/* ==========================================================================
   DEXWEAVER — Redesign v2
   Premium minimal + tech direction
   원본(styles.css)은 보존하고, 이 파일은 index.redesign.html 전용입니다.
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
    /* Color — neutral base */
    --bg: #ffffff;
    --bg-soft: #f6f7f9;
    --bg-soft-2: #eef0f4;
    --ink: #121a28;
    --text: #292e3a;
    --muted: #6a7180;
    --line: #e7e9ee;

    /* Color — accent */
    --accent: #1f6bff;
    --accent-ink: #0b46c4;
    --accent-soft: rgba(31, 107, 255, 0.08);
    --cyan: #1fe3ff;

    /* Color — dark sections */
    --navy: #0d1327;
    --navy-1: #101b33;
    --navy-2: #16243f;
    --navy-card: #172641;

    /* Sidebar */
    --sidebar-w: 280px;

    /* Radius */
    --r-sm: 8px;
    --r: 14px;
    --r-lg: 22px;
    --r-pill: 999px;

    /* Shadow */
    --shadow-sm: 0 1px 2px rgba(10, 14, 22, 0.04), 0 2px 8px rgba(10, 14, 22, 0.04);
    --shadow: 0 10px 30px rgba(10, 14, 22, 0.08);
    --shadow-lg: 0 24px 60px rgba(10, 14, 22, 0.12);
    --glow: 0 0 40px rgba(31, 227, 255, 0.25);

    /* Motion */
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow: hidden;
    height: 100%;
}

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Utilities */
.white { color: #fff !important; }
.blue-text { color: var(--accent); }
.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
}

/* 문장 단위 줄바꿈 — 문장이 줄 끝에서 중간에 끊기지 않고 통째로 다음 줄에서 시작 */
.ln-s { display: inline-block; }
/* 제목: 줄 길이를 균형있게 / 본문: 마지막 줄 고아단어 방지 */
.main-title, .tech-main-title, .about-main-title, .identity-title,
.ps-title, .fh-text h4, .sc-name, .vb-q, .sol-feature-item h4 { text-wrap: balance; }
.description, .tech-sub-copy, .identity-desc, .sc-desc, .ps-desc,
.note, .stat-desc, .fh-text p, .phm-roi-bar { text-wrap: pretty; }

/* ==========================================================================
   SIDEBAR
   ========================================================================== */
.sidebar {
    width: var(--sidebar-w);
    height: 100vh; height: 100dvh;
    position: fixed;
    left: 0; top: 0;
    background: #f8f9fa;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    padding: 36px 30px;
    z-index: 1000;
    transition: transform 0.4s var(--ease);
}

.logo-area { display: flex; align-items: center; }
.logo {
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: -1px;
    text-transform: uppercase;
    color: var(--ink);
    cursor: pointer;
}

.side-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.side-nav ul { display: flex; flex-direction: column; gap: 24px; }
.nav-link {
    position: relative;
    display: block;
    font-size: 14px;
    text-transform: uppercase;
    color: var(--muted);
    transition: color 0.3s var(--ease);
}
.nav-link:hover { color: var(--ink); }
.nav-link.active { color: var(--ink); font-weight: 700; padding-left: 15px; }
.nav-link.active::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 2px; height: 16px;
    background: var(--accent);
}

.demo-btn {
    display: block;
    margin-top: 15px;
    padding: 12px;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent) !important;
    border: 1px solid var(--accent);
    border-radius: 4px;
    transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.demo-btn:hover { background: var(--accent); color: #fff !important; }

.sidebar-footer { padding-top: 22px; border-top: 1px solid var(--line); font-size: 0.7rem; color: #9aa0ab; }
.biz-info p { margin-bottom: 4px; line-height: 1.5; word-break: keep-all; }
.biz-name { font-weight: 700; color: var(--text); margin-bottom: 6px; font-size: 0.76rem; }
.copyright { margin-top: 14px; color: #b8bdc6; }

/* Mobile top bar + toggle (hidden on desktop) */
.mobile-bar { display: none; }
.nav-toggle { display: none; }

/* ==========================================================================
   PAGE CONTAINERS / TRANSITIONS
   ========================================================================== */
.page-container {
    margin-left: var(--sidebar-w);
    width: calc(100% - var(--sidebar-w));
    height: 100vh; height: 100dvh;
    position: relative;
}
.sub-page {
    position: absolute;
    left: 0; top: 100%;
    width: 100%; height: 100vh; height: 100dvh;
    background: var(--bg);
    overflow: hidden;
    z-index: 10;
    transition: top 0.8s var(--ease);
}
.sub-page.active { top: 0; z-index: 20; }

.full-scroll-container {
    width: 100%; height: 100%;
    overflow-y: auto;
    scroll-behavior: smooth;
}
.full-scroll-container::-webkit-scrollbar { width: 0; display: none; }

.inner-wrap { max-width: 1180px; margin: 0 auto; width: 100%; }

/* ---------- Scroll reveal ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1 !important; transform: none !important; }
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------- Section labels / titles ---------- */
.section-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    padding-left: 14px;
    border-left: 3px solid var(--accent);
    margin-bottom: 22px;
}
.section-label.neon-blue {
    color: var(--cyan);
    border-left-color: var(--cyan);
    margin-bottom: 40px;
}
.main-title {
    font-size: clamp(2rem, 1.2rem + 2.6vw, 3.1rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--ink);
    word-break: keep-all;
    margin-bottom: 22px;
}
.main-title.white { color: #fff; }

