 : White + Blue 미니멀 SaaS / 넓은 여백 / 둥근 카드
   ============================================================ */

:root {
    --primary: #1e6ef4;
    --primary-dark: #0b46a8;
    --primary-deep: #072f6b;
    --sky: #38b6ff;
    --grad: linear-gradient(135deg, #38b6ff 0%, #1e6ef4 100%);
    --grad-soft: linear-gradient(160deg, #f2f8ff 0%, #e8f1fe 55%, #dcebfd 100%);
    --ink: #10203c;
    --muted: #5b6b82;
    --line: #e3eaf4;
    --bg-soft: #f5f9fe;
    --white: #ffffff;
    --radius-lg: 24px;
    --radius-md: 16px;
    --shadow-card: 0 6px 24px rgba(16, 62, 143, .08);
    --shadow-card-hover: 0 14px 34px rgba(16, 62, 143, .14);
    --maxw: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
    font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Malgun Gothic", sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.65;
    letter-spacing: -0.01em;
    word-break: keep-all;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

section { padding: 110px 0; }
section.tight { padding: 90px 0; }

/* 공통 타이틀 */
.sec-head { text-align: center; margin-bottom: 56px; }
.sec-head .eyebrow {
    display: inline-block;
    font-size: 14px; font-weight: 700;
    color: var(--primary);
    background: #e8f1fe;
    padding: 6px 16px; border-radius: 999px;
    margin-bottom: 16px;
}
.sec-head h2 { font-size: 40px; font-weight: 800; line-height: 1.3; }
.sec-head p.desc { margin-top: 14px; font-size: 18px; color: var(--muted); }

/* 스크롤 리빌 */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.on { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }

/* ============ GNB ============ */
.gnb {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255, 255, 255, .86);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s, box-shadow .3s;
}
.gnb.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 18px rgba(16, 62, 143, .06); }
.gnb .bar { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.gnb .logo img { height: 34px; width: auto; }
.gnb nav ul { display: flex; gap: 6px; }
.gnb nav a {
    display: block; padding: 9px 14px;
    font-size: 15px; font-weight: 600; color: var(--ink);
    border-radius: 10px;
    transition: color .2s, background .2s;
}
.gnb nav a:hover { color: var(--primary); background: #eef5fe; }
.gnb nav a.active { color: var(--primary); }
.gnb .gnb-cta {
    display: inline-block;
    background: var(--grad); color: #fff;
    font-size: 15px; font-weight: 700;
    padding: 11px 22px; border-radius: 999px;
    box-shadow: 0 6px 16px rgba(30, 110, 244, .3);
    transition: transform .2s, box-shadow .2s;
}
.gnb .gnb-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(30, 110, 244, .4); }

.menu-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; position: relative; }
.menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
    content: ""; display: block; position: absolute; left: 10px;
    width: 24px; height: 2.5px; border-radius: 2px; background: var(--ink);
    transition: transform .3s, opacity .3s;
}
.menu-toggle span { top: 21px; }
.menu-toggle span::before { top: -8px; left: 0; }
.menu-toggle span::after { top: 8px; left: 0; }
.menu-toggle.open span { background: transparent; }
.menu-toggle.open span::before { transform: translateY(8px) rotate(45deg); }
.menu-toggle.open span::after { transform: translateY(-8px) rotate(-45deg); }

/* ============ 히어로 ============ */
.hero {
    position: relative; overflow: hidden;
    padding: 190px 0 130px;
    background: var(--grad-soft);
}
.hero::before {
    content: ""; position: absolute; inset: 0;
    background: url("../images/hero-map.png") no-repeat right -60px top 40px / 820px auto;
    opacity: .5; pointer-events: none;
}
.hero .inner { position: relative; display: flex; align-items: center; gap: 60px; }
.hero-copy { flex: 1.15; }
.badge-patent {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; border: 1px solid var(--line);
    font-size: 13.5px; font-weight: 700; color: var(--primary-dark);
    padding: 8px 16px; border-radius: 999px;
    box-shadow: 0 4px 12px rgba(16, 62, 143, .07);
    margin-bottom: 26px;
}
.badge-patent .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad); }
.hero h1 { font-size: 46px; font-weight: 800; line-height: 1.35; }
.hero h1 .accent {
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.hero p.sub { margin-top: 22px; font-size: 19px; color: var(--muted); max-width: 560px; }
.hero-btns { display: flex; gap: 14px; margin-top: 38px; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 17px; font-weight: 700;
    padding: 16px 32px; border-radius: 999px;
    transition: transform .2s, box-shadow .2s, background .2s;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(30, 110, 244, .32); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(30, 110, 244, .42); }
.btn-ghost { background: #fff; color: var(--primary); border: 1.5px solid #bcd6fb; }
.btn-ghost:hover { background: #eef5fe; transform: translateY(-3px); }

