/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Noto Sans KR', sans-serif;
    color: #333;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

p {
    margin: 0;
}

/* Container */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0;
}

.content-wrapper {
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    width: 100%;
    height: 570px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: url('/assets/img/sub/security/security-hero-bg.png');
    background-size: cover;
    background-position: left top;
    z-index: -1;
}

.hero-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.hero-eyebrow {
    backdrop-filter: blur(6px);
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 8px 20px;
    border-radius: 999px;
    color: white;
    font-size: 16px;
    font-weight: 500;
    box-shadow: 0px 4px 16px rgba(0, 0, 0, 0.1);
}

.hero-title {
    color: white;
    font-size: 45px;
    line-height: 62px;
    font-weight: 700;
    letter-spacing: -0.72px;
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    line-height: 28px;
}

/* Section Base Styles */
.section {
    width: 100%;
    padding: 140px 20px;
}

.section-features {
    background-color: #EFF5FF;
}

.section-threat,
.section-account,
.section-document {
    background-color: white;
}

.section-environment {
    background-color: #283141;
}

.section-account {
    padding-bottom: 100px;
}

.section-document {
    padding-top: 100px;
}

.section-features .grid {
    background-color: #fff;
    padding: 20px;
    border-radius: 24px;
}

.section-environment .grid {
    margin-top: 32px;
}

.section-header {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-header-dark {
    color: white;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #025BFF;
    color: white;
    padding: 4px 16px;
    border-radius: 99px;
    font-size: 16px;
    font-weight: 500;
    width: fit-content;
}

.section-title {
    font-size: 36px;
    line-height: 52px;
    letter-spacing: -0.72px;
    color: #0a0b0d;
}

.section-title-dark {
    color: white;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 12px;
    width: 100%;
}

.grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

/* Cards */
.card {
    border-radius: 24px;
    overflow: hidden;
}

.card-feature {
    background: white;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
    min-height: 174px;
    justify-content: center;
}

.card-icon-box {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #EFF5FF;
    border-radius: 12px;
}

.card-icon {
    width: 32px;
    height: 32px;
}

.card-icon-img {
    width: auto;
    height: auto;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: #0a0b0d;
}

.card-dark {
    background: rgba(0, 0, 0, 0.4);
    padding: 20px;
    color: white;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card-dark h3 {
    font-size: 18px;
    font-weight: 700;
}

.card-dark p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 24px;
}

.card-icon-small {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-icon-small img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Split Layout */
.split-layout {
    display: flex;
    gap: 80px;
    align-items: center;
}

.split-layout.split-reverse {
    flex-direction: row-reverse;
}

.split-layout.split-reverse > * {
    direction: ltr;
}

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@media (min-width: 1201px) {
    .section-account .split-layout {
        flex-direction: row-reverse;
    }
}

.split-content {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 32px;
}

.split-image {
    height: 368px;
    overflow: hidden;
    border-radius: 16px;
}

.split-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Check List */
.check-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.check-item {
    display: flex;
    gap: 16px;
    padding: 12px 0;
    border-radius: 12px;
    align-items: flex-start;
}

.check-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background-color: #EFF5FF;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #025BFF;
    font-weight: 700;
}

.check-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 4px;
}

.check-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: #0a0b0d;
    margin: 0;
}

.check-content p {
    font-size: 16px;
    color: #555;
    line-height: 24px;
}

.text-muted {
    color: #999;
    font-size: 15px;
    font-weight: 400;
}

@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 40px;
    }

    .section {
        padding: 100px 40px;
    }

    .hero-section {
        height: 500px;
    }

    .hero-inner {
        gap: 14px;
    }

    .hero-title {
        font-size: 32px;
        line-height: 45px;
    }

    .hero-subtitle {
        font-size: 16px;
        line-height: 24px;
    }

    .hero-eyebrow {
        padding: 6px 14px;
        font-size: 14px;
    }

    .split-layout {
        flex-direction: column;
        gap: 40px;
    }

    .split-layout.split-reverse {
        direction: ltr;
    }

    .split-layout.split-reverse > * {
        direction: ltr;
    }

    .grid-5 {
        grid-template-columns: repeat(5, 1fr);
        gap: 16px;
    }