/* ==========================================================================
   HOME
   ========================================================================== */
.hero-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100%;
    padding: clamp(40px, 6vh, 80px) clamp(24px, 7vw, 110px);
    gap: 48px;
}
.hero-content { flex: 1.15; max-width: 560px; }
.badge-tech {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--accent);
    padding: 7px 14px;
    border: 1px solid var(--accent-soft);
    background: var(--accent-soft);
    border-radius: var(--r-pill);
    margin-bottom: 24px;
}
.hero-content .main-title {
    font-size: clamp(2.2rem, 1.4rem + 2.8vw, 3.4rem);
    line-height: 1.28;
    margin-bottom: 24px;
}
.hero-content .description {
    font-size: clamp(1rem, 0.95rem + 0.3vw, 1.18rem);
    color: var(--muted);
    line-height: 1.85;
    margin-bottom: 40px;
}
.hero-image-box { flex: 1; display: flex; justify-content: flex-end; }
.home-robot-img {
    width: 100%;
    max-width: 600px;
    border-radius: var(--r-lg);
    filter: drop-shadow(0 40px 80px rgba(10, 14, 22, 0.1));
}

.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 1rem 2.2rem;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--r-sm);
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.btn-primary { background: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-secondary:hover { transform: translateY(-3px); border-color: var(--ink); background: var(--bg-soft); }

/* ---------- Fade-in (home initial) ---------- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: none; } }
.animate-element { opacity: 0; animation: fadeInUp 0.9s var(--ease-out) forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.28s; }
.delay-3 { animation-delay: 0.46s; }
.delay-4 { animation-delay: 0.62s; }

/* ==========================================================================
   ABOUT
   ========================================================================== */
.about-hero { position: relative; width: 100%; height: 72vh; overflow: hidden; }
.about-full-img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.6); }
.about-hero::after {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(6,9,18,0.1) 0%, rgba(6,9,18,0.55) 100%);
}
.about-hero-overlay { position: absolute; left: clamp(24px, 8vw, 110px); top: 56%; transform: translateY(-50%); z-index: 2; }
.about-sub-label.white { display: block; color: #fff; opacity: 0.85; font-weight: 500; font-size: 0.9rem; letter-spacing: 0.3em; margin-bottom: 22px; }
.about-main-title { font-size: clamp(2.2rem, 1.4rem + 3vw, 3.5rem); font-weight: 800; line-height: 1.28; color: #fff; letter-spacing: -0.02em; word-break: keep-all; }

.about-info-section, .about-impact-bridge, .about-footer { padding: clamp(70px, 9vw, 140px) clamp(24px, 8vw, 110px); }

.identity-grid-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 70px;
    align-items: start;
    padding-bottom: 80px;
    margin-bottom: 100px;
    border-bottom: 1px solid var(--line);
}
.identity-title { font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.3rem); line-height: 1.35; margin: 10px 0 0; }
.identity-desc { color: #4b5160; font-size: clamp(1rem, 0.95rem + 0.4vw, 1.15rem); line-height: 1.9; word-break: keep-all; }
.identity-desc strong { color: var(--ink); font-weight: 700; }

.tech-deep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px 80px; margin-top: 50px; }
.tech-item h4 { font-size: 0.95rem; font-weight: 700; letter-spacing: 0.05em; color: var(--accent); margin-bottom: 6px; }
.tech-item h5 { font-size: clamp(1.2rem, 1rem + 0.7vw, 1.5rem); font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.tech-item p { color: var(--muted); line-height: 1.8; }
.tech-icon-circle {
    width: 58px; height: 58px;
    display: flex; align-items: center; justify-content: center;
    background: var(--accent-soft);
    color: var(--accent);
    border-radius: 16px;
    font-size: 1.7rem;
    margin-bottom: 20px;
}

.hover-card { transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease); border-radius: var(--r); }
.hover-card:hover { transform: translateY(-6px); }
.tech-item { padding: 22px; border-radius: var(--r); }
.tech-item.hover-card:hover { background: #fff; box-shadow: var(--shadow); }

.about-simulation-visual { width: 100%; height: 64vh; background: var(--navy); }
.simulation-img { width: 100%; height: 100%; object-fit: cover; }

.about-impact-bridge { background: var(--bg-soft); }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 60px; }
.stat-text-box {
    padding: 36px 32px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    text-align: left;
}
.stat-num { display: block; font-size: clamp(3rem, 2rem + 3vw, 4.4rem); font-weight: 800; line-height: 1; letter-spacing: -0.03em; color: var(--accent); margin-bottom: 14px; }
.stat-desc { color: var(--muted); font-weight: 500; }
.stat-source { font-size: 0.84rem; color: #9aa0ab; margin-top: 36px; }

.about-collaboration { background: var(--navy); padding: clamp(70px, 9vw, 120px) clamp(24px, 8vw, 110px); }
.collab-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 54px; }
.collab-item {
    display: flex; align-items: flex-start; gap: 18px;
    padding: 32px 26px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--r);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.collab-item:hover { transform: translateY(-5px); background: rgba(255, 255, 255, 0.06); border-color: rgba(31, 227, 255, 0.3); }
.blue-bar { flex-shrink: 0; width: 4px; height: 48px; border-radius: 4px; background: linear-gradient(180deg, var(--cyan), var(--accent)); }
.collab-text { display: flex; flex-direction: column; gap: 8px; }
.collab-badge { align-self: flex-start; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.6); border: 1px solid rgba(255,255,255,0.18); padding: 3px 10px; border-radius: var(--r-pill); }
.collab-item p { color: #fff; font-size: 1.1rem; font-weight: 700; }

