/* ========================================
   광고를 잘 아는 사람들(JS) - Style Sheet
   Theme: Black & Red
======================================== */

:root {
    --primary: #E31837;
    --primary-dark: #B8132C;
    --primary-light: #FF4D6A;
    --black: #0A0A0A;
    --black-light: #141414;
    --black-lighter: #1E1E1E;
    --black-border: #2A2A2A;
    --white: #FFFFFF;
    --gray-100: #F5F5F5;
    --gray-200: #E0E0E0;
    --gray-300: #BDBDBD;
    --gray-400: #9E9E9E;
    --gray-500: #757575;
    --gray-600: #616161;
    --kakao: #FEE500;
    --gradient-red: linear-gradient(135deg, #E31837 0%, #FF4D6A 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--black);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.highlight { color: var(--primary); }
.gray { color: var(--gray-400); }

/* Header */
#header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 20px 0; transition: all 0.3s ease;
}
#header.scrolled, #header.header-dark {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
#header .container { display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-icon {
    width: 42px; height: 42px; background: var(--gradient-red); border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: 800; color: var(--white);
}
.logo-text { font-size: 16px; font-weight: 700; color: var(--white); }
.logo-text span { color: var(--primary); }

.nav-menu ul { display: flex; gap: 40px; list-style: none; }
.nav-menu a {
    color: var(--gray-300); text-decoration: none; font-size: 15px;
    font-weight: 500; transition: color 0.3s ease; position: relative;
}
.nav-menu a::after {
    content: ''; position: absolute; bottom: -5px; left: 0;
    width: 0; height: 2px; background: var(--primary); transition: width 0.3s ease;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--white); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }

.header-cta {
    background: var(--gradient-red); color: var(--white);
    padding: 10px 24px; border-radius: 50px; text-decoration: none;
    font-weight: 600; font-size: 14px; transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(227, 24, 55, 0.3);
}
.header-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(227, 24, 55, 0.4); }

.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; }
.mobile-menu-btn span { width: 24px; height: 2px; background: var(--white); transition: all 0.3s ease; }

.mobile-menu {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: var(--black); z-index: 999; opacity: 0; visibility: hidden; transition: all 0.3s ease;
}
.mobile-menu.active { opacity: 1; visibility: visible; }
.mobile-menu-inner { padding: 100px 30px 30px; }
.mobile-menu .mobile-logo { margin-bottom: 40px; }
.mobile-menu ul { list-style: none; }
.mobile-menu ul li { margin-bottom: 20px; }
.mobile-menu ul a { color: var(--white); text-decoration: none; font-size: 24px; font-weight: 600; }

/* Hero */
#hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.hero-bg {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 20% 80%, rgba(227, 24, 55, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(227, 24, 55, 0.1) 0%, transparent 50%), var(--black);
}
.hero-grid {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}
#hero .container { position: relative; z-index: 2; }
.hero-content { text-align: center; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(227, 24, 55, 0.1); border: 1px solid rgba(227, 24, 55, 0.3);
    padding: 10px 24px; border-radius: 50px; margin-bottom: 30px;
    font-size: 14px; color: var(--primary); font-weight: 500;
}
.hero-badge::before {
    content: ''; width: 8px; height: 8px; background: var(--primary);
    border-radius: 50%; animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.3); } }

.hero-title {
    font-family: 'Montserrat', sans-serif; font-size: clamp(42px, 8vw, 80px);
    font-weight: 900; line-height: 1.1; margin-bottom: 20px; letter-spacing: -2px;
}
.hero-title .highlight {
    background: var(--gradient-red); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-subtitle { font-size: clamp(18px, 3vw, 26px); color: var(--gray-400); margin-bottom: 15px; font-weight: 300; }
.hero-tagline { font-size: clamp(16px, 2.5vw, 20px); color: var(--gray-300); margin-bottom: 50px; }
.hero-tagline strong { color: var(--white); font-weight: 700; }
.hero-cta-group { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn-kakao {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--kakao); color: #000; padding: 16px 40px;
    border-radius: 50px; text-decoration: none; font-weight: 700; font-size: 16px;
    transition: all 0.3s ease; box-shadow: 0 4px 25px rgba(254, 229, 0, 0.3);
}
.btn-kakao:hover { transform: translateY(-3px); box-shadow: 0 8px 35px rgba(254, 229, 0, 0.4); }