    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .section-title {
        font-size: 28px;
        line-height: 40px;
    }

    .section-header {
        margin-bottom: 32px;
        gap: 16px;
    }

    .section-badge {
        padding: 4px 14px;
        font-size: 14px;
    }

    .card-feature {
        padding: 16px;
        gap: 12px;
        min-height: 180px;
    }

    .card-icon {
        width: 28px;
        height: 28px;
    }

    .card-title {
        font-size: 16px;
    }

    .card-dark {
        padding: 16px;
        gap: 12px;
    }

    .card-dark h3 {
        font-size: 16px;
    }

    .card-dark p {
        font-size: 13px;
        line-height: 20px;
    }

    .check-list {
        gap: 16px;
    }

    .check-item {
        gap: 12px;
        padding: 10px;
    }

    .check-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    .check-content h4 {
        font-size: 16px;
    }

    .check-content p {
        font-size: 14px;
    }

    .split-content {
        width: 100%;
        gap: 24px;
    }
}

@media (max-width: 1140px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 960px) {
    .grid-5 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 100%;
        padding: 0;
    }

    .section {
        padding: 60px 20px;
    }

    .hero-section {
        height: 395px;
    }

    .hero-inner {
        gap: 14px;
        padding: 0 10px;
    }

    .hero-title {
        font-size: 24px;
        line-height: 36px;
    }

    .hero-subtitle {
        font-size: 14px;
        line-height: 20px;
    }

    .hero-eyebrow {
        padding: 5px 12px;
        font-size: 13px;
    }

    .split-layout {
        flex-direction: column;
        gap: 30px;
    }

    .split-layout.split-reverse {
        direction: ltr;
    }

    .split-image {
        height: auto;
        aspect-ratio: 290 / 200;
    }

    .grid-4 {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .section-title {
        font-size: 22px;
        line-height: 32px;
    }

    .section-header {
        margin-bottom: 24px;
        gap: 12px;
    }

    .section-badge {
        padding: 4px 12px;
        font-size: 13px;
    }

    .card-feature {
        padding: 14px;
        gap: 10px;
        min-height: auto;
    }

    .card-icon {
        width: 24px;
        height: 24px;
    }

    .card-title {
        font-size: 14px;
    }

    .card-dark {
        padding: 14px;
        gap: 10px;
    }

    .card-dark h3 {
        font-size: 15px;
    }

    .card-dark p {
        font-size: 12px;
        line-height: 18px;
    }

    .check-list {
        gap: 12px;
    }

    .check-item {
        gap: 12px;
        padding: 10px 0;
    }

    .check-icon {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 18px;
    }

    .check-content h4 {
        font-size: 15px;
    }

    .check-content p {
        font-size: 13px;
        line-height: 20px;
    }

    .text-muted {
        font-size: 13px;
    }

    .split-content {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .grid-5 {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 330px) {
    .container {
        padding: 0 15px;
    }

    .section {
        padding: 40px 15px;
    }

    .hero-section {
        height: 360px;
    }

    .hero-title {
        font-size: 20px;
        line-height: 28px;
    }

    .hero-subtitle {
        font-size: 12px;
        line-height: 18px;
    }

    .section-title {
        font-size: 18px;
        line-height: 26px;
    }

    .card-feature {
        padding: 12px;
        gap: 8px;
    }

    .card-icon-box {
        width: 36px;
        height: 36px;
    }

    .card-icon {
        width: 20px;
        height: 20px;
    }

    .check-icon {
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .check-item {
        padding: 8px 0;
        gap: 10px;
    }

    .check-content h4 {
        font-size: 14px;
    }

    .check-content p {
        font-size: 12px;
    }

    .section-header {
        margin-bottom: 20px;
        gap: 10px;
    }

    .section-badge {
        padding: 3px 10px;
        font-size: 12px;
    }
}

/* Utility Classes */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive Typography */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    h3 {
        font-size: 18px;
    }
}

/* Print Styles */
@media print {
    .hero-section {
        background: none;
    }

    body {
        color: black;
    }
}