/* CSS Custom Properties */
:root {
    --primary: 220 85% 57%; /* #2563EB */
    --primary-dark: 220 85% 47%; /* #1D4ED8 */
    --secondary: 240 4% 16%; /* #374151 */
    --accent: 45 93% 58%; /* #F59E0B */
    --background: 0 0% 100%; /* #FFFFFF */
    --surface: 210 40% 98%; /* #F8FAFC */
    --text: 220 39% 11%; /* #0F172A */
    --text-muted: 215 16% 47%; /* #64748B */
    --border: 214 32% 91%; /* #E2E8F0 */
    --success: 142 76% 36%; /* #16A34A */
    --error: 0 84% 60%; /* #EF4444 */
    --warning: 38 92% 50%; /* #EAB308 */
    --shadow: 0 0% 0%; /* #000000 */
}

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

body {
    font-family: 'Segoe UI', 'Malgun Gothic', 'Apple SD Gothic Neo', sans-serif;
    line-height: 1.6;
    color: hsl(var(--text));
    background: hsl(var(--background));
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: hsl(var(--text-muted));
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: hsl(var(--primary));
    color: white;
}

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

.btn-secondary {
    background: hsl(var(--secondary));
    color: white;
}

.btn-outline {
    background: transparent;
    color: hsl(var(--primary));
    border: 2px solid hsl(var(--primary));
}

.btn-outline:hover {
    background: hsl(var(--primary));
    color: white;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: hsl(var(--secondary));
    color: white;
    padding: 1rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.cookie-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cookie-buttons .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: hsl(var(--background));
    margin: 15% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    color: hsl(var(--text-muted));
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: hsl(var(--text));
}

.cookie-options {
    margin: 1.5rem 0;
}

.cookie-option {
    margin-bottom: 1rem;
    padding: 1rem;
    border: 1px solid hsl(var(--border));
    border-radius: 8px;
}

.cookie-option label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    cursor: pointer;
}

.cookie-option p {
    margin: 0.5rem 0 0 1.5rem;
    font-size: 0.9rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid hsl(var(--border));
    z-index: 999;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--primary));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: hsl(var(--text));
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: hsl(var(--text));
    transition: 0.3s;
}

/* Hero Banner */
.hero-banner {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-dark)));
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100%;
    opacity: 0.8;
    z-index: 1;
}

.bg-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.hero-content {
    text-align: center;
    z-index: 2;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    background: hsl(var(--accent));
    color: white;
    padding: 15px 30px;
    font-size: 1.1rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Company Info */
.company-info {
    padding: 5rem 0;
    background: hsl(var(--surface));
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: hsl(var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

/* Services */
.services {
    padding: 5rem 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: hsl(var(--text));
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
}

.service-item {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--border));
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
}

.service-item h3 {
    color: hsl(var(--text));
    margin-bottom: 1rem;
}

.service-item ul {
    list-style: none;
    margin-top: 1.5rem;
}

.service-item li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: hsl(var(--text-muted));
}

.service-item li i {
    color: hsl(var(--success));
}

/* Features */
.features {
    padding: 5rem 0;
    background: hsl(var(--surface));
}

.features-content {
    max-width: 800px;
    margin: 0 auto;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.feature-list {
    display: grid;
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.feature-item i {
    font-size: 2rem;
    color: hsl(var(--primary));
    margin-top: 0.5rem;
}

.feature-item h4 {
    margin-bottom: 0.5rem;
    color: hsl(var(--text));
}

/* Reviews */
.reviews {
    padding: 5rem 0;
}

.reviews h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.review-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid hsl(var(--primary));
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.stars {
    color: hsl(var(--accent));
}

.review-date {
    color: hsl(var(--text-muted));
    font-size: 0.9rem;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: hsl(var(--text));
    font-weight: 600;
}

.reviewer i {
    font-size: 1.5rem;
    color: hsl(var(--primary));
}

/* Newsletter */
.newsletter {
    padding: 5rem 0;
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-dark)));
    color: white;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.newsletter-info h2 {
    color: white;
    margin-bottom: 1rem;
}

.newsletter-info p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.newsletter-info ul {
    list-style: none;
}

.newsletter-info li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-info li i {
    color: hsl(var(--accent));
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: hsl(var(--text-muted));
}

.form-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 1px solid hsl(var(--border));
    border-radius: 8px;
    font-size: 1rem;
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Contact */
.contact {
    padding: 5rem 0;
    background: hsl(var(--surface));
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.contact-item i {
    font-size: 1.5rem;
    color: hsl(var(--primary));
    margin-top: 0.25rem;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: hsl(var(--text));
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid hsl(var(--border));
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: hsl(var(--secondary));
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: hsl(var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .newsletter-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

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

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

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

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }

    .services,
    .features,
    .reviews,
    .newsletter,
    .contact {
        padding: 3rem 0;
    }
}

/* Privacy Agreement Styles */
.agreement {
    background: hsl(var(--surface));
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid hsl(var(--border));
}

.agreement-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    margin-bottom: 1rem;
}

.agreement-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid hsl(var(--border));
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.agreement-label input[type="checkbox"]:checked + .checkmark {
    background: hsl(var(--primary));
    border-color: hsl(var(--primary));
}

.agreement-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.agreement-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: hsl(var(--text));
}

.agreement-text a {
    color: hsl(var(--primary));
    text-decoration: none;
}

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

.privacy-summary {
    background: white;
    padding: 1rem;
    border-radius: 6px;
    border-left: 3px solid hsl(var(--primary));
}

.privacy-summary p {
    margin: 0.25rem 0;
    font-size: 0.85rem;
    color: hsl(var(--text-muted));
}

.privacy-summary strong {
    color: hsl(var(--text));
}