/* =========================================================
   LinktheLab — site.css
   레이아웃 기준 (fassto.ai 참고)
   - 헤더: 전체 폭, 높이 72px, 좌우 30px
   - 히어로/배경 섹션: 전체 폭(full-bleed)
   - 콘텐츠 컨테이너: 최대 1080px 중앙 정렬
   ========================================================= */

:root {
    --container: 1080px;
    --header-h: 72px;
    --header-pad: 30px;

    --primary: #2b59ff;
    --primary-dark: #1c42d6;
    --primary-soft: #eaf0ff;
    --accent: #1fc8cf;
    --navy: #0a1224;
    --navy-2: #111c36;

    --ink: #111827;
    --text: #333b4a;
    --muted: #6b7385;
    --line: #e4e8f0;
    --bg: #ffffff;
    --bg-soft: #f4f7fc;

    --radius: 20px;
    --radius-lg: 28px;
    --shadow: 0 10px 30px rgba(17, 24, 39, .06);
    --shadow-hover: 0 20px 48px rgba(43, 89, 255, .14);

    --font: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

.lang-ja { --font: "Noto Sans JP", "Pretendard Variable", Pretendard, "Hiragino Sans", "Yu Gothic", sans-serif; }

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-h);
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    word-break: keep-all;
    overflow-wrap: break-word;
    -webkit-font-smoothing: antialiased;
}

.lang-ja body, body.lang-ja { word-break: normal; line-break: strict; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

.container {
    width: min(var(--container), 100% - 40px);
    margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 700;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: background-color .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
    white-space: nowrap;
}
.btn-sm { height: 38px; padding: 0 14px; font-size: 14px; }
.btn-lg { height: 52px; padding: 0 28px; font-size: 16px; }
.btn-block { width: 100%; }

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(43, 89, 255, .3); }

.btn-outline { border-color: var(--primary); color: var(--primary); background: #fff; }
.btn-outline:hover { background: var(--primary-soft); }

.btn-glass { background: rgba(255, 255, 255, .1); color: #fff; border-color: rgba(255, 255, 255, .35); backdrop-filter: blur(6px); }
.btn-glass:hover { background: rgba(255, 255, 255, .2); }

/* ---------- Header (전체 폭) ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 100;
    height: var(--header-h);
    color: #fff;
    transition: background-color .25s, color .25s, box-shadow .25s;
}
.site-header.is-scrolled {
    background: rgba(255, 255, 255, .97);
    color: var(--ink);
    box-shadow: 0 1px 0 var(--line);
    backdrop-filter: saturate(180%) blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 var(--header-pad);
}

.logo { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-mark { width: 34px; height: 34px; color: currentColor; }
.logo-text { font-size: 19px; font-weight: 800; letter-spacing: -.01em; font-family: "Pretendard Variable", Pretendard, sans-serif; }
.logo-text b { font-weight: 300; }
.site-header.is-scrolled .logo-mark { color: var(--primary); }

.gnb { display: flex; height: 100%; margin-left: 60px; }
.gnb-link {
    display: flex;
    align-items: center;
    height: 100%;
    padding-right: 40px;
    font-size: 16px;
    font-weight: 700;
    position: relative;
}
.gnb-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 40px;
    bottom: 18px;
    height: 2px;
    background: currentColor;
    transform: scaleX(0);
    transition: transform .25s;
}
.gnb-link:hover::after, .gnb-link.is-active::after { transform: scaleX(1); }
.site-header.is-scrolled .gnb-link.is-active { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.header-contact { background: transparent; border-color: rgba(255, 255, 255, .7); color: #fff; }
.header-contact:hover { background: rgba(255, 255, 255, .12); }
.site-header.is-scrolled .header-contact { border-color: var(--primary); color: var(--primary); background: #fff; }
.site-header.is-scrolled .header-contact:hover { background: var(--primary-soft); }

/* 언어 선택 */
.lang { position: relative; margin-right: 8px; }
.lang-btn { display: flex; align-items: center; gap: 6px; height: 38px; padding: 0 8px; font-size: 14px; font-weight: 700; border-radius: 8px; }
.lang-btn svg:first-child { width: 22px; height: 22px; }
.lang-btn svg:last-child { width: 14px; height: 14px; transition: transform .2s; }
.lang.is-open .lang-btn svg:last-child { transform: rotate(180deg); }
.lang-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    padding: 8px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 16px 40px rgba(10, 18, 36, .16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
}
.lang.is-open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-menu a { display: block; padding: 9px 12px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--text); }
.lang-menu a:hover { background: var(--bg-soft); }
.lang-menu a.is-active { color: var(--primary); font-weight: 700; }

.menu-btn { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; }
.menu-btn svg { width: 26px; height: 26px; }

