/*
Theme Name: chung-sewer
Theme URI: https://chung.gmi.or.kr
Description: 개포동 강남 하수구막힘 전문 서비스 업체 홈페이지
Version: 2.0.0
Author: ROBOPRESS
Text Domain: chung-sewer
*/

/* ========== RESET & BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1565C0;
    --primary-dark: #0D47A1;
    --accent: #0288D1;
    --accent-light: #03A9F4;
    --dark: #0D47A1;
    --white: #ffffff;
    --light-gray: #F5F7FA;
    --gray: #6B7280;
    --dark-gray: #374151;
    --text: #1F2937;
    --shadow: 0 4px 24px rgba(21, 101, 192, 0.12);
    --shadow-lg: 0 12px 48px rgba(21, 101, 192, 0.18);
    --radius: 16px;
    --radius-lg: 24px;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

/* ========== UTILITIES ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 120px 0;
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text);
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 22px;
    text-align: center;
    color: var(--gray);
    margin-bottom: 64px;
    line-height: 1.6;
}

/* ========== HEADER / NAV ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    transition: box-shadow 0.3s;
}

.site-header.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.site-logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-logo svg {
    width: 36px;
    height: 36px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.header-nav a {
    font-size: 17px;
    font-weight: 600;
    color: var(--dark-gray);
    transition: color 0.2s;
}

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

.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white) !important;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 16px;
    transition: background 0.2s, transform 0.2s;
}

.header-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Mobile menu */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text);
    margin: 6px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* ========== HERO ========== */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 50%, #E1F5FE 100%);
    position: relative;
    overflow: hidden;
}

.hero.hero-fullimg {
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: none;
}

.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13,71,161,0.90) 0%, rgba(21,101,192,0.80) 50%, rgba(2,136,209,0.75) 100%);
    z-index: 1;
}

.hero.hero-fullimg .container {
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero.hero-fullimg h1 {
    color: var(--white);
    text-shadow: 0 4px 16px rgba(0,0,0,0.3);
    font-size: clamp(48px, 9vw, 80px);
    letter-spacing: -0.03em;
}

.hero.hero-fullimg .hero-desc {
    color: rgba(255,255,255,0.92);
    font-size: 24px;
    max-width: 700px;
}

.hero.hero-fullimg .hero-badge {
    background: rgba(255,255,255,0.18);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.3);
    font-size: 18px;
    padding: 12px 28px;
}

.hero.hero-fullimg .hero-phone {
    color: var(--white);
    font-size: 40px;
}

.hero.hero-fullimg .btn-primary {
    background: var(--white);
    color: var(--primary-dark);
    font-size: 20px;
    padding: 22px 48px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
    border-radius: 14px;
}

.hero.hero-fullimg .btn-primary:hover {
    background: #E3F2FD;
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.hero.hero-fullimg .btn-secondary {
    border-color: rgba(255,255,255,0.6);
    color: var(--white);
    background: rgba(255,255,255,0.1);
    font-size: 20px;
    padding: 22px 48px;
    border-radius: 14px;
}

.hero.hero-fullimg .btn-secondary:hover {
    background: rgba(255,255,255,0.2);
    border-color: var(--white);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(21,101,192,0.08) 0%, transparent 70%);
    border-radius: 50%;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(21,101,192,0.1);
    color: var(--primary);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 64px);
    font-weight: 900;
    color: var(--primary-dark);
    line-height: 1.2;
    margin-bottom: 28px;
    letter-spacing: -0.02em;
}

.hero-desc {
    font-size: 22px;
    color: var(--dark-gray);
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: var(--white);
    padding: 20px 40px;
    border-radius: 14px;
    font-size: 19px;
    font-weight: 700;
    transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    color: var(--primary);
    padding: 20px 40px;
    border-radius: 14px;
    font-size: 19px;
    font-weight: 700;
    border: 2px solid var(--primary);
    transition: background 0.2s, transform 0.2s;
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(21,101,192,0.05);
    transform: translateY(-3px);
}

.hero-phone {
    margin-top: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 32px;
    font-weight: 900;
    color: var(--primary-dark);
    letter-spacing: 0.02em;
}

.hero-phone svg {
    width: 32px;
    height: 32px;
}

/* ========== SERVICES ========== */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(21,101,192,0.12);
}

.service-card-img {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.service-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s;
}

.service-card:hover .service-card-img img {
    transform: scale(1.08);
}

.service-card-body {
    padding: 28px 28px 36px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -42px auto 20px;
    position: relative;
    z-index: 1;
    box-shadow: 0 6px 20px rgba(21,101,192,0.35);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--white);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--text);
}

.service-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
}

/* ========== EQUIPMENT ========== */
.equipment {
    background: var(--light-gray);
}

.equipment-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.equipment-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.equipment-img img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    object-position: center top;
}

.equipment-text h3 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.equipment-text p {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.equipment-text .highlight {
    color: var(--primary);
    font-weight: 700;
}

/* ========== SERVICE AREA ========== */
.area {
    background: var(--light-gray);
}

.area-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.area-map {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    border-radius: var(--radius-lg);
    padding: 64px;
    text-align: center;
    position: relative;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.area-map svg {
    width: 100px;
    height: 100px;
    color: var(--primary);
    margin-bottom: 28px;
}

.area-map-label {
    font-size: 28px;
    font-weight: 900;
    color: var(--primary-dark);
}

.area-list h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 28px;
    color: var(--text);
}

.area-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.area-tag {
    background: var(--white);
    border: 2px solid rgba(21,101,192,0.15);
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    color: var(--dark-gray);
    transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.area-tag:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(21,101,192,0.03);
}

.area-note {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
    padding-left: 20px;
    border-left: 4px solid var(--primary);
}

