:root {
    --ink: #121820;
    --ink-soft: #3a4553;
    --paper: #f4f6f8;
    --paper-2: #e8edf2;
    --navy: #1a2f4a;
    --navy-deep: #0e1a2b;
    --accent: #e8a317;
    --line: rgba(18, 24, 32, 0.12);
    --shadow: 0 18px 48px rgba(14, 26, 43, 0.14);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "IBM Plex Sans KR", system-ui, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.55;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(244, 246, 248, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.nav-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    text-decoration: none;
    color: var(--ink);
}

.logo img {
    height: 34px;
    width: auto;
}

.logo-text {
    font-family: "Outfit", sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-text em {
    font-style: normal;
    color: var(--navy);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.35rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--ink-soft);
    font-weight: 600;
    font-size: 0.92rem;
}

.nav-menu a:hover {
    color: var(--navy);
}

.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
}

.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
}

.hamburger-btn.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger-btn.open span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.hero {
    position: relative;
    min-height: 78vh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    color: #f7f9fc;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 80% 15%, rgba(232, 163, 23, 0.28), transparent 55%),
        linear-gradient(155deg, #0e1a2b 0%, #1a2f4a 52%, #243b55 100%);
}

.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.06) 0 1px, transparent 1.5px),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.05) 0 1px, transparent 1.5px);
    background-size: 36px 36px, 52px 52px;
    animation: sparkle 22s linear infinite;
}

@keyframes sparkle {
    from { background-position: 0 0, 0 0; }
    to { background-position: 36px 36px, -52px 52px; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    width: 100%;
    margin: 0 auto;
    padding: 5.5rem 1.5rem 4rem;
}

.brand-mark {
    font-family: "Outfit", sans-serif;
    font-size: clamp(1.6rem, 3.8vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 0.85rem;
    animation: rise 0.8s ease both;
}

.hero h1 {
    font-family: "Outfit", sans-serif;
    font-size: clamp(1.85rem, 4.8vw, 3.15rem);
    line-height: 1.18;
    letter-spacing: -0.03em;
    max-width: 16ch;
    margin-bottom: 1.1rem;
    animation: rise 0.9s ease 0.08s both;
}

.hero-lead {
    max-width: 38rem;
    font-size: 1.08rem;
    opacity: 0.95;
    animation: rise 1s ease 0.14s both;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem;
    margin-top: 1.75rem;
    animation: rise 1s ease 0.22s both;
}

@keyframes rise {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.85rem 1.35rem;
    background: #fff;
    color: var(--navy-deep);
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-on-dark {
    background: #fff;
    color: var(--navy-deep);
}

.launch-chip {
    font-size: 0.85rem;
    font-weight: 600;
    opacity: 0.9;
}

.section {
    padding: 4.5rem 0;
}

.section-alt {
    background: #fff;
}

.section-kicker {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--navy);
    margin-bottom: 0.75rem;
}

.section h2 {
    font-family: "Outfit", sans-serif;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.value-list {
    display: grid;
    gap: 1.15rem;
}

.value-block {
    padding: 1.25rem 0 1.25rem 1.1rem;
    border-left: 3px solid var(--accent);
}

.value-block h3 {
    font-size: 1.12rem;
    margin-bottom: 0.45rem;
}

.value-block p {
    color: var(--ink-soft);
}

.dept-list {
    list-style: none;
    margin-top: 0.35rem;
    display: grid;
    gap: 0.55rem;
    color: var(--ink-soft);
}

.dept-list strong {
    color: var(--ink);
}

.table-scroll {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}

.impact-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    font-size: 0.95rem;
}

.impact-table th,
.impact-table td {
    text-align: left;
    vertical-align: top;
    padding: 1rem 1.1rem;
    border-bottom: 1px solid var(--line);
}

.impact-table th {
    background: var(--paper-2);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.steps {
    list-style: none;
    display: grid;
    gap: 1.25rem;
}

.steps li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem;
    align-items: start;
}

.step-num {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 999px;
    background: var(--navy);
    color: #fff;
    display: grid;
    place-items: center;
    font-family: "Outfit", sans-serif;
    font-weight: 700;
}

.steps h3 {
    font-size: 1.08rem;
    margin-bottom: 0.3rem;
}

.steps p {
    color: var(--ink-soft);
}

.cta {
    background: linear-gradient(145deg, var(--navy-deep), var(--navy));
    color: #f7f9fc;
    text-align: center;
}

.cta h2 {
    color: #fff;
}

.cta p {
    margin: 0.6rem auto 1.2rem;
    max-width: 34rem;
    opacity: 0.95;
}

.footer {
    background: #0a121c;
    color: rgba(247, 249, 252, 0.85);
    padding: 2.5rem 0;
    text-align: center;
    font-size: 0.92rem;
}

.footer a {
    color: #b8c9df;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

.footer p + p {
    margin-top: 0.55rem;
}

@media (max-width: 768px) {
    .hamburger-btn {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        gap: 0.85rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        padding: 1rem 1.5rem 1.35rem;
        border-bottom: 1px solid var(--line);
    }

    .nav-menu.open {
        display: flex;
    }

    .hero {
        min-height: 70vh;
        align-items: center;
    }

    .hero-content {
        padding-top: 4rem;
        padding-bottom: 3rem;
    }
}
