@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root {
    /* Modern Dark Theme Palette */
    --bg-main: #020617;
    --bg-secondary: #0f172a;
    --primary: #3b82f6;
    --primary-dark: #1e40af;
    --accent: #fbbf24;
    --accent-glow: rgba(251, 191, 36, 0.2);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-border: rgba(148, 163, 184, 0.1);
    --glass-header: rgba(2, 6, 23, 0.8);
    --container-width: 1200px;
    --section-padding: 6rem 1rem;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.15);
    --backdrop-blur: 16px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: var(--section-padding);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.text-gradient {
    background: linear-gradient(135deg, #60a5fa 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: var(--glass-header);
    backdrop-filter: blur(var(--backdrop-blur));
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-main);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 1.1rem;
}

.logo-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.seal-yoon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #b91c1c, #991b1b);
    border-radius: 8px;
    color: white;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    padding: 3px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: serif;
    line-height: 1;
    font-weight: bold;
}

.seal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    text-align: center;
    gap: 1px;
    width: 100%;
    height: 100%;
}

.seal-char {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
}

.nav-cta {
    display: none;
}

@media (min-width: 768px) {
    .nav-cta {
        display: block;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

.btn-sm {
    padding: 0.625rem 1.5rem;
    font-size: 0.9rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    color: #0f172a;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(251, 191, 36, 0.4);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.6);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--text-main);
    background: rgba(255, 255, 255, 0.05);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 10rem;
    padding-bottom: 8rem;
    overflow: hidden;
    background: radial-gradient(circle at 50% 0%, #1e293b 0%, var(--bg-main) 70%);
}

.hero::after {
    content: '';
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 2rem;
    line-height: 1.15;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* Section Backgrounds */
.section-gray {
    background-color: var(--bg-secondary);
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 1.5rem;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(96, 165, 250, 0.3);
    box-shadow: var(--shadow-glow);
}

.card-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: #60a5fa;
    font-size: 1.75rem;
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--text-main);
}

.card p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

/* 심리적 Pain Point Section */
.psychological-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .psychological-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .psychological-cards {
        grid-template-columns: repeat(3, 1fr);
    }
}

.psych-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1.25rem;
    border: 1px solid var(--card-border);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.psych-card:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
}

.psych-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.psych-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.psych-quote {
    font-style: italic;
    color: #94a3b8;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 3px solid var(--accent);
}

.psych-solution {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Overview Section */
.overview-content {
    max-width: 900px;
    margin: 0 auto;
}

.overview-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.overview-text strong {
    color: var(--text-main);
}

.overview-warning {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.overview-warning h4 {
    color: #f87171;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.overview-warning ul {
    padding-left: 1.5rem;
}

.overview-warning li {
    color: #fca5a5;
    margin-bottom: 0.5rem;
    list-style: disc;
}

.overview-solution {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
}

.overview-solution strong {
    color: #60a5fa;
}

.overview-environment {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
    margin-top: 1.5rem;
}

.overview-environment h4 {
    color: #4ade80;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.overview-environment ul {
    padding-left: 1.5rem;
}

.overview-environment li {
    color: #86efac;
    margin-bottom: 0.75rem;
    list-style: disc;
    line-height: 1.6;
}

.overview-environment li strong {
    color: var(--text-main);
}

.environment-note {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-muted);
    margin-top: 1rem !important;
    margin-bottom: 0 !important;
}

/* 상황별 가이드 Section */
.guide-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.guide-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.guide-tab:hover {
    border-color: rgba(96, 165, 250, 0.3);
}

.guide-tab.active {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--primary);
}

.tab-icon {
    font-size: 1.25rem;
}

.tab-title {
    color: var(--text-main);
}

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

.guide-panel {
    display: none;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
}

.guide-panel.active {
    display: block;
}

.guide-panel h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.guide-qa {
    margin-bottom: 1.5rem;
}

.guide-question {
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.guide-answer {
    color: var(--text-muted);
    line-height: 1.7;
    padding-left: 1rem;
    border-left: 3px solid rgba(59, 130, 246, 0.3);
}

.guide-answer strong {
    color: var(--text-main);
}

.guide-cta {
    margin-top: 2rem;
    text-align: center;
}

/* Process Section */
.process-steps {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

@media (min-width: 768px) {
    .process-steps {
        grid-template-columns: repeat(4, 1fr);
    }
}