.btn-secondary {
    display: inline-flex; align-items: center; gap: 10px;
    background: transparent; color: var(--white); padding: 16px 40px;
    border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 16px;
    border: 2px solid var(--gray-600); transition: all 0.3s ease;
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    color: var(--primary); text-decoration: none; font-weight: 600; font-size: 15px;
    padding: 12px 0; border-bottom: 2px solid transparent; transition: all 0.3s ease;
}
.btn-outline:hover { border-color: var(--primary); }

.btn-kakao-large {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    background: var(--kakao); color: #000; padding: 20px 50px;
    border-radius: 16px; text-decoration: none; font-weight: 700; font-size: 18px;
    transition: all 0.3s ease; box-shadow: 0 4px 25px rgba(254, 229, 0, 0.3);
}
.btn-kakao-large:hover { transform: translateY(-3px); box-shadow: 0 8px 35px rgba(254, 229, 0, 0.4); }

.btn-call {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--black-lighter); color: var(--white); padding: 20px 40px;
    border-radius: 16px; text-decoration: none; font-weight: 600; font-size: 18px;
    border: 1px solid var(--black-border); transition: all 0.3s ease;
}
.btn-call:hover { border-color: var(--primary); }

/* Scroll Indicator */
.scroll-indicator {
    position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    color: var(--gray-500); font-size: 11px; letter-spacing: 2px;
}
.scroll-indicator .mouse {
    width: 24px; height: 38px; border: 2px solid var(--gray-500);
    border-radius: 12px; position: relative;
}
.scroll-indicator .mouse::before {
    content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    width: 3px; height: 8px; background: var(--primary); border-radius: 2px;
    animation: scrollAnim 2s infinite;
}
@keyframes scrollAnim { 0% { opacity: 1; top: 8px; } 100% { opacity: 0; top: 18px; } }

/* Sections */
section { padding: 100px 0; }
.section-header {
    display: flex; justify-content: space-between; align-items: flex-end;
    margin-bottom: 60px; flex-wrap: wrap; gap: 20px;
}
.section-header.center { flex-direction: column; align-items: center; text-align: center; }
.section-label {
    font-family: 'Montserrat', sans-serif; font-size: 13px; letter-spacing: 3px;
    color: var(--primary); font-weight: 600; margin-bottom: 12px; display: block;
}
.section-title { font-size: clamp(28px, 5vw, 42px); font-weight: 800; line-height: 1.3; }

/* Values */
#values { background: var(--black-light); position: relative; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.value-card {
    background: var(--black); border: 1px solid var(--black-border); border-radius: 20px;
    padding: 45px 35px; text-align: center; transition: all 0.4s ease;
    position: relative; overflow: hidden;
}
.value-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--gradient-red); transform: scaleX(0); transition: transform 0.4s ease;
}
.value-card:hover { transform: translateY(-8px); border-color: rgba(227, 24, 55, 0.3); }
.value-card:hover::before { transform: scaleX(1); }
.value-number {
    font-family: 'Montserrat', sans-serif; font-size: 48px; font-weight: 800;
    color: var(--primary); opacity: 0.2; position: absolute; top: 15px; right: 25px;
}
.value-icon { font-size: 50px; margin-bottom: 25px; }
.value-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 15px; }
.value-card p { color: var(--gray-400); font-size: 15px; line-height: 1.7; }

/* Services Preview */
#services-preview { background: var(--black); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card {
    background: var(--black-light); border: 1px solid var(--black-border); border-radius: 20px;
    padding: 40px 30px; transition: all 0.4s ease; position: relative; overflow: hidden;
}
.service-card::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 0;
    background: var(--gradient-red); opacity: 0.08; transition: height 0.4s ease;
}
.service-card:hover { transform: translateY(-8px); border-color: var(--primary); }
.service-card:hover::after { height: 100%; }
.service-icon {
    width: 65px; height: 65px; background: var(--gradient-red); border-radius: 16px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 25px; font-size: 30px; position: relative; z-index: 1;
}
.service-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; position: relative; z-index: 1; }
.service-card > p { color: var(--gray-400); font-size: 14px; line-height: 1.7; margin-bottom: 20px; position: relative; z-index: 1; }
.service-features { list-style: none; position: relative; z-index: 1; }
.service-features li {
    color: var(--gray-300); font-size: 14px; padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex; align-items: center; gap: 10px;
}
.service-features li:last-child { border-bottom: none; }
.service-features li::before { content: '✓'; color: var(--primary); font-weight: 700; }