.hero-visual { flex: 1; position: relative; min-height: 480px; }
.hero-visual .phone {
    position: absolute; width: 250px;
    border-radius: 28px; overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(9, 45, 108, .22);
    background: #fff;
}
.hero-visual .phone img { width: 100%; }
.hero-visual .phone.p1 { left: 6%; top: 40px; z-index: 2; }
.hero-visual .phone.p2 { right: 4%; top: 0; width: 230px; transform: rotate(4deg); opacity: .96; }
.hero-visual .float-chip {
    position: absolute; z-index: 3;
    background: #fff; border-radius: 14px;
    box-shadow: 0 10px 26px rgba(9, 45, 108, .16);
    font-size: 13.5px; font-weight: 700; color: var(--ink);
    padding: 10px 16px;
    display: flex; align-items: center; gap: 8px;
}
.float-chip .flag { font-size: 17px; }
.float-chip.c1 { left: -12px; top: 200px; animation: floaty 4s ease-in-out infinite; }
.float-chip.c2 { right: -6px; top: 320px; animation: floaty 4.6s .8s ease-in-out infinite; }
.float-chip.c3 { left: 30%; bottom: -6px; animation: floaty 5s .4s ease-in-out infinite; }
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ============ 신뢰 스탯 밴드 ============ */
.stats-band { background: var(--primary-deep); padding: 54px 0; }
.stats-band .inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; color: #fff; }
.stat .num { font-size: 40px; font-weight: 800; line-height: 1.2; }
.stat .num small { font-size: 22px; font-weight: 700; }
.stat .label { margin-top: 6px; font-size: 15px; color: #a8c6f5; }

/* ============ Why Netxo ============ */
.why { background: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 34px 26px;
    box-shadow: var(--shadow-card);
    transition: transform .25s, box-shadow .25s;
}
.why-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card-hover); }
.why-card .icon {
    width: 56px; height: 56px; border-radius: 16px;
    background: #e8f1fe; color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.why-card .icon svg { width: 28px; height: 28px; }
.why-card h3 { font-size: 19.5px; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 15px; color: var(--muted); }

/* ============ 기능 / 이용 방법 ============ */
.how { background: var(--bg-soft); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 70px; }
.step-card {
    position: relative;
    background: #fff; border-radius: var(--radius-lg);
    padding: 36px 28px; text-align: center;
    box-shadow: var(--shadow-card);
}
.step-card .step-no {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--grad); color: #fff;
    font-size: 18px; font-weight: 800;
    margin-bottom: 18px;
}
.step-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.step-card p { font-size: 15px; color: var(--muted); }
.step-card .arrow {
    position: absolute; right: -24px; top: 50%; transform: translateY(-50%);
    color: #b9d2f8; z-index: 2;
}

/* 시스템 구조도 */
.flow-wrap {
    background: #fff; border-radius: var(--radius-lg);
    padding: 48px 40px; box-shadow: var(--shadow-card);
}
.flow-wrap h3 { text-align: center; font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.flow-wrap > p { text-align: center; font-size: 15.5px; color: var(--muted); margin-bottom: 36px; }
.flow { display: flex; align-items: stretch; justify-content: center; gap: 14px; flex-wrap: wrap; }
.flow-node {
    flex: 1; min-width: 170px; max-width: 230px;
    background: var(--bg-soft); border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 24px 18px; text-align: center;
}
.flow-node.core { background: var(--grad); border: 0; color: #fff; }
.flow-node .t { font-size: 17px; font-weight: 800; }
.flow-node .s { margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.flow-node.core .s { color: #dcebff; }
.flow-arr { align-self: center; color: #9cc0f7; flex: 0 0 auto; }
.flow-extra { display: flex; justify-content: center; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.flow-extra .chip {
    background: #e8f1fe; color: var(--primary-dark);
    font-size: 14px; font-weight: 700;
    padding: 9px 18px; border-radius: 999px;
}