/* 모바일 메뉴 */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: #fff;
    display: flex;
    flex-direction: column;
    padding: 0 20px 32px;
    transform: translateX(100%);
    transition: transform .3s ease;
    visibility: hidden;
}
.mobile-menu.is-open { transform: none; visibility: visible; }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); color: var(--ink); }
.mobile-menu-head .logo-mark { color: var(--primary); }
.mobile-menu .menu-btn { display: flex; }
.mobile-nav { display: flex; flex-direction: column; margin-top: 16px; }
.mobile-nav a { padding: 18px 4px; font-size: 22px; font-weight: 700; color: var(--ink); border-bottom: 1px solid var(--line); }
.mobile-lang { display: flex; gap: 8px; margin-top: auto; }
.mobile-lang a { flex: 1; text-align: center; padding: 12px 0; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; font-weight: 600; }
.mobile-lang a.is-active { border-color: var(--primary); color: var(--primary); background: var(--primary-soft); }

/* ---------- Hero (full-bleed) ---------- */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 680px;
    height: 100vh;
    max-height: 930px;
    padding: var(--header-h) 20px 0;
    overflow: hidden;
    color: #fff;
    text-align: center;
    background:
        radial-gradient(60% 70% at 50% 45%, rgba(43, 89, 255, .35) 0%, rgba(43, 89, 255, 0) 70%),
        radial-gradient(40% 50% at 85% 90%, rgba(31, 200, 207, .22) 0%, rgba(31, 200, 207, 0) 70%),
        linear-gradient(180deg, #08101f 0%, #0b1530 60%, #0a1224 100%);
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(70% 70% at 50% 50%, #000 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000 30%, transparent 100%);
}
.hero-network { position: absolute; inset: 0; width: 100%; height: 100%; }

.net-line {
    fill: none;
    stroke: url(#lineGrad);
    stroke-width: 1.6;
    stroke-dasharray: 6 10;
    animation: dash 6s linear infinite;
}
.net-line--faint { stroke: rgba(255, 255, 255, .1); stroke-width: 1; stroke-dasharray: none; animation: none; }
.net-dot { fill: #7fa1ff; opacity: .7; }
.net-pill { fill: rgba(12, 22, 48, .75); stroke: rgba(127, 161, 255, .45); stroke-width: 1; }
.net-label { fill: #e6ecff; font: 700 15px "Pretendard Variable", Pretendard, sans-serif; letter-spacing: .12em; }
.net-node { animation: float 6s ease-in-out infinite; }

@keyframes dash { to { stroke-dashoffset: -160; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.hero-content { position: relative; z-index: 1; max-width: 900px; }
.hero-eyebrow {
    display: inline-block;
    margin-bottom: 24px;
    padding: 7px 16px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .06em;
    color: #b9cbff;
    border: 1px solid rgba(185, 203, 255, .3);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
}
.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: -.03em;
    text-shadow: 0 4px 30px rgba(0, 0, 0, .35);
}
.hero-desc { margin-top: 24px; font-size: 20px; font-weight: 500; line-height: 1.6; color: rgba(255, 255, 255, .82); }
.hero-buttons { display: flex; justify-content: center; gap: 12px; margin-top: 44px; }
.hero-buttons .btn { min-width: 200px; }

.hero-scroll {
    position: absolute;
    bottom: 28px;
    left: 50%;
    width: 44px;
    height: 44px;
    margin-left: -22px;
    color: rgba(255, 255, 255, .8);
    animation: bounce 2s infinite;
}
.hero-scroll svg { width: 44px; height: 44px; }
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(8px); } }

/* ---------- Sections ---------- */
.section { padding: 160px 0; }
.section-soft { background: var(--bg-soft); }

.eyebrow { font-size: 15px; font-weight: 700; color: var(--primary); letter-spacing: .04em; margin-bottom: 14px; }
.eyebrow-center { text-align: center; }

.section-head { margin-bottom: 64px; }
.section-head-center { text-align: center; }
.section-title { font-size: 44px; font-weight: 800; line-height: 1.32; letter-spacing: -.025em; color: var(--ink); }
.section-desc { margin-top: 20px; font-size: 18px; color: var(--muted); }

/* About */
.intro-text {
    text-align: center;
    font-size: 34px;
    font-weight: 700;
    line-height: 1.6;
    letter-spacing: -.02em;
    color: var(--ink);
}
.intro-text mark {
    color: inherit;
    background: linear-gradient(transparent 62%, rgba(43, 89, 255, .16) 62%);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 96px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.stat { padding: 44px 20px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat-num { display: block; font-size: 60px; font-weight: 800; line-height: 1; color: var(--primary); letter-spacing: -.03em; }
.stat-num small { font-size: 24px; font-weight: 700; margin-left: 4px; }
.stat-label { display: block; margin-top: 14px; font-size: 17px; font-weight: 600; color: var(--text); }