/* Stats */
#stats { background: var(--primary); padding: 80px 0; }
.stats-content { text-align: center; }
.stats-content h3 { font-size: clamp(22px, 4vw, 30px); font-weight: 700; margin-bottom: 50px; line-height: 1.5; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-item { background: rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 35px 20px; backdrop-filter: blur(10px); }
.stat-number { display: block; font-family: 'Montserrat', sans-serif; font-size: 42px; font-weight: 800; margin-bottom: 8px; }
.stat-label { font-size: 14px; opacity: 0.9; }

/* Vision */
#vision { background: var(--black-light); }
.vision-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.vision-text .section-title { margin-bottom: 30px; }
.vision-quote { font-size: clamp(20px, 3vw, 28px); font-weight: 300; line-height: 1.6; color: var(--gray-200); }
.vision-quote strong { font-weight: 700; color: var(--white); }
.vision-desc { margin-top: 25px; color: var(--gray-400); font-size: 16px; line-height: 1.8; }
.vision-cards { display: flex; flex-direction: column; gap: 20px; }
.vision-card {
    background: var(--black); border: 1px solid var(--black-border); border-radius: 16px;
    padding: 30px; position: relative; transition: all 0.3s ease;
}
.vision-card:hover { border-color: var(--primary); }
.vision-card-number { font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 10px; display: block; }
.vision-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.vision-card p { color: var(--gray-400); font-size: 14px; line-height: 1.6; }

/* CTA */
#cta { background: var(--black); padding: 100px 0; }
.cta-content { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(28px, 5vw, 40px); font-weight: 800; margin-bottom: 20px; }
.cta-content > p { color: var(--gray-400); font-size: 18px; margin-bottom: 40px; }
.cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }

/* Footer */
#footer { background: var(--black-light); padding: 80px 0 30px; border-top: 1px solid var(--black-border); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer-brand .logo { margin-bottom: 20px; }
.footer-brand p { color: var(--gray-500); font-size: 14px; line-height: 1.8; }
.footer-links h4 { font-size: 15px; font-weight: 700; margin-bottom: 20px; }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 12px; color: var(--gray-500); font-size: 14px; }
.footer-links a { color: var(--gray-500); text-decoration: none; transition: color 0.3s ease; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
    padding-top: 30px; border-top: 1px solid var(--black-border);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;
}
.copyright { color: var(--gray-600); font-size: 13px; }
.footer-legal { display: flex; gap: 25px; }
.footer-legal a { color: var(--gray-500); text-decoration: none; font-size: 13px; transition: color 0.3s ease; }
.footer-legal a:hover { color: var(--white); }

/* Mobile Quick */
.mobile-quick {
    display: none; position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--black); border-top: 1px solid var(--black-border);
    padding: 12px 15px; z-index: 998; gap: 12px;
}
.mobile-quick a {
    flex: 1; padding: 14px; border-radius: 12px; text-decoration: none;
    font-weight: 600; font-size: 14px; text-align: center;
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.quick-call { background: var(--black-lighter); color: var(--white); border: 1px solid var(--black-border); }
.quick-kakao { background: var(--kakao); color: #000; }

/* Scroll Top */
.scroll-top {
    position: fixed; bottom: 90px; right: 20px; width: 48px; height: 48px;
    background: var(--primary); border-radius: 50%; display: none;
    align-items: center; justify-content: center; color: var(--white);
    cursor: pointer; z-index: 997; transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(227, 24, 55, 0.4);
}
.scroll-top:hover { transform: translateY(-5px); }
.scroll-top.show { display: flex; }