/* ============ 활용방안 ============ */
.usecases { background: #fff; }
.uc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.uc-card {
    position: relative;
    border: 1px solid var(--line); border-radius: var(--radius-md);
    padding: 30px 22px;
    transition: border-color .25s, transform .25s, box-shadow .25s;
    overflow: hidden;
}
.uc-card:hover { border-color: #bcd6fb; transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.uc-card .icon { color: var(--primary); margin-bottom: 14px; }
.uc-card .icon svg { width: 30px; height: 30px; }
.uc-card h3 { font-size: 17.5px; font-weight: 700; }
.uc-card p { margin-top: 8px; font-size: 14px; color: var(--muted); }
.uc-quote {
    margin-top: 60px; text-align: center;
    font-size: 24px; font-weight: 700; color: var(--primary-deep); line-height: 1.5;
}
.uc-quote strong { color: var(--primary); }

/* ============ 도입 사례 ============ */
.cases { background: var(--bg-soft); }
.screens { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-bottom: 80px; }
.screen-card { text-align: center; }
.screen-card .frame {
    border-radius: 26px; overflow: hidden;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-card);
    background: #fff;
    transition: transform .25s, box-shadow .25s;
}
.screen-card .frame:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.screen-card .cap { margin-top: 16px; font-size: 16px; font-weight: 700; }
.screen-card .cap small { display: block; font-weight: 500; color: var(--muted); margin-top: 3px; font-size: 13.5px; }

.gallery-title { text-align: center; font-size: 26px; font-weight: 800; margin-bottom: 30px; }
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.g-item {
    position: relative; border-radius: var(--radius-md); overflow: hidden;
    cursor: zoom-in; aspect-ratio: 4 / 2.7;
    box-shadow: var(--shadow-card);
}
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.g-item:hover img { transform: scale(1.06); }
.g-item .tag {
    position: absolute; left: 12px; bottom: 12px;
    background: rgba(7, 47, 107, .78); color: #fff;
    font-size: 12.5px; font-weight: 700;
    padding: 5px 12px; border-radius: 999px;
    backdrop-filter: blur(4px);
}

/* 라이트박스 */
.lightbox {
    position: fixed; inset: 0; z-index: 200;
    background: rgba(7, 18, 38, .88);
    display: none; align-items: center; justify-content: center;
    padding: 40px;
}
.lightbox.show { display: flex; }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 12px; }
.lightbox .close {
    position: absolute; top: 24px; right: 30px;
    background: none; border: 0; color: #fff; font-size: 40px; line-height: 1;
}

/* ============ 특허 ============ */
.patent { background: #fff; }
.patent .inner { display: flex; align-items: center; gap: 70px; }
.patent-img { flex: 0 0 360px; }
.patent-img img {
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    box-shadow: 0 18px 44px rgba(9, 45, 108, .16);
}
.patent-copy { flex: 1; }
.patent-copy .eyebrow {
    display: inline-block; font-size: 14px; font-weight: 700;
    color: var(--primary); background: #e8f1fe;
    padding: 6px 16px; border-radius: 999px; margin-bottom: 18px;
}
.patent-copy h2 { font-size: 34px; font-weight: 800; line-height: 1.35; margin-bottom: 20px; }
.patent-copy p { font-size: 16.5px; color: var(--muted); margin-bottom: 14px; }
.patent-copy .pt-no {
    display: inline-block; margin-top: 10px;
    background: var(--primary-deep); color: #fff;
    font-size: 15px; font-weight: 700;
    padding: 12px 22px; border-radius: 12px;
}

/* ============ 요금제 ============ */
.pricing { background: var(--bg-soft); }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price-card {
    position: relative;
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-card);
    display: flex; flex-direction: column;
    transition: transform .25s, box-shadow .25s;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card-hover); }
.price-card.featured { border: 2px solid var(--primary); }
.price-card .plan-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--grad); color: #fff;
    font-size: 13px; font-weight: 700;
    padding: 6px 18px; border-radius: 999px;
    white-space: nowrap;
}
.price-card h3 { font-size: 22px; font-weight: 800; }
.price-card .plan-desc { margin-top: 6px; font-size: 14.5px; color: var(--muted); }
.price-card ul { margin: 26px 0 30px; flex: 1; }
.price-card ul li {
    position: relative; padding: 9px 0 9px 30px;
    font-size: 15.5px; border-bottom: 1px dashed var(--line);
}
.price-card ul li::before {
    content: ""; position: absolute; left: 2px; top: 14px;
    width: 18px; height: 18px; border-radius: 50%;
    background: #e8f1fe url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231e6ef4' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center / 11px no-repeat;
}
.price-card .btn-plan {
    display: block; text-align: center;
    font-size: 16px; font-weight: 700;
    padding: 14px; border-radius: 999px;
    background: #eef5fe; color: var(--primary);
    transition: background .2s, color .2s;
}
.price-card .btn-plan:hover, .price-card.featured .btn-plan { background: var(--grad); color: #fff; }
.price-note { margin-top: 28px; text-align: center; font-size: 14.5px; color: var(--muted); }