.about-footer { text-align: center; padding: clamp(90px, 12vw, 170px) 8%; }
.outro-minimal { font-size: 1.05rem; color: #9aa0ab !important; letter-spacing: 0.3em; text-transform: uppercase; font-weight: 300; }
.outro-minimal strong { font-weight: 800; color: #6a7180 !important; margin-left: 10px; }

/* ==========================================================================
   SOLUTION
   ========================================================================== */
.solution-page { background: radial-gradient(120% 80% at 50% 0%, var(--navy-1) 0%, var(--navy) 70%); color: #fff; }
.sol-section { padding: 64px 0; }
.sol-section.hero { padding: 110px 0 50px; }
.sol-section .inner-wrap { padding: 0 clamp(24px, 8vw, 80px); }
.tech-main-title { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.9rem); font-weight: 800; line-height: 1.32; letter-spacing: -0.02em; color: #fff; margin-bottom: 22px; word-break: keep-all; }
.tech-sub-copy { color: rgba(255,255,255,0.68); font-size: clamp(1rem, 0.95rem + 0.4vw, 1.15rem); line-height: 1.85; margin-bottom: 50px; }

.sol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.sol-img {
    width: 100%;
    border-radius: var(--r-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4), var(--glow);
    transition: transform 0.4s var(--ease);
}
.sol-img:hover { transform: translateY(-8px); }
.sol-feature-item { padding-left: 26px; border-left: 2px solid var(--cyan); }
.feature-num { display: block; font-size: 1.05rem; font-weight: 800; letter-spacing: 0.1em; color: var(--cyan); margin-bottom: 12px; }
.sol-feature-item h4 { font-size: clamp(1.4rem, 1.1rem + 1vw, 1.85rem); font-weight: 700; color: #fff; margin-bottom: 16px; }
.h4-sub { display: block; margin-top: 8px; font-size: 0.6em; font-weight: 600; letter-spacing: 0.05em; color: rgba(255, 255, 255, 0.55); }
.sol-feature-item p { color: rgba(255,255,255,0.72); line-height: 1.8; font-size: 1.05rem; }
.sol-list { margin-top: 18px; }
.sol-list li { position: relative; padding-left: 22px; color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 10px; }
.sol-list li::before { content: "→"; position: absolute; left: 0; color: var(--cyan); }

/* ==========================================================================
   TECHNOLOGY (DARK)
   ========================================================================== */
.dark-tech-bg { background: var(--navy); width: 100%; min-height: 100vh; height: 100dvh; }
.grey-tech-bg { background: var(--navy-1); }
.roadmap-tech-bg { background: #0a1125; }

.tech-section { padding: clamp(80px, 10vw, 120px) 0; }
.tech-section .inner-wrap { padding: 0 clamp(24px, 8vw, 80px); }
.tech-content-wrap { width: 100%; }

.problem-grid-new { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.problem-card-new {
    padding: 44px 36px;
    background: var(--navy-card);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--r-lg);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.problem-card-new:hover { transform: translateY(-6px); border-color: rgba(31, 227, 255, 0.35); }
.problem-icon { font-size: 2.3rem; color: var(--cyan); margin-bottom: 26px; }
.problem-card-new h4 { color: #fff; font-size: 1.3rem; font-weight: 700; margin-bottom: 22px; }
.problem-card-new li { color: rgba(255,255,255,0.68); line-height: 1.9; position: relative; padding-left: 16px; }
.problem-card-new li::before { content: "–"; position: absolute; left: 0; color: var(--cyan); }

.tech-img-main, .tech-img-roadmap { width: 100%; border-radius: var(--r); box-shadow: 0 30px 60px rgba(0,0,0,0.35); }

.phm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 44px; }
.phm-card {
    padding: 40px;
    background: linear-gradient(150deg, var(--navy-card) 0%, var(--navy-1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--r-lg);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.phm-card:hover { transform: translateY(-6px); border-color: rgba(31, 227, 255, 0.4); box-shadow: 0 20px 40px rgba(0,0,0,0.35); }
.phm-header { display: flex; align-items: center; gap: 16px; padding-bottom: 22px; margin-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.phm-icon { flex-shrink: 0; width: 58px; height: 58px; display: flex; align-items: center; justify-content: center; font-size: 1.9rem; color: var(--cyan); background: rgba(31, 227, 255, 0.1); border-radius: 16px; }
.phm-header h4 { color: #fff; font-size: 1.4rem; font-weight: 700; }
.phm-body p.phm-desc { color: rgba(255,255,255,0.72); font-size: 1.04rem; line-height: 1.8; margin-bottom: 24px; }
.phm-body p.phm-desc strong { color: var(--cyan); font-weight: 600; }
.tech-tag-box { display: flex; flex-wrap: nowrap; gap: 8px; }
.tech-tag-box span { font-size: 0.8rem; white-space: nowrap; color: rgba(255,255,255,0.7); padding: 6px 12px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--r-pill); }