.step {
    position: relative;
    text-align: center;
}

.step-number {
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-main));
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.1);
}

.step-content h4 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
    color: var(--text-main);
}

.step-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.process-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.process-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
}

.process-info-item i {
    color: var(--accent);
    font-size: 1.25rem;
}

.process-info-item strong {
    color: var(--text-main);
}

/* Trust Section */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .trust-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.trust-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    transition: all 0.3s ease;
}

.trust-item:hover {
    transform: translateY(-4px);
    border-color: rgba(96, 165, 250, 0.3);
}

.trust-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(251, 191, 36, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--accent);
    font-size: 1.5rem;
}

.trust-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.trust-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* AEO Answer Block Section */
.answer-blocks {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 2rem;
}

.answer-block {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    padding: 2rem;
    position: relative;
}

.answer-block h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.answer-block h3 i {
    color: var(--accent);
}

.answer-summary {
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 1rem;
    font-weight: 600;
}

.answer-detail {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.answer-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 99px;
    font-size: 0.8rem;
    color: #60a5fa;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border-radius: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--card-border);
    overflow: hidden;
    transition: border-color 0.3s;
}

.faq-item.active {
    border-color: rgba(96, 165, 250, 0.3);
    background: rgba(30, 41, 59, 0.6);
}

.faq-question {
    padding: 1.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main);
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.03);
}

.faq-toggle {
    transition: transform 0.3s ease;
    color: var(--text-muted);
}

.faq-answer {
    padding: 0 1.75rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-muted);
    border-top: 1px solid transparent;
}

.faq-item.active .faq-answer {
    padding: 0 1.75rem 1.75rem;
    max-height: 300px;
    border-top-color: rgba(255, 255, 255, 0.05);
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
    color: #60a5fa;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #172554 0%, #1e40af 100%);
    color: white;
    text-align: center;
    padding: 8rem 1rem;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(at 50% 0%, rgba(251, 191, 36, 0.2), transparent 70%);
    pointer-events: none;
}

.cta-section h2 {
    color: white;
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.cta-section > .container > p {
    color: #bfdbfe;
    margin-bottom: 3rem;
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
}

.contact-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 640px) {
    .contact-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 1.25rem;
    padding: 2rem;
}

.contact-card-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: var(--accent);
}

.contact-card h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.contact-card > p {
    color: #bfdbfe;
    margin-bottom: 1rem;
}

.phone-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    display: block;
    margin-bottom: 1rem;
}

.phone-number:hover {
    color: var(--accent);
}

.online-note {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-top: 0.75rem;
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 99px;
    font-size: 0.9rem;
    color: white;
}

.trust-badge i {
    color: var(--accent);
}

/* Footer */
.footer {
    background: #020617;
    color: #94a3b8;
    padding: 3.2rem 1rem 2rem;
    font-size: 0.95rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.1rem;
}

@media (min-width: 900px) {
    .footer-top {
        grid-template-columns: 1.05fr 1fr;
        align-items: stretch;
        gap: 1.25rem;
    }
}

.footer-col-left {
    display: grid;
    gap: 0.9rem;
}

.footer-brand,
.footer-info,
.footer-social-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 1.2rem;
}

.footer-brand {
    display: flex;
    align-items: flex-start;
}

.footer-logo-box {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-text-group {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-title {
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

.brand-link {
    color: #60a5fa;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.2s;
}

.brand-link:hover {
    color: #93c5fd;
    text-decoration: underline;
}

.footer-info {
    color: #cbd5e1;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.footer-info p {
    margin-bottom: 0.55rem;
}

.footer-info strong {
    color: #e2e8f0;
}

.footer-social-note {
    margin: 0 0 0.7rem;
    color: #cbd5e1;
    font-size: 0.95rem;
}

.footer-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.footer-links a i {
    font-size: 1.2rem;
}

.sns-naver { color: #2DB400 !important; }
.sns-facebook { color: #1877F2 !important; }
.sns-twitter { color: #1D9BF0 !important; }
.sns-instagram { color: #E4405F !important; }
.sns-youtube { color: #FF0000 !important; }

.footer-links a:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

/* Mobile optimizations */
@media (max-width: 480px) {
    .section-title h2 {
        font-size: 1.8rem;
    }

    .card {
        padding: 2rem;
    }

    .hero {
        padding-top: 8rem;
    }

    .psychological-cards {
        grid-template-columns: 1fr;
    }
}