/* Sub Visual */
.sub-visual {
    padding: 180px 0 80px; background: var(--black); text-align: center;
    position: relative; overflow: hidden;
}
.sub-visual::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(ellipse at 50% 100%, rgba(227, 24, 55, 0.15) 0%, transparent 60%);
}
.sub-visual .container { position: relative; z-index: 1; }
.sub-label { font-family: 'Montserrat', sans-serif; font-size: 13px; letter-spacing: 3px; color: var(--gray-400); display: block; margin-bottom: 15px; }
.sub-title { font-size: clamp(36px, 6vw, 52px); font-weight: 800; }

/* Breadcrumb */
.breadcrumb { background: var(--black-light); padding: 15px 0; border-bottom: 1px solid var(--black-border); }
.breadcrumb .container { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray-500); }
.breadcrumb a { color: var(--gray-400); text-decoration: none; transition: color 0.3s ease; }
.breadcrumb a:hover { color: var(--white); }

/* Company Page */
.company-intro { padding: 80px 0; }
.intro-header { margin-bottom: 80px; }
.intro-title { font-size: clamp(24px, 4vw, 36px); font-weight: 700; line-height: 1.6; }
.intro-content { display: flex; flex-direction: column; gap: 60px; }
.intro-block { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: center; }
.intro-block.reverse { grid-template-columns: 1.2fr 1fr; }
.intro-block.reverse .intro-text { order: -1; }
.intro-image { position: relative; }
.image-placeholder {
    background: var(--black-light); border: 1px solid var(--black-border); border-radius: 20px;
    padding: 80px; display: flex; align-items: center; justify-content: center; font-size: 80px;
}
.intro-number { font-family: 'Montserrat', sans-serif; font-size: 60px; font-weight: 800; color: var(--primary); opacity: 0.3; display: block; margin-bottom: 20px; }
.intro-text h3 { font-size: clamp(20px, 3vw, 26px); font-weight: 700; line-height: 1.6; }

/* Stats Banner */
.stats-banner { background: var(--primary); padding: 80px 0; }
.stats-banner-content { text-align: center; }
.stats-banner-content h3 { font-size: clamp(20px, 3vw, 28px); font-weight: 700; margin-bottom: 50px; line-height: 1.5; }
.stats-banner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat-banner-item { background: rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 35px 20px; backdrop-filter: blur(10px); }
.stat-num { display: block; font-family: 'Montserrat', sans-serif; font-size: 48px; font-weight: 800; margin-bottom: 8px; }
.stat-txt { font-size: 13px; letter-spacing: 1px; opacity: 0.9; }

/* Why Us */
.why-us { padding: 100px 0; }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 25px; }
.why-card {
    background: var(--black-light); border: 1px solid var(--black-border); border-radius: 16px;
    padding: 35px 25px; text-align: center; transition: all 0.3s ease;
}
.why-card:hover { border-color: var(--primary); transform: translateY(-5px); }
.why-icon { font-size: 40px; margin-bottom: 20px; }
.why-card h4 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.why-card p { color: var(--gray-400); font-size: 14px; line-height: 1.6; }

/* Company Contact */
.company-contact { padding: 80px 0; background: var(--black-light); }
.contact-header { margin-bottom: 40px; }
.contact-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.contact-info-item { background: var(--black); border: 1px solid var(--black-border); border-radius: 16px; padding: 30px; }
.contact-label { display: block; font-size: 13px; color: var(--gray-500); margin-bottom: 15px; }
.contact-value { display: flex; align-items: center; gap: 15px; }
.contact-icon { font-size: 24px; }
.contact-value span, .contact-value a { font-size: 18px; font-weight: 600; color: var(--white); text-decoration: none; }
.contact-value a:hover { color: var(--primary); }

/* Service Page */
.service-section { padding-top: 0; }
.service-tabs { display: flex; gap: 15px; padding: 40px 0; flex-wrap: wrap; }
.tab-btn {
    background: var(--black-light); border: 1px solid var(--black-border); color: var(--gray-400);
    padding: 14px 30px; border-radius: 50px; font-size: 15px; font-weight: 600;
    cursor: pointer; transition: all 0.3s ease; font-family: inherit;
}
.tab-btn:hover { border-color: var(--primary); color: var(--white); }
.tab-btn.active { background: var(--primary); border-color: var(--primary); color: var(--white); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Service Intro Banner */
.service-intro-banner { background: var(--black-light); padding: 60px 0; }
.intro-quote { position: relative; text-align: center; max-width: 800px; margin: 0 auto; }
.quote-mark { font-size: 40px; color: var(--primary); opacity: 0.5; display: block; }
.quote-mark.end { text-align: right; }
.intro-quote p { font-size: clamp(18px, 3vw, 24px); line-height: 1.7; color: var(--gray-200); }