.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin: 50px 0 36px; }
.metric-card {
    padding: 46px 20px;
    text-align: center;
    background: rgba(23, 38, 65, 0.7);
    border: 1px solid rgba(31, 227, 255, 0.12);
    border-radius: var(--r-lg);
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.metric-card:hover { transform: translateY(-6px); border-color: rgba(31, 227, 255, 0.4); }
.metric-value { display: block; font-size: clamp(2.4rem, 1.8rem + 2vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; color: var(--cyan); text-shadow: 0 0 26px rgba(31, 227, 255, 0.35); margin-bottom: 14px; }
.metric-label { color: rgba(255,255,255,0.78); font-size: 0.98rem; }

.verification-info-bar { display: flex; gap: 50px; padding: 28px 36px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--r); margin-top: 36px; }
.info-tag { display: block; color: var(--cyan); font-weight: 700; margin-bottom: 8px; }
.info-item p { color: rgba(255,255,255,0.7); font-size: 0.95rem; line-height: 1.7; }

.benefit-container-new { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 50px; }
.benefit-card-new { padding: 46px; background: var(--navy-card); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--r-lg); }
.benefit-card-new h4 { color: #fff !important; font-size: 1.4rem; font-weight: 800; margin-bottom: 28px; }
.benefit-card-new li { color: rgba(255,255,255,0.82); font-size: 1.08rem; line-height: 1.7; margin-bottom: 14px; position: relative; padding-left: 22px; }
.benefit-card-new li::before { content: "•"; position: absolute; left: 0; color: var(--cyan); }

.roadmap-visual { margin-top: 10px; }
.tech-footer { text-align: center; padding: clamp(80px, 10vw, 120px) 0; }

/* ==========================================================================
   MODAL / DEMO FORM
   ========================================================================== */
.modal {
    display: none;
    position: fixed; inset: 0;
    z-index: 2000;
    background: rgba(6, 9, 18, 0.6);
    backdrop-filter: blur(6px);
    overflow: auto;
}
.modal.open { display: block; animation: overlayIn 0.25s ease; }
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
.modal-content {
    position: relative;
    width: 90%; max-width: 480px;
    margin: 10vh auto;
    padding: 40px;
    background: #fff;
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: modalIn 0.35s var(--ease-out);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-16px) scale(0.98); } to { opacity: 1; transform: none; } }
.close-btn { position: absolute; right: 18px; top: 14px; font-size: 26px; line-height: 1; font-weight: 700; color: #b8bdc6; cursor: pointer; transition: color 0.25s; background: none; border: none; }
.close-btn:hover { color: var(--ink); }
.modal h2 { font-size: 1.5rem; color: var(--ink); margin-bottom: 8px; letter-spacing: 0.02em; }
.modal > .modal-content > p { color: var(--muted); font-size: 0.92rem; margin-bottom: 28px; }
.form-group { text-align: left; margin-bottom: 14px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 13px 14px;
    font-family: inherit; font-size: 0.95rem;
    color: var(--text);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    background: #fff;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-group textarea { resize: none; height: 110px; }
.submit-btn {
    width: 100%;
    margin-top: 8px;
    padding: 14px 20px;
    font-size: 1rem; font-weight: 700;
    color: #fff;
    background: var(--accent);
    border: none; border-radius: var(--r-sm);
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(31, 107, 255, 0.32);
    transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
}
.submit-btn:hover { background: var(--accent-ink); transform: translateY(-2px); }
.submit-btn:disabled { opacity: 0.6; cursor: default; transform: none; }
.form-success {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px 0;
}
.form-success.show { display: flex; }
.form-success i { font-size: 3rem; color: #22c55e; }
.form-success p { color: var(--muted); margin: 0 !important; }

/* ==========================================================================
   v3 — AI AGENT NARRATIVE (포지셔닝: "멈추기 전에, 스스로 안다")
   ========================================================================== */

/* ---------- 신뢰 라벨: PoC 기준 / [확인 필요] ---------- */
.poc-badge {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: 0.7rem; font-weight: 600; letter-spacing: 0.03em;
    color: var(--cyan);
    background: rgba(31, 227, 255, 0.1);
    border: 1px solid rgba(31, 227, 255, 0.28);
    padding: 2px 9px; border-radius: var(--r-pill);
}
.poc-badge--ink { color: var(--accent); background: var(--accent-soft); border-color: rgba(31, 107, 255, 0.25); }
.pending {
    display: inline-flex; align-items: center;
    font-size: 0.7rem; font-weight: 500; letter-spacing: 0;
    color: #e6b94f;
    background: rgba(230, 185, 79, 0.08);
    border: 1px dashed rgba(230, 185, 79, 0.45);
    padding: 1px 8px; border-radius: var(--r-pill);
}
.pending--ink { color: #b5860b; background: rgba(181, 134, 11, 0.07); border-color: rgba(181, 134, 11, 0.4); }

/* ---------- HOME: 히어로 키워드 스트립 ---------- */
.hero-keywords { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 28px; }
.hero-keywords .kw {
    font-size: 0.8rem; font-weight: 600; color: var(--text);
    background: var(--bg-soft); border: 1px solid var(--line);
    padding: 7px 14px; border-radius: var(--r-pill);
}
.hero-keywords .kw.lead { color: #fff; background: var(--accent); border-color: var(--accent); }
.hero-keywords .arrow { color: var(--muted); align-self: center; font-size: 0.8rem; }