/* ============ 도입 절차 ============ */
.process { background: #fff; }
.proc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.proc-card {
    position: relative;
    background: var(--bg-soft); border-radius: var(--radius-md);
    padding: 32px 24px;
}
.proc-card .no {
    font-size: 42px; font-weight: 800; line-height: 1;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    margin-bottom: 16px;
}
.proc-card h3 { font-size: 18.5px; font-weight: 700; margin-bottom: 8px; }
.proc-card p { font-size: 14.5px; color: var(--muted); }

/* ============ 지원 언어 & FAQ ============ */
.faq { background: var(--bg-soft); }
.lang-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 80px; }
.lang-chips .chip {
    background: #fff; border: 1px solid var(--line);
    font-size: 15px; font-weight: 600;
    padding: 11px 20px; border-radius: 999px;
    box-shadow: 0 3px 10px rgba(16, 62, 143, .05);
    display: inline-flex; align-items: center; gap: 8px;
}
.lang-chips .chip .flag { font-size: 18px; }
.lang-note { text-align: center; font-size: 14px; color: var(--muted); margin: -62px 0 80px; }

.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-md);
    margin-bottom: 14px; overflow: hidden;
}
.faq-item .q {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
    background: none; border: 0; text-align: left;
    padding: 22px 26px;
    font-size: 17px; font-weight: 700; color: var(--ink);
}
.faq-item .q .qmark { color: var(--primary); margin-right: 8px; font-weight: 800; }
.faq-item .q .tgl { flex: 0 0 auto; transition: transform .3s; color: var(--muted); }
.faq-item.open .q .tgl { transform: rotate(180deg); color: var(--primary); }
.faq-item .a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item .a p { padding: 0 26px 22px; font-size: 15.5px; color: var(--muted); }

/* ============ 문의 ============ */
.contact { background: #fff; }
.contact-wrap { display: flex; gap: 60px; align-items: flex-start; }
.contact-info { flex: 0 0 340px; }
.contact-info h2 { font-size: 36px; font-weight: 800; line-height: 1.35; margin-bottom: 18px; }
.contact-info > p { font-size: 16.5px; color: var(--muted); margin-bottom: 34px; }
.contact-info .direct { display: flex; flex-direction: column; gap: 16px; }
.direct .item {
    display: flex; align-items: center; gap: 14px;
    background: var(--bg-soft); border-radius: var(--radius-md);
    padding: 18px 20px;
}
.direct .item .ic {
    width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto;
    background: var(--grad); color: #fff;
    display: flex; align-items: center; justify-content: center;
}
.direct .item .ic svg { width: 20px; height: 20px; }
.direct .item .tt { font-size: 13px; color: var(--muted); }
.direct .item .vv { font-size: 16.5px; font-weight: 700; }

.contact-form {
    flex: 1;
    background: var(--bg-soft);
    border-radius: var(--radius-lg);
    padding: 44px 40px;
}
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: 14.5px; font-weight: 700; margin-bottom: 8px; }
.form-field label .req { color: #e2494a; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    font-family: inherit; font-size: 15.5px; color: var(--ink);
    background: #fff; border: 1.5px solid var(--line);
    border-radius: 12px;
    padding: 13px 16px;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 110, 244, .14);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.lang-check { display: flex; flex-wrap: wrap; gap: 10px; }
.lang-check label {
    display: inline-flex; align-items: center; gap: 6px;
    background: #fff; border: 1.5px solid var(--line);
    border-radius: 999px; padding: 8px 16px;
    font-size: 14px; font-weight: 600; margin: 0;
    cursor: pointer; transition: border-color .2s, background .2s, color .2s;
}
.lang-check input { display: none; }
.lang-check label.checked { background: var(--grad); border-color: transparent; color: #fff; }
.agree-row { display: flex; align-items: flex-start; gap: 10px; margin-top: 22px; font-size: 14px; color: var(--muted); }
.agree-row input { margin-top: 4px; width: 16px; height: 16px; accent-color: var(--primary); }
.form-submit {
    margin-top: 28px; width: 100%;
    background: var(--grad); color: #fff;
    font-size: 18px; font-weight: 800;
    border: 0; border-radius: 999px;
    padding: 18px;
    box-shadow: 0 8px 22px rgba(30, 110, 244, .32);
    transition: transform .2s, box-shadow .2s;
}
.form-submit:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(30, 110, 244, .42); }
.form-msg { margin-top: 16px; font-size: 15px; font-weight: 600; text-align: center; display: none; }
.form-msg.err { display: block; color: #e2494a; }
.form-msg.ok { display: block; color: #14914a; }