/* Platforms */
.platform-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.platform-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 40px;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid transparent;
    transition: transform .3s, box-shadow .3s, border-color .3s;
}
.platform-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(43, 89, 255, .2); }

.platform-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.platform-mark {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 18px;
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    background: var(--mark, linear-gradient(135deg, #2b59ff, #1fc8cf));
}
.platform-card--withworks { --mark: linear-gradient(135deg, #2b59ff, #5b8cff); }
.platform-card--medisell { --mark: linear-gradient(135deg, #0ea5a4, #34d3b9); }
.platform-card--colscare { --mark: linear-gradient(135deg, #7c4dff, #b18cff); }
.platform-card--korsafety { --mark: linear-gradient(135deg, #f59e0b, #f97316); }

.badge { padding: 6px 12px; font-size: 13px; font-weight: 700; border-radius: 999px; color: var(--primary); background: var(--primary-soft); }
.badge-built { color: #b45309; background: #fff4e0; }

.platform-category { font-size: 15px; font-weight: 600; color: var(--muted); }
.platform-name { margin-top: 6px; font-size: 28px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.platform-name span { margin-left: 6px; font-size: 15px; font-weight: 600; letter-spacing: .08em; color: #a3abbb; }
.platform-desc { margin-top: 16px; font-size: 16px; line-height: 1.7; color: var(--text); flex: 1; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 22px; }
.tags li { padding: 5px 11px; font-size: 13px; font-weight: 600; color: var(--muted); background: var(--bg-soft); border-radius: 6px; }

.platform-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--line);
    font-size: 15px;
    font-weight: 600;
    color: var(--muted);
}
.platform-link-cta { display: inline-flex; align-items: center; gap: 4px; color: var(--primary); font-weight: 700; }
.platform-link-cta svg { width: 18px; height: 18px; transition: transform .2s; }
.platform-link:hover .platform-link-cta svg { transform: translate(2px, -2px); }

/* Services */
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-card {
    position: relative;
    padding: 36px 28px 40px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    transition: border-color .3s, transform .3s, box-shadow .3s;
}
.service-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-num { position: absolute; top: 30px; right: 28px; font-size: 14px; font-weight: 800; color: #c4cbda; }
.service-icon {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    color: var(--primary);
    background: var(--primary-soft);
    transition: background-color .3s, color .3s;
}
.service-icon svg { width: 28px; height: 28px; }
.service-card:hover .service-icon { background: var(--primary); color: #fff; }
.service-title { margin-top: 28px; font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; line-height: 1.4; }
.service-desc { margin-top: 12px; font-size: 15px; line-height: 1.7; color: var(--muted); }

/* Partners */
.section-partners .section-head { margin-bottom: 56px; }
.marquee {
    overflow: hidden;
    padding: 8px 0;
    mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.marquee-track { display: flex; gap: 16px; width: max-content; animation: marquee 40s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
    display: flex;
    align-items: center;
    height: 88px;
    padding: 0 44px;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.01em;
    color: #4a5368;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    white-space: nowrap;
}
@keyframes marquee { to { transform: translateX(-50%); } }

.partner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 48px; }
.partner-card { padding: 22px 16px; text-align: center; border-radius: 14px; background: rgba(255, 255, 255, .6); border: 1px solid var(--line); }
.partner-card strong { display: block; font-size: 16px; font-weight: 800; color: var(--ink); }
.partner-card span { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); }

/* Contact */
.section-contact {
    color: #fff;
    background:
        radial-gradient(50% 60% at 0% 0%, rgba(43, 89, 255, .35), transparent 70%),
        radial-gradient(40% 50% at 100% 100%, rgba(31, 200, 207, .2), transparent 70%),
        var(--navy);
}
.section-contact .eyebrow { color: #8eaaff; }
.section-contact .section-title { color: #fff; }
.section-contact .section-desc { color: rgba(255, 255, 255, .7); }

.contact-grid { display: grid; grid-template-columns: 1fr 520px; gap: 60px; align-items: start; }
.contact-mail {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-top: 40px;
    padding: 16px 22px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    font-weight: 700;
}
.contact-mail svg { width: 24px; height: 24px; color: var(--accent); }
.contact-mail small { display: block; font-size: 12px; font-weight: 500; color: rgba(255, 255, 255, .6); }