/* 키워드 루프 — 신호가 인지→판단→행동→자기진단으로 '조용히' 흐른다 (움직임 없이 은은한 글로우만) */
.hero-keywords .kw { animation: kwGlow 4.8s ease-in-out infinite; }
.hero-keywords .kw:nth-child(1) { animation-delay: 0s; }
.hero-keywords .kw:nth-child(3) { animation-delay: 1.2s; }
.hero-keywords .kw:nth-child(5) { animation-delay: 2.4s; }
.hero-keywords .kw:nth-child(7) { animation-delay: 3.6s; }
.hero-keywords .arrow { animation: arrowGlow 4.8s ease-in-out infinite; }
.hero-keywords .arrow:nth-child(2) { animation-delay: 0.6s; }
.hero-keywords .arrow:nth-child(4) { animation-delay: 1.8s; }
.hero-keywords .arrow:nth-child(6) { animation-delay: 3.0s; }
@keyframes kwGlow {
    0%, 100% { box-shadow: 0 0 0 0 rgba(31, 107, 255, 0); border-color: var(--line); color: var(--text); }
    50% { box-shadow: 0 4px 16px rgba(31, 107, 255, 0.14); border-color: rgba(31, 107, 255, 0.4); color: var(--accent-ink); }
}
.hero-keywords .kw.lead { animation-name: kwGlowLead; }
@keyframes kwGlowLead {
    0%, 100% { box-shadow: 0 2px 10px rgba(31, 107, 255, 0.2); }
    50% { box-shadow: 0 6px 22px rgba(31, 107, 255, 0.45); }
}
@keyframes arrowGlow {
    0%, 100% { color: var(--muted); }
    50% { color: var(--accent); }
}

/* ---------- HOME: 자율성 스펙트럼 ---------- */
.autonomy-section {
    background: radial-gradient(120% 80% at 50% 0%, var(--navy-1) 0%, var(--navy) 70%);
    color: #fff;
    padding: clamp(80px, 11vw, 140px) clamp(24px, 7vw, 96px);
}
.autonomy-head { max-width: 760px; }
.spectrum-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2vw, 24px); margin-top: clamp(40px, 5vw, 64px); }
.spectrum-card {
    position: relative; display: flex; flex-direction: column; gap: 18px;
    background: var(--navy-card); border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--r-lg); padding: 30px 26px;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.spectrum-card:hover { transform: translateY(-6px); }
.spectrum-card.is-dex {
    border-color: rgba(31, 227, 255, 0.4);
    box-shadow: 0 0 44px rgba(31, 227, 255, 0.14);
    background: linear-gradient(160deg, rgba(31, 227, 255, 0.06), var(--navy-card));
}
.sc-head { display: flex; align-items: baseline; gap: 10px; }
.sc-idx { font-size: 0.9rem; font-weight: 800; color: var(--muted); }
.is-dex .sc-idx { color: var(--cyan); }
.sc-name { font-size: 1.05rem; font-weight: 700; color: #fff; }
.sc-name em { display: block; font-style: normal; font-size: 0.66rem; letter-spacing: 0.12em; color: var(--muted); font-weight: 500; margin-top: 3px; }
.sc-pin { position: absolute; top: 16px; right: 16px; font-size: 0.6rem; letter-spacing: 0.08em; color: var(--cyan); border: 1px solid rgba(31, 227, 255, 0.4); padding: 2px 8px; border-radius: var(--r-pill); }

.loop-mini { position: relative; padding-top: 22px; }
.loop-arc { position: absolute; top: 0; left: 6%; width: 88%; height: 22px; overflow: visible; }
.loop-arc path { fill: none; stroke: rgba(255, 255, 255, 0.22); stroke-width: 1.6; stroke-dasharray: 4 4; }
.is-dex .loop-arc path { stroke: var(--cyan); stroke-dasharray: none; filter: drop-shadow(0 0 4px rgba(31, 227, 255, 0.5)); }
.loop-arc .flow { stroke-dasharray: 3 60; stroke-dashoffset: 0; animation: loopFlow 3.2s linear infinite; }
@keyframes loopFlow { to { stroke-dashoffset: -126; } }
.loop-nodes { display: flex; align-items: center; gap: 5px; }
.loop-nodes .ln {
    flex: 1; text-align: center; font-size: 0.7rem; font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px; padding: 8px 2px;
}
.loop-nodes .ln.dim { opacity: 0.3; }
.loop-nodes .ln.human { border-style: dashed; color: #cfd6e0; }
.loop-nodes .ln.self { color: var(--cyan); border-color: var(--cyan); background: rgba(31, 227, 255, 0.1); }
.loop-nodes .lk { color: rgba(255, 255, 255, 0.3); font-size: 0.7rem; }
.is-dex .loop-nodes .lk { color: var(--cyan); }

.sc-desc { font-size: 0.9rem; color: rgba(255, 255, 255, 0.66); line-height: 1.7; }
.sc-closer { font-size: 0.8rem; color: rgba(255, 255, 255, 0.5); margin-top: auto; padding-top: 14px; border-top: 1px solid rgba(255, 255, 255, 0.07); }
.sc-closer b { color: #fff; font-weight: 700; }
.is-dex .sc-closer b { color: var(--cyan); }

