/**
 * SDC WellCare - Premium UI Design
 * 완전히 새로운 프리미엄 디자인
 */

/* ===== 색상 시스템 (프리미엄) ===== */
:root {
    /* Primary - Medical Blue/Teal */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;

    /* Secondary - Medical Green */
    --secondary-color: #10B981;
    --secondary-light: #34D399;
    --secondary-dark: #059669;

    /* Accent */
    --accent-orange: #F59E0B;
    --accent-pink: #EC4899;

    /* Neutral */
    --text-primary: #1F2937;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-dark: #111827;

    /* Shadows */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    overflow-x: hidden;
}

/* ===== Header Premium Style ===== */
#header {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

#header.alt {
    background: transparent !important;
    box-shadow: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

#header.alt .tel {
    color: #1F2937 !important;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

#header.alt nav a {
    color: #1F2937 !important;
    text-shadow: 0 2px 4px rgba(255, 255, 255, 0.8);
    font-weight: 600;
}

#header.alt nav a:hover {
    color: var(--primary-color) !important;
}

#header nav a {
    font-weight: 500;
    transition: all 0.3s ease;
}

#header nav a:hover {
    color: var(--primary-color) !important;
}

/* 스크롤 시 헤더 변경 */
#header.scrolled {
    background: rgba(255, 255, 255, 0.98) !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15) !important;
}

#header.scrolled .tel {
    color: var(--text-primary) !important;
    text-shadow: none;
}

#header.scrolled nav a {
    color: var(--text-secondary) !important;
    text-shadow: none;
}

/* ===== Hero Section ===== */
#hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
        rgba(79, 70, 229, 0.9) 0%,
        rgba(99, 102, 241, 0.85) 50%,
        rgba(139, 92, 246, 0.9) 100%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    color: white;
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease-out 0.2s both;
}

.hero-badge i {
    font-size: 1.2rem;
    animation: pulse 2s ease-in-out infinite;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.4s both;
}

.highlight-text {
    background: linear-gradient(90deg, #FCD34D, #FDE047);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.35rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.8;
    margin-bottom: 3rem;
    font-weight: 400;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-2xl);
}

.cta-button.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button.primary:hover::before {
    left: 100%;
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 1s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: white;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== Features Section ===== */
#features-section {
    padding: 8rem 2rem;
    background: linear-gradient(180deg, #F9FAFB 0%, #FFFFFF 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.title-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-light);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: all 0.4s ease;
}

.feature-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-icon i {
    font-size: 2.5rem;
    color: white;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.card-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.card-footer {
    padding-top: 1.5rem;
    border-top: 1px solid #E5E7EB;
}

.learn-more {
    color: var(--primary-color);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.feature-card:hover .learn-more {
    transform: translateX(5px);
    display: inline-block;
}

/* ===== Process Section ===== */
#process-section {
    padding: 8rem 2rem;
    background: white;
}

.process-timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.timeline-item {
    display: grid;
    grid-template-columns: 80px 1fr 80px;
    gap: 3rem;
    align-items: center;
    margin-bottom: 5rem;
    position: relative;
}

.timeline-item:nth-child(2) {
    grid-template-columns: 80px 1fr 80px;
}

.timeline-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: white;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.timeline-content {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 2px solid #F3F4F6;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.timeline-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.timeline-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.timeline-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.timeline-link:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
    display: inline-block;
}

.timeline-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.timeline-icon i {
    font-size: 2rem;
    color: white;
}

/* ===== CTA Section ===== */
#cta-section {
    padding: 8rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

#cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

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

.cta-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 3rem;
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.75rem 3.5rem;
    background: white;
    color: var(--primary-color);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 15px;
    text-decoration: none;
    box-shadow: var(--shadow-2xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cta-button-large:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.4);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .timeline-item {
        grid-template-columns: 60px 1fr;
        gap: 2rem;
    }

    .timeline-icon,
    .timeline-item:nth-child(2) .timeline-number:last-child {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .cta-button {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        gap: 2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
        flex-direction: column;
        gap: 1rem;
    }

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

    .timeline-item {
        grid-template-columns: 50px 1fr;
        gap: 1.5rem;
    }

    .timeline-number {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .cta-title {
        font-size: 2.5rem;
    }

    .cta-subtitle {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    #features-section,
    #process-section,
    #cta-section {
        padding: 4rem 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }
}

/* ===== Header h1 Layout (Logo + Contact) ===== */
#header h1 {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* ===== Header Contact Info Styles ===== */
.header-contact-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    margin-top: 12px;
}

.header-contact-info .service-title {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: #4F46E5;
    margin: 0;
    line-height: 1.3;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, #4F46E5 0%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-contact-info .contact-phone {
    font-family: 'Inter', 'Noto Sans KR', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0;
    line-height: 1;
    letter-spacing: 0.02em;
}

/* Responsive adjustments for header contact */
@media (max-width: 980px) {
    #header h1 {
        gap: 1rem;
    }

    .header-contact-info .service-title {
        font-size: 0.75rem;
    }

    .header-contact-info .contact-phone {
        font-size: 0.95rem;
    }
}

@media (max-width: 736px) {
    .header-contact-info {
        display: none;
    }

    #header h1 {
        justify-content: center;
    }
}