/* CSS Variables for Concept 1 */
:root {
    --primary-color: #0056b3;
    /* Trust Blue */
    --primary-dark: #004494;
    --secondary-color: #333333;
    --text-color: #4a4a4a;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    --white: #ffffff;
    --font-heading: 'Noto Sans KR', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography Helpers */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--secondary-color);
}

.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    font-weight: 500;
    border: 1px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    display: inline-block;
    padding: 12px 30px;
    background-color: transparent;
    color: var(--white);
    border: 1px solid var(--white);
    border-radius: 4px;
    font-weight: 500;
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-white {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--white);
    color: var(--primary-color);
    border-radius: 4px;
    font-weight: 700;
}

.btn-white:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

/* Main Header */
.main-header {
    background-color: var(--white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.main-nav ul {
    display: flex;
    gap: 40px;
}

.main-nav a {
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.main-nav a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    height: 560px;
    /* Reduced by 20% from 700px */
    background: url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 30, 60, 0.7), rgba(0, 86, 179, 0.6));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.hero p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

/* Stats Section */
.stats-section {
    background-color: var(--primary-color);
    padding: 40px 0;
    color: var(--white);
}

.stats-section .container {
    display: flex;
    justify-content: space-around;
    text-align: center;
}

.stat-item h3 {
    font-size: 36px;
    color: var(--white);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 14px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Who We Are (New Section) */
.section-who-we-are {
    padding: 120px 0;
    background-color: var(--white);
}

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

.text-col {
    flex: 1;
}

.image-col {
    flex: 1;
}

.sub-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
}

.text-col h2 {
    font-size: 42px;
    margin-bottom: 30px;
    position: relative;
}

.lead {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 500;
    line-height: 1.4;
}

.desc {
    color: #666;
    margin-bottom: 30px;
    font-size: 16px;
}

.check-list li {
    list-style: none;
    margin-bottom: 15px;
    color: #333;
    display: flex;
    align-items: center;
    font-size: 16px;
}

.check-list i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 18px;
}

.image-frame {
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.image-frame img {
    width: 100%;
    transition: transform 0.5s ease;
}

.image-frame:hover img {
    transform: scale(1.03);
}

/* Solutions Section */
.solutions-section {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title span {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    border-top: 3px solid transparent;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-top-color: var(--primary-color);
}

.icon-box {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #e3f2fd;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.icon-box i {
    font-size: 24px;
    color: var(--primary-color);
}

.solution-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.solution-card p {
    color: #666;
    margin-bottom: 25px;
    font-size: 15px;
}

.learn-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.learn-more i {
    margin-left: 5px;
    font-size: 12px;
    transition: margin-left 0.3s ease;
}

.solution-card:hover .learn-more i {
    margin-left: 10px;
}

/* Parallax Partners Section */
.parallax-partners {
    height: 400px;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') fixed center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.parallax-partners .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
}

.parallax-partners .content {
    position: relative;
    z-index: 1;
}

.parallax-partners h2 {
    font-size: 48px;
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.parallax-partners p {
    color: #ccc;
    font-size: 18px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.cta-section p {
    margin-bottom: 40px;
    opacity: 0.9;
    font-size: 18px;
}

.cta-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form-inline {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row input,
.form-row textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.9);
    font-family: var(--font-body);
    font-size: 15px;
    color: #333;
}

.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.form-row.full-width {
    width: 100%;
}

.contact-form-inline button {
    margin-top: 10px;
    cursor: pointer;
    border: none;
    font-size: 16px;
    width: 100%;
}

@media (max-width: 600px) {
    .form-row {
        flex-direction: column;
    }
}

/* Footer */
.main-footer {
    background-color: #2c3e50;
    color: #bdc3c7;
    padding: 80px 0 0;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    flex: 1;
}

.footer-brand h2 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-contact-info {
    flex: 1;
    text-align: right;
}

.footer-contact-info h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 18px;
    display: inline-block;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
}

.footer-contact-info p {
    margin-bottom: 12px;
    font-size: 15px;
}

.footer-contact-info i {
    width: 25px;
    text-align: center;
    color: var(--primary-color);
    margin-right: 5px;
}

.footer-bottom {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
}

.footer-links-bottom a {
    margin-left: 20px;
    color: #bdc3c7;
}

.footer-links-bottom a:hover {
    color: var(--white);
}

/* Responsive */
@media (max-width: 992px) {
    .solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .solution-grid {
        grid-template-columns: 1fr;
    }

    .stats-section .container {
        flex-direction: column;
        gap: 30px;
    }

    .main-nav {
        display: none;
    }

    .footer-top {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }

    .footer-contact-info {
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .footer-links-bottom a {
        margin: 0 10px;
    }
}