.contact-card { padding: 40px; border-radius: var(--radius-lg); background: #fff; color: var(--text); box-shadow: 0 30px 60px rgba(0, 0, 0, .25); }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; margin-bottom: 7px; font-size: 14px; font-weight: 700; color: var(--ink); }
.field label em { font-style: normal; color: var(--primary); }
.field input, .field textarea {
    width: 100%;
    padding: 12px 14px;
    font: inherit;
    font-size: 15px;
    color: var(--ink);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: 10px;
    transition: border-color .2s, background-color .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: #a3abbb; }
.field input:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(43, 89, 255, .12); }
.field.has-error input, .field.has-error textarea { border-color: #e5484d; }
.field-error { margin-top: 6px; font-size: 13px; color: #e5484d; }

.check { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.check input { flex-shrink: 0; width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--primary); }
.check span { font-size: 13px; line-height: 1.6; color: var(--muted); }
.check b { display: block; font-size: 14px; color: var(--ink); }
.check em { font-style: normal; color: var(--primary); font-weight: 600; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.field-count { margin-top: 6px; font-size: 12px; text-align: right; color: #a3abbb; }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; box-shadow: none; }
.alert-error { margin-bottom: 20px; padding: 14px 16px; border-radius: 10px; font-size: 15px; font-weight: 600; color: #b42318; background: #fdecec; }

.alert-success { margin-bottom: 20px; padding: 14px 16px; border-radius: 10px; font-size: 15px; font-weight: 600; color: #0f7a4c; background: #e7f8ef; }

/* ---------- Footer ---------- */
.site-footer { padding: 72px 0 40px; background: #070d1a; color: rgba(255, 255, 255, .6); font-size: 14px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.logo-light { color: #fff; }
.footer-brand p { margin-top: 16px; }
.footer-info { display: flex; flex-wrap: wrap; gap: 6px 18px; max-width: 520px; margin-top: 20px; font-size: 13px; line-height: 1.6; }
.footer-info li { display: flex; gap: 6px; }
.footer-info span { color: rgba(255, 255, 255, .4); white-space: nowrap; }
.footer-info a:hover { color: #fff; }
.footer-cols { display: flex; gap: 72px; }
.footer-cols h4 { margin-bottom: 16px; font-size: 14px; font-weight: 700; color: #fff; }
.footer-cols li + li { margin-top: 10px; }
.footer-cols a:hover { color: #fff; }
.footer-bottom { padding-top: 28px; font-size: 13px; }

.to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 90;
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: #fff;
    color: var(--ink);
    box-shadow: 0 8px 24px rgba(10, 18, 36, .16);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .3s, transform .3s, visibility .3s;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 24px; height: 24px; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(32px); transition: opacity .8s ease, transform .8s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .js .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
    .gnb { margin-left: 40px; }
    .gnb-link { padding-right: 28px; }
    .gnb-link::after { right: 28px; }
    .header-contact { display: none; }
}

@media (max-width: 1024px) {
    :root { --header-h: 64px; --header-pad: 20px; }
    .gnb, .header-cta { display: none; }
    .menu-btn { display: flex; }
    .lang { margin-right: 0; }

    .section { padding: 112px 0; }
    .hero-title { font-size: 48px; }
    .section-title { font-size: 36px; }
    .intro-text { font-size: 28px; }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .partner-grid { grid-template-columns: repeat(3, 1fr); }
    .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

@media (max-width: 720px) {
    body { font-size: 15px; }
    .section { padding: 88px 0; }
    .section-head { margin-bottom: 40px; }

    .hero { min-height: 600px; height: 92vh; }
    .hero-title { font-size: 34px; }
    .hero-desc { font-size: 16px; }
    .hero-desc br, .intro-text br { display: none; }
    .hero-buttons { flex-direction: column; align-items: stretch; width: 100%; max-width: 320px; margin-inline: auto; }
    .hero-buttons .btn { min-width: 0; }
    .net-label { font-size: 13px; }

    .section-title { font-size: 28px; }
    .section-desc { font-size: 16px; }
    .intro-text { font-size: 21px; }

    .stats { grid-template-columns: 1fr; margin-top: 56px; }
    .stat { padding: 28px 12px; }
    .stat + .stat { border-left: 0; border-top: 1px solid var(--line); }
    .stat-num { font-size: 44px; }

    .platform-grid, .service-grid { grid-template-columns: 1fr; }
    .platform-card, .contact-card { padding: 28px 22px; }
    .platform-name { font-size: 24px; }

    .marquee-item { height: 68px; padding: 0 28px; font-size: 18px; }
    .partner-grid { grid-template-columns: repeat(2, 1fr); }

    .form-row { grid-template-columns: 1fr; }

    .footer-top { flex-direction: column; }
    .footer-cols { gap: 40px; flex-wrap: wrap; }
    .to-top { right: 16px; bottom: 16px; width: 48px; height: 48px; }
}