.verdict-bar {
    display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
    margin-top: clamp(24px, 3vw, 36px); padding: 24px 30px;
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r);
}
.verdict-bar .vb-q { font-size: 1.1rem; font-weight: 700; color: #fff; }
.verdict-bar .vb-q b { color: var(--cyan); }
.vb-opts { display: flex; gap: 12px; flex-wrap: wrap; }
.vb-opt { display: inline-flex; align-items: center; gap: 8px; font-size: 0.86rem; color: rgba(255, 255, 255, 0.55); padding: 7px 13px; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--r-pill); }
.vb-opt.is-self { color: var(--cyan); border-color: rgba(31, 227, 255, 0.4); }

.autonomy-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 24px; }
.autonomy-foot .note { font-size: 0.82rem; color: rgba(255, 255, 255, 0.45); max-width: 60ch; }

.btn-cyan {
    display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
    padding: 0.95rem 1.8rem; font-size: 0.95rem; font-weight: 700;
    color: var(--navy); background: var(--cyan); border-radius: var(--r-sm);
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn-cyan:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(31, 227, 255, 0.3); }
.btn-outline-cyan {
    display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
    padding: 0.9rem 1.7rem; font-size: 0.95rem; font-weight: 700;
    color: var(--cyan); border: 1px solid rgba(31, 227, 255, 0.5); border-radius: var(--r-sm);
    transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn-outline-cyan:hover { background: rgba(31, 227, 255, 0.1); transform: translateY(-2px); }
.btn-outline-cyan[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }

/* ---------- SOLUTION: PHM 자가진단 시그니처 ---------- */
.phm-signature { padding: clamp(80px, 11vw, 150px) 0; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.sig-live { display: inline-flex; align-items: center; gap: 8px; font-size: 0.72rem; letter-spacing: 0.1em; color: var(--cyan); }
.sig-live .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 0 rgba(31, 227, 255, 0.5); animation: livePulse 1.8s ease-in-out infinite; }
@keyframes livePulse { 0%,100% { box-shadow: 0 0 0 0 rgba(31, 227, 255, 0.5); } 50% { box-shadow: 0 0 0 6px rgba(31, 227, 255, 0); } }
.phm-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: clamp(36px, 5vw, 56px); }
.phm-step {
    position: relative; background: var(--navy-card); border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--r-lg); padding: 30px 24px;
    transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.phm-step:hover { transform: translateY(-6px); border-color: rgba(31, 227, 255, 0.4); }
.phm-step.is-core { border-color: rgba(31, 227, 255, 0.45); box-shadow: 0 0 40px rgba(31, 227, 255, 0.15); }
.ps-core-pin { position: absolute; top: 16px; right: 16px; font-size: 0.6rem; letter-spacing: 0.08em; color: var(--cyan); border: 1px solid rgba(31, 227, 255, 0.4); padding: 2px 8px; border-radius: var(--r-pill); }
.ps-idx { font-size: 0.76rem; font-weight: 800; letter-spacing: 0.1em; color: var(--cyan); }
.ps-icon { width: 50px; height: 50px; display: flex; align-items: center; justify-content: center; font-size: 1.55rem; color: var(--cyan); background: rgba(31, 227, 255, 0.1); border-radius: 14px; margin: 14px 0 16px; }
.ps-title { font-size: 1.15rem; font-weight: 700; color: #fff; }
.ps-title em { display: block; font-style: normal; font-size: 0.7rem; letter-spacing: 0.1em; color: var(--muted); margin-top: 4px; }
.ps-desc { font-size: 0.88rem; color: rgba(255, 255, 255, 0.66); line-height: 1.65; margin-top: 12px; }
.ps-desc .pending { margin-top: 8px; }
.phm-roi-bar {
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    margin-top: 22px; padding: 22px 28px;
    background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r);
    color: rgba(255, 255, 255, 0.7); font-size: 0.98rem;
}
.phm-roi-bar .before { color: rgba(255, 255, 255, 0.45); text-decoration: line-through; font-weight: 600; }
.phm-roi-bar .after { color: #fff; font-weight: 700; }
.phm-roi-bar i { color: var(--cyan); font-size: 1.1rem; }

/* ---------- SOLUTION: FMS 핸드오프 ---------- */
.fms-handoff {
    display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap;
    margin-top: clamp(40px, 5vw, 60px); padding: 36px;
    background: linear-gradient(150deg, var(--navy-card), var(--navy-1));
    border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r-lg);
}
.fh-text { flex: 1; min-width: 280px; }
.fh-text .fh-tag { font-size: 0.7rem; letter-spacing: 0.1em; color: var(--cyan); }
.fh-text h4 { color: #fff; font-size: 1.3rem; font-weight: 700; margin: 8px 0; }
.fh-text p { color: rgba(255, 255, 255, 0.6); font-size: 0.95rem; line-height: 1.6; max-width: 62ch; }

/* ---------- TECHNOLOGY: EXPANSION ROADMAP (사라진 이미지 대체 — CSS 타임라인) ---------- */
.roadmap { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: clamp(36px, 5vw, 56px); }
.roadmap::before { content: ""; position: absolute; top: 8px; left: 16%; right: 16%; height: 2px; background: linear-gradient(90deg, var(--cyan), rgba(31, 227, 255, 0.12)); }
.rm-phase { position: relative; }
.rm-dot { display: block; width: 16px; height: 16px; margin: 0 auto; border-radius: 50%; background: var(--navy); border: 3px solid rgba(255, 255, 255, 0.25); position: relative; z-index: 1; }
.rm-phase.is-now .rm-dot { border-color: var(--cyan); box-shadow: 0 0 0 6px rgba(31, 227, 255, 0.1); }
.rm-card { margin-top: 26px; background: var(--navy-card); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r-lg); padding: 28px 24px; transition: transform 0.3s var(--ease), border-color 0.3s var(--ease); }
.rm-card:hover { transform: translateY(-6px); border-color: rgba(31, 227, 255, 0.4); }
.rm-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; color: var(--muted); }
.rm-phase.is-now .rm-tag { color: var(--cyan); }
.rm-card h4 { color: #fff; font-size: 1.15rem; font-weight: 700; margin: 10px 0; }
.rm-card p { color: rgba(255, 255, 255, 0.65); font-size: 0.9rem; line-height: 1.7; }