/* Service Detail */
.service-detail { padding: 80px 0; }
.detail-header { text-align: center; max-width: 800px; margin: 0 auto 60px; }
.detail-header h3 { font-size: clamp(26px, 4vw, 36px); font-weight: 700; margin-bottom: 20px; line-height: 1.4; }
.detail-header p { color: var(--gray-400); font-size: 16px; line-height: 1.8; }

/* SEO Section */
.seo-section { margin-bottom: 80px; }
.seo-header { text-align: center; margin-bottom: 50px; }
.seo-header h3 { font-size: clamp(26px, 4vw, 34px); font-weight: 700; margin-bottom: 20px; }
.seo-header p { color: var(--gray-400); font-size: 16px; line-height: 1.8; }
.sub-heading { font-size: clamp(22px, 3vw, 28px); font-weight: 700; margin-bottom: 30px; }
.seo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 25px; }
.seo-card { background: var(--black-light); border: 1px solid var(--black-border); border-radius: 16px; padding: 35px 30px; transition: all 0.3s ease; }
.seo-card:hover { border-color: var(--primary); }
.seo-card.primary { background: var(--gradient-red); border: none; }
.seo-num { font-family: 'Montserrat', sans-serif; font-size: 32px; font-weight: 800; display: block; margin-bottom: 15px; }
.seo-card:not(.primary) .seo-num { color: var(--primary); }
.seo-card h5 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.seo-card p { font-size: 14px; line-height: 1.6; }
.seo-card:not(.primary) p { color: var(--gray-400); }

/* Process Section */
.process-section { margin-bottom: 60px; }
.process-list { display: flex; flex-direction: column; gap: 20px; }
.process-item {
    display: flex; align-items: flex-start; gap: 25px;
    background: var(--black-light); border: 1px solid var(--black-border);
    border-radius: 16px; padding: 30px; transition: all 0.3s ease;
}
.process-item:hover { border-color: var(--primary); }
.process-num { font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 800; color: var(--primary); min-width: 40px; }
.process-item p { font-size: 16px; line-height: 1.6; color: var(--gray-300); }
.process-item p strong { color: var(--white); }

/* Solution Banner */
.solution-banner { background: var(--black-light); padding: 80px 0; }
.solution-content { text-align: center; max-width: 800px; margin: 0 auto; }
.solution-label { font-family: 'Montserrat', sans-serif; font-size: 13px; letter-spacing: 2px; color: var(--primary); display: block; margin-bottom: 20px; }
.solution-content h3 { font-size: clamp(22px, 4vw, 32px); font-weight: 700; line-height: 1.5; margin-bottom: 40px; }
.solution-messages { text-align: left; max-width: 600px; margin: 0 auto; }
.solution-messages p { color: var(--gray-400); font-size: 16px; padding: 12px 0; border-bottom: 1px solid var(--black-border); }
.solution-messages p:last-child { border-bottom: none; }
.solution-messages p strong { color: var(--white); }

/* Contact Page */
.contact-section { padding: 80px 0; }
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info-side h2 { font-size: clamp(30px, 5vw, 44px); font-weight: 800; margin-bottom: 20px; line-height: 1.3; }
.contact-desc { color: var(--gray-400); font-size: 17px; line-height: 1.8; margin-bottom: 40px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: center; gap: 20px; }
.contact-item .contact-icon {
    width: 55px; height: 55px; background: var(--black-light); border: 1px solid var(--black-border);
    border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 22px;
}
.contact-text { display: flex; flex-direction: column; gap: 4px; }
.contact-text .label { font-size: 13px; color: var(--gray-500); }
.contact-text span, .contact-text a { font-size: 17px; font-weight: 600; color: var(--white); text-decoration: none; }
.contact-text a:hover { color: var(--primary); }