/* ============ 푸터 ============ */
footer { background: var(--primary-deep); color: #b8cdee; padding: 56px 0 44px; }
footer .inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
footer .f-logos { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
footer .f-logos img { height: 36px; width: auto; }
footer .f-logos img.sj { height: 30px; }
footer .f-divider { width: 1px; height: 26px; background: rgba(255, 255, 255, .25); }
footer .f-brand p { font-size: 14px; line-height: 1.9; }
footer .f-links { display: flex; gap: 60px; }
footer .f-links h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
footer .f-links a { display: block; font-size: 14px; padding: 4px 0; color: #b8cdee; }
footer .f-links a:hover { color: #fff; }
footer .copy { margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 13px; text-align: center; color: #7d99c7; }

/* 플로팅 CTA */
.float-cta {
    position: fixed; right: 28px; bottom: 28px; z-index: 90;
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--grad); color: #fff;
    font-size: 15.5px; font-weight: 700;
    padding: 15px 26px; border-radius: 999px;
    box-shadow: 0 10px 28px rgba(30, 110, 244, .4);
    opacity: 0; visibility: hidden; transform: translateY(14px);
    transition: opacity .3s, transform .3s, visibility .3s;
}
.float-cta.show { opacity: 1; visibility: visible; transform: none; }

/* ============ 반응형 ============ */
@media (max-width: 1024px) {
    .sec-head h2 { font-size: 33px; }
    .hero h1 { font-size: 38px; }
    .hero .inner { flex-direction: column; }
    .hero-visual { width: 100%; min-height: 440px; }
    .why-grid, .uc-grid, .proc-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-band .inner { grid-template-columns: repeat(2, 1fr); gap: 34px; }
    .patent .inner { flex-direction: column; }
    .patent-img { flex: none; max-width: 380px; }
    .contact-wrap { flex-direction: column; }
    .contact-info { flex: none; width: 100%; }
    .contact-form { width: 100%; }
    .step-card .arrow { display: none; }
}

@media (max-width: 720px) {
    section { padding: 76px 0; }
    .gnb nav {
        position: fixed; top: 72px; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--line);
        box-shadow: 0 16px 30px rgba(16, 62, 143, .1);
        display: none; padding: 12px 20px 20px;
    }
    .gnb nav.open { display: block; }
    .gnb nav ul { flex-direction: column; gap: 2px; }
    .gnb nav a { padding: 13px 12px; font-size: 16px; }
    .gnb .gnb-cta { display: none; }
    .menu-toggle { display: block; }
    .hero { padding: 130px 0 90px; }
    .hero h1 { font-size: 30px; }
    .hero p.sub { font-size: 16.5px; }
    .btn-primary, .btn-ghost { font-size: 15.5px; padding: 14px 24px; }
    .hero-visual { min-height: 0; display: flex; gap: 14px; justify-content: center; }
    .hero-visual .phone { position: static; width: 46%; }
    .hero-visual .phone.p2 { transform: none; }
    .float-chip { display: none; }
    .steps, .screens, .gallery, .price-grid { grid-template-columns: 1fr; }
    .why-grid, .uc-grid, .proc-grid { grid-template-columns: 1fr; }
    .stats-band .inner { grid-template-columns: repeat(2, 1fr); }
    .stat .num { font-size: 30px; }
    .form-grid { grid-template-columns: 1fr; }
    .contact-form { padding: 32px 22px; }
    .flow { flex-direction: column; align-items: stretch; }
    .flow-node { max-width: none; }
    .flow-arr { transform: rotate(90deg); align-self: center; }
    footer .f-links { gap: 36px; flex-wrap: wrap; }
    .float-cta { right: 16px; bottom: 16px; font-size: 14px; padding: 13px 20px; }
}