/* ==========================================================================
   v3 Phase 2 — ABOUT 거울구조 · 아키텍처 · ROI (redesign2 전용 클래스)
   ========================================================================== */

/* ---------- ABOUT: 세계 vs 자기 거울 구조 ---------- */
.mirror-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 50px; }
.mirror-col { padding: 36px; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg-soft); }
.mirror-col.world { border-top: 3px solid var(--accent); }
.mirror-col.self { border-top: 3px solid #0bb6cc; background: linear-gradient(180deg, rgba(31, 227, 255, 0.05), var(--bg-soft)); }
.mirror-head { display: flex; align-items: center; gap: 14px; padding-bottom: 20px; margin-bottom: 6px; border-bottom: 1px solid var(--line); }
.mirror-head i { flex-shrink: 0; width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; border-radius: 14px; }
.mirror-col.world .mirror-head i { color: var(--accent); background: var(--accent-soft); }
.mirror-col.self .mirror-head i { color: #0a9fb5; background: rgba(31, 227, 255, 0.12); }
.mh-tag { display: block; font-size: 0.7rem; letter-spacing: 0.14em; color: var(--muted); font-weight: 700; margin-bottom: 3px; }
.mirror-head h4 { font-size: 1.25rem; font-weight: 800; color: var(--ink); }
.mirror-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.mirror-item:last-of-type { border-bottom: none; }
.mirror-item h5 { font-size: 1.05rem; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.mirror-item h5 span { font-size: 0.74rem; font-weight: 700; color: var(--accent); margin-right: 8px; letter-spacing: 0.04em; }
.mirror-col.self .mirror-item h5 span { color: #0a9fb5; }
.mirror-item p { color: var(--muted); font-size: 0.92rem; line-height: 1.7; }
.mirror-note { margin-top: 18px; padding: 14px 18px; font-size: 0.86rem; color: #0a7d8f; background: rgba(31, 227, 255, 0.08); border-radius: var(--r-sm); font-weight: 500; }

/* ---------- TECHNOLOGY: Cloud–Edge–Device 아키텍처 ---------- */
.arch-stack { display: flex; flex-direction: column; align-items: center; margin-top: clamp(24px, 3vw, 40px); }
.arch-layer { width: 100%; max-width: 760px; display: flex; align-items: center; gap: 24px; padding: 26px 34px; background: var(--navy-card); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r-lg); transition: transform 0.3s var(--ease), border-color 0.3s var(--ease); }
.arch-layer:hover { transform: translateY(-4px); border-color: rgba(31, 227, 255, 0.4); }
.arch-layer.is-device { border-color: rgba(31, 227, 255, 0.4); box-shadow: 0 0 40px rgba(31, 227, 255, 0.12); background: linear-gradient(160deg, rgba(31, 227, 255, 0.06), var(--navy-card)); }
.arch-tag { flex-shrink: 0; width: 84px; font-size: 0.82rem; font-weight: 800; letter-spacing: 0.1em; color: var(--cyan); }
.arch-body h4 { color: #fff; font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.arch-body p { color: rgba(255, 255, 255, 0.62); font-size: 0.9rem; line-height: 1.6; }
.arch-conn { color: rgba(31, 227, 255, 0.5); font-size: 1.3rem; padding: 10px 0; }
.arch-caption { color: rgba(255, 255, 255, 0.45); font-size: 0.9rem; margin-top: 18px; text-align: center; }

/* ---------- TECHNOLOGY: 현장 가치 ROI (인과 흐름) ---------- */
.roi-flow { display: grid; grid-template-columns: minmax(0, 0.9fr) auto minmax(0, 1.6fr); gap: 28px; align-items: center; margin-top: clamp(36px, 5vw, 52px); }
.roi-cause { display: flex; gap: 18px; align-items: flex-start; padding: 30px; background: linear-gradient(160deg, rgba(31, 227, 255, 0.06), var(--navy-card)); border: 1px solid rgba(31, 227, 255, 0.3); border-radius: var(--r-lg); }
.roi-cause-icon { flex-shrink: 0; width: 54px; height: 54px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: var(--cyan); background: rgba(31, 227, 255, 0.12); border-radius: 14px; }
.roi-cause-tag { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; color: var(--cyan); }
.roi-cause p { color: rgba(255, 255, 255, 0.72); font-size: 0.95rem; line-height: 1.6; margin-top: 6px; }
.roi-arrow { color: rgba(31, 227, 255, 0.5); font-size: 1.6rem; text-align: center; }
.roi-results { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.roi-chip { display: flex; gap: 12px; align-items: flex-start; padding: 18px 20px; background: var(--navy-card); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: var(--r); transition: transform 0.3s var(--ease), border-color 0.3s var(--ease); }
.roi-chip:hover { transform: translateY(-4px); border-color: rgba(31, 227, 255, 0.4); }
.roi-chip > i { flex-shrink: 0; color: var(--cyan); font-size: 1.3rem; }
.roi-chip b { display: block; color: #fff; font-size: 1rem; font-weight: 700; }
.roi-chip span { display: block; color: rgba(255, 255, 255, 0.6); font-size: 0.85rem; margin-top: 3px; line-height: 1.5; }