/* Kakao Card */
.contact-kakao-side { position: sticky; top: 100px; }
.kakao-card {
    background: var(--black-light); border: 1px solid var(--black-border);
    border-radius: 24px; padding: 50px 40px; text-align: center;
}
.kakao-icon {
    width: 110px; height: 110px; background: var(--kakao); border-radius: 28px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 30px; box-shadow: 0 10px 40px rgba(254, 229, 0, 0.2);
}
.kakao-card h3 { font-size: 26px; font-weight: 700; margin-bottom: 15px; line-height: 1.4; }
.kakao-card > p { color: var(--gray-400); font-size: 15px; margin-bottom: 30px; line-height: 1.6; }
.kakao-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    background: var(--kakao); color: #000; padding: 18px 45px;
    border-radius: 14px; text-decoration: none; font-weight: 700; font-size: 17px;
    transition: all 0.3s ease; box-shadow: 0 4px 20px rgba(254, 229, 0, 0.3);
    margin-bottom: 35px; width: 100%;
}
.kakao-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(254, 229, 0, 0.4); }
.kakao-benefits { list-style: none; text-align: left; }
.kakao-benefits li { display: flex; align-items: center; gap: 12px; color: var(--gray-300); font-size: 15px; padding: 10px 0; }
.kakao-benefits li span { color: var(--primary); font-weight: 700; }

/* Contact Services */
.contact-services { background: var(--black-light); padding: 80px 0; }
.contact-services .section-title { margin-bottom: 50px; }
.service-summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-summary-card {
    background: var(--black); border: 1px solid var(--black-border); border-radius: 20px;
    padding: 40px 30px; text-align: center; transition: all 0.3s ease;
}
.service-summary-card:hover { border-color: var(--primary); transform: translateY(-5px); }
.card-icon { font-size: 50px; margin-bottom: 20px; }
.service-summary-card h4 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
.service-summary-card p { color: var(--gray-400); font-size: 14px; line-height: 1.6; margin-bottom: 20px; }
.card-link { color: var(--primary); text-decoration: none; font-weight: 600; font-size: 14px; transition: all 0.3s ease; }
.card-link:hover { text-decoration: underline; }

/* FAQ Section */
.faq-section { padding: 80px 0; }
.faq-section .section-title { margin-bottom: 50px; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.faq-item { background: var(--black-light); border: 1px solid var(--black-border); border-radius: 16px; padding: 30px; }
.faq-question { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; }
.faq-question .q {
    width: 32px; height: 32px; background: var(--primary); border-radius: 8px;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; flex-shrink: 0;
}
.faq-question span:last-child { font-size: 17px; font-weight: 600; }
.faq-answer { display: flex; align-items: flex-start; gap: 15px; padding-left: 47px; }
.faq-answer .a {
    width: 32px; height: 32px; background: var(--black-lighter); border-radius: 8px;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px;
    color: var(--gray-400); flex-shrink: 0;
}
.faq-answer p { color: var(--gray-400); font-size: 15px; line-height: 1.7; padding-top: 5px; }

/* Responsive */
@media (max-width: 1024px) {
    .values-grid, .services-grid, .seo-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid, .stats-banner-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
    .vision-content, .contact-wrapper { grid-template-columns: 1fr; gap: 50px; }
    .intro-block, .intro-block.reverse { grid-template-columns: 1fr; }
    .intro-block.reverse .intro-text { order: 0; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .contact-info-grid, .service-summary-grid { grid-template-columns: 1fr; }
    .contact-kakao-side { position: static; }
}

@media (max-width: 768px) {
    .nav-menu, .header-cta { display: none; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu { display: block; }
    .mobile-quick { display: flex; }
    .values-grid, .services-grid, .seo-grid, .stats-grid, .stats-banner-grid, .why-grid, .service-summary-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .scroll-top { bottom: 80px; }
    section { padding: 70px 0; }
    .sub-visual { padding: 140px 0 60px; }
    .service-tabs { justify-content: center; }
    .tab-btn { padding: 12px 20px; font-size: 14px; }
    .hero-cta-group { flex-direction: column; align-items: center; }
    .btn-kakao, .btn-secondary { width: 100%; max-width: 300px; justify-content: center; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .btn-kakao-large, .btn-call { width: 100%; max-width: 320px; justify-content: center; }
}