/* =============================================
   MOLDCARE - Main Stylesheet
   Clean, Professional White & Blue Design
   ============================================= */

/* CSS Variables */
:root {
    /* Primary Colors - Blue Tone */
    --primary: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3399FF;

    /* Neutral Colors */
    --white: #FFFFFF;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;

    /* Accent Colors */
    --success: #10B981;
    --warning: #F59E0B;

    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

    /* Spacing */
    --nav-height: 70px;
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* CTA Button */
.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.4);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background: transparent;
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-full {
    width: 100%;
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #001F3F 0%, #003366 50%, #004080 100%);
    overflow: hidden;
    padding-top: var(--nav-height);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?w=1920') center/cover;
    opacity: 0.15;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0, 20, 40, 0.5) 100%);
}

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

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero h1 .highlight {
    color: #4ECDC4;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Stats Bar */
.stats-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px 0;
    z-index: 2;
}

.stats-bar {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: #4ECDC4;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* =============================================
   SECTIONS COMMON
   ============================================= */
.section {
    padding: var(--section-padding);
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 60px;
}

.section.promises,
.section.faq {
    background: var(--gray-50);
}

/* =============================================
   PROMISES SECTION
   ============================================= */
.promises .container {
    text-align: center;
}

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

.promise-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.promise-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.promise-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.promise-icon i {
    font-size: 2rem;
    color: var(--white);
}

.promise-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.promise-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services .container {
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--gray-50);
    padding: 36px 28px;
    border-radius: 16px;
    text-align: left;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.service-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.service-card-full {
    grid-column: span 3;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
}

.service-card-full h3,
.service-card-full p {
    color: var(--white);
}

.service-card-full .service-icon {
    background: rgba(255, 255, 255, 0.2);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card-full .service-icon {
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq .container {
    text-align: center;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question i {
    transition: var(--transition);
    color: var(--gray-400);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 24px;
    line-height: 1.3;
}

.about-text p {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-list {
    margin-top: 24px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-weight: 500;
    color: var(--gray-700);
}

.about-list i {
    color: var(--success);
    font-size: 1.1rem;
}

.about-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* =============================================
   CONTACT SECTION (New Design)
   ============================================= */
.contact {
    background: linear-gradient(180deg, #D4F5E9 0%, #E8F8F2 100%);
    padding: 80px 0;
}

.contact .container {
    max-width: 600px;
}

/* Contact Header */
.contact-header {
    text-align: center;
    margin-bottom: 40px;
}

.contact-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.4;
    margin-bottom: 12px;
}

.contact-title span {
    color: var(--primary);
}

.contact-desc {
    font-size: 0.95rem;
    color: var(--gray-600);
    margin-bottom: 24px;
}

/* Contact Buttons */
.contact-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-phone {
    background: #FF6B6B;
    color: white;
}

.btn-sms {
    background: #4ECDC4;
    color: white;
}

.btn-kakao {
    background: #FEE500;
    color: #3C1E1E;
}

/* Form Wrapper */
.contact-form-wrapper {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.form-header {
    background: var(--gray-100);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--gray-200);
}

.form-header i {
    color: var(--primary);
    font-size: 1.2rem;
}

.form-header span {
    font-weight: 600;
    color: var(--gray-800);
}

/* Contact Form */
.contact-form {
    padding: 30px;
    box-shadow: none;
    border-radius: 0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.label-sub {
    font-weight: 400;
    color: var(--gray-400);
    font-size: 0.85rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 10px;
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--gray-800);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    color: var(--gray-700);
}

.checkbox-item:hover {
    border-color: var(--primary-light);
}

.checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.checkbox-item input[type="checkbox"]:checked+span {
    color: var(--primary);
    font-weight: 600;
}

/* Form Notice */
.form-notice {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.form-notice i {
    color: var(--success);
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #4ECDC4, #44B8AC);
    color: white;
    font-family: var(--font-family);
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(78, 205, 196, 0.4);
}

/* Form Tip */
.form-tip {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 16px;
}

.form-tip i {
    color: var(--primary);
    margin-right: 4px;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 60px 0 30px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-700);
    margin-bottom: 30px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 4px;
}

.footer-brand p {
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--gray-400);
}

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

.footer-bottom {
    text-align: center;
    font-size: 0.85rem;
    line-height: 1.8;
}

/* =============================================
   FLOATING CTA (Mobile)
   ============================================= */
.floating-cta {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.3rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-phone {
    background: var(--primary);
}

.float-kakao {
    background: #FEE500;
    color: #3C1E1E;
}

.float-blog {
    background: #03C75A;
    color: white;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */
@media (max-width: 1024px) {

    .promises-grid,
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .service-card-full {
        grid-column: span 2;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 60px;
        --section-padding: 60px 0;
    }

    /* Mobile Navigation */
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 15px 0;
        border-bottom: 1px solid var(--gray-100);
    }

    .nav-cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    /* Hero Mobile */
    .hero h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .stats-bar {
        gap: 30px;
        padding: 20px;
    }

    .hero-content {
        padding-bottom: 140px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    /* Sections Mobile */
    .section-title {
        font-size: 1.8rem;
    }

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

    .service-card-full {
        grid-column: span 1;
    }

    /* Contact Mobile */
    .contact-title {
        font-size: 1.4rem;
    }

    .contact-buttons {
        flex-direction: column;
        align-items: center;
    }

    .contact-btn {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }

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

    .checkbox-group {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-form {
        padding: 20px;
    }

    /* Footer Mobile */
    .footer-top {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .hero-btns {
        flex-direction: column;
        width: 100%;
        padding: 0 20px;
    }

    .hero-btns .btn-cta,
    .hero-btns .btn-outline {
        width: 100%;
    }

    .stats-bar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}