/* ---------- SOLUTION: 디지털 트윈 관제 대시보드 (이미지 대체, 토큰 기반 → 시안별 자동 테마) ---------- */
.twin-dash { width: 100%; background: var(--navy-card); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--r-lg); overflow: hidden; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4); }
.td-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); background: rgba(255, 255, 255, 0.02); }
.td-title { display: flex; align-items: center; gap: 8px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; color: #fff; }
.td-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); animation: livePulse 1.8s ease-in-out infinite; }
.td-status { font-size: 0.64rem; letter-spacing: 0.1em; color: var(--cyan); white-space: nowrap; }
.td-body { display: grid; grid-template-columns: 1.55fr 1fr; }
.td-map { padding: 14px; border-right: 1px solid rgba(255, 255, 255, 0.08); }
.td-svg { width: 100%; height: auto; display: block; color: var(--cyan); }
.td-route { animation: tdflow 1s linear infinite; }
@keyframes tdflow { to { stroke-dashoffset: -18; } }
.td-side { display: flex; flex-direction: column; gap: 13px; padding: 16px; color: var(--cyan); }
.td-metric { display: flex; flex-direction: column; gap: 4px; }
.td-k { font-size: 0.6rem; letter-spacing: 0.12em; color: rgba(255, 255, 255, 0.4); }
.td-v { font-size: 0.9rem; font-weight: 600; color: #fff; display: flex; align-items: center; gap: 8px; }
.td-v.ok { color: var(--cyan); }
.td-batt { width: 46px; height: 7px; background: rgba(255, 255, 255, 0.12); border-radius: 4px; overflow: hidden; }
.td-batt > span { display: block; height: 100%; background: var(--cyan); }
.td-spark { width: 100%; height: 34px; margin-top: auto; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media screen and (max-width: 980px) {
    .sidebar {
        width: 78%; max-width: 320px;
        transform: translateX(-102%);
        box-shadow: var(--shadow-lg);
    }
    .sidebar.open { transform: none; }

    .mobile-bar {
        display: flex; align-items: center; justify-content: space-between;
        position: fixed; left: 0; top: 0; width: 100%;
        height: 60px; padding: 0 18px;
        background: rgba(255,255,255,0.9);
        backdrop-filter: saturate(180%) blur(16px);
        border-bottom: 1px solid var(--line);
        z-index: 1500;
    }
    .mobile-bar .logo { font-size: 1.2rem; }
    .nav-toggle {
        display: inline-flex; align-items: center; justify-content: center;
        width: 42px; height: 42px;
        font-size: 1.5rem; color: var(--ink);
        background: none; border: none; cursor: pointer;
    }
    .nav-backdrop {
        display: none;
        position: fixed; inset: 0;
        background: rgba(6, 9, 18, 0.4);
        z-index: 900;
    }
    .nav-backdrop.show { display: block; }

    .page-container { margin-left: 0; width: 100%; padding-top: 60px; height: 100vh; height: 100dvh; }
    .sub-page { height: calc(100dvh - 60px); }

    .hero-layout { flex-direction: column; justify-content: center; text-align: center; padding: 40px 24px; gap: 36px; }
    .hero-content { order: 2; }
    .hero-image-box { order: 1; justify-content: center; }
    .home-robot-img { max-width: 420px; }
    .hero-btns { justify-content: center; }
    .hero-keywords { justify-content: center; }
    .badge-tech { margin-bottom: 18px; }
    .phm-steps { grid-template-columns: repeat(2, 1fr); }
    .roi-flow { grid-template-columns: 1fr; }
    .roi-arrow { transform: rotate(90deg); }
}

@media screen and (max-width: 760px) {
    .tech-deep-grid, .collab-grid, .stat-grid, .problem-grid-new,
    .metrics-grid, .benefit-container-new, .phm-grid, .sol-grid,
    .identity-grid-layout, .spectrum-grid, .phm-steps, .roadmap,
    .mirror-grid, .roi-results { grid-template-columns: 1fr; gap: 26px; }
    .roadmap::before { display: none; }
    .rm-dot { margin: 0; }
    .arch-layer { flex-direction: column; align-items: flex-start; gap: 10px; padding: 22px; }
    .mirror-col { padding: 28px; }

    .identity-grid-layout { padding-bottom: 44px; margin-bottom: 56px; }
    .sol-grid .sol-visual { order: -1; }
    .sol-feature-item { border-left: none; border-top: 2px solid var(--cyan); padding-left: 0; padding-top: 20px; }
    .verification-info-bar { flex-direction: column; gap: 18px; }
    .tech-tag-box { flex-wrap: wrap; }
    .verdict-bar, .autonomy-foot, .fms-handoff { flex-direction: column; align-items: flex-start; }
    .td-body { grid-template-columns: 1fr; }
    .td-map { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
    .autonomy-foot .btn-cyan, .fms-handoff .btn-outline-cyan { width: 100%; justify-content: center; }
    .about-hero { height: 56vh; }
    .modal-content { padding: 30px 22px; margin: 7vh auto; }
}