/* ========== PROCESS ========== */
.process {
    background: var(--white);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 52px;
    left: 10%;
    right: 10%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    z-index: 0;
}

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

.step-number {
    width: 104px;
    height: 104px;
    background: var(--white);
    border: 4px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    transition: background 0.3s, color 0.3s;
}

.step-number svg {
    width: 44px;
    height: 44px;
    color: var(--primary);
    transition: color 0.3s;
}

.step:hover .step-number {
    background: var(--primary);
}

.step:hover .step-number svg {
    color: var(--white);
}

.step h4 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text);
}

.step p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.5;
}

/* ========== FOOTER ========== */
.site-footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 64px 0 40px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 64px;
    margin-bottom: 40px;
}

.footer-info h3 {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 20px;
}

.footer-info p {
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    line-height: 1.9;
}

.footer-info .footer-phone {
    font-size: 32px;
    font-weight: 900;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
}

.footer-links h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    font-size: 16px;
    color: rgba(255,255,255,0.75);
    padding: 6px 0;
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 28px;
    font-size: 15px;
    color: rgba(255,255,255,0.5);
    text-align: center;
}

/* ========== INQUIRY FORM ========== */
.inquiry-page {
    padding: 140px 0 100px;
    background: var(--light-gray);
    min-height: 100vh;
}

.inquiry-form-wrap {
    max-width: 720px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 64px 56px;
    box-shadow: var(--shadow-lg);
}

.inquiry-form-wrap h1 {
    font-size: 36px;
    font-weight: 900;
    color: var(--text);
    margin-bottom: 12px;
    text-align: center;
}

.inquiry-form-desc {
    text-align: center;
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 48px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group label .required {
    color: #EF4444;
    margin-left: 2px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #D1D5DB;
    border-radius: 12px;
    font-size: 17px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--white);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(21,101,192,0.12);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9CA3AF;
}

/* Privacy consent */
.consent-group {
    margin: 28px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.consent-group input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.consent-label {
    font-size: 16px;
    color: var(--dark-gray);
    line-height: 1.5;
}

.consent-label .privacy-link {
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
    font-weight: 600;
}

.consent-label .privacy-link:hover {
    color: var(--primary-dark);
}

.form-submit {
    width: 100%;
    padding: 20px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 14px;
    font-size: 19px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

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

.form-submit:disabled {
    background: #9CA3AF;
    cursor: not-allowed;
    transform: none;
}

.form-message {
    margin-top: 20px;
    padding: 18px 20px;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #A7F3D0;
    display: block;
}

.form-message.error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
    display: block;
}

/* Privacy modal */
.privacy-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.privacy-modal-overlay.active {
    display: flex;
}

.privacy-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.privacy-modal h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--text);
}

.privacy-modal table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    font-size: 16px;
}

.privacy-modal th,
.privacy-modal td {
    border: 1px solid #D1D5DB;
    padding: 14px 16px;
    text-align: left;
}

.privacy-modal th {
    background: var(--light-gray);
    font-weight: 700;
    white-space: nowrap;
}

.privacy-modal p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 12px;
}

.privacy-modal-close {
    display: block;
    width: 100%;
    padding: 16px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 20px;
    font-family: inherit;
}

.privacy-modal-close:hover {
    background: var(--primary-dark);
}

/* ========== CTA BANNER ========== */
.cta-banner {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    padding: 80px 64px;
    border-radius: 28px;
    text-align: center;
    color: var(--white);
    margin-top: 64px;
}

.cta-banner h3 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-banner p {
    font-size: 20px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 36px;
}

.cta-banner .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    color: var(--primary);
    padding: 18px 40px;
    border-radius: 14px;
    font-weight: 700;
    font-size: 18px;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.cta-banner .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* ========== SITEMAP FOOTER ========== */
.footer-sitemap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.footer-sitemap h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

.footer-sitemap a {
    display: block;
    font-size: 15px;
    color: rgba(255,255,255,0.65);
    padding: 4px 0;
    transition: color 0.2s;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }

    .header-inner {
        padding: 0 24px;
        height: 68px;
    }

    .header-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 18px;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }

    .header-nav.open {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero.hero-fullimg {
        min-height: 100vh;
    }

    .hero.hero-fullimg h1 {
        font-size: clamp(36px, 10vw, 52px);
    }

    .hero.hero-fullimg .hero-desc {
        font-size: 18px;
    }

    .hero.hero-fullimg .btn-primary,
    .hero.hero-fullimg .btn-secondary {
        font-size: 17px;
        padding: 18px 32px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-desc {
        font-size: 18px;
    }

    .hero-phone {
        font-size: 28px;
    }

    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 32px;
    }

    .section-desc {
        font-size: 18px;
        margin-bottom: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .service-card-img {
        height: 220px;
    }

    .equipment-content {
        grid-template-columns: 1fr;
    }

    .equipment-text h3 {
        font-size: 28px;
    }

    .area-content {
        grid-template-columns: 1fr;
    }

    .process-steps {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .process-steps::before {
        display: none;
    }

    .step {
        display: flex;
        align-items: center;
        gap: 20px;
        text-align: left;
    }

    .step-number {
        width: 72px;
        height: 72px;
        flex-shrink: 0;
        margin: 0;
    }

    .step-number svg {
        width: 36px;
        height: 36px;
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 36px;
    }

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

    .inquiry-page {
        padding: 100px 0 60px;
    }

    .inquiry-form-wrap {
        padding: 40px 28px;
    }

    .inquiry-form-wrap h1 {
        font-size: 28px;
    }

    .privacy-modal {
        padding: 32px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 16px 28px;
        font-size: 17px;
        width: 100%;
        justify-content: center;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-banner {
        padding: 48px 28px;
        border-radius: 20px;
    }

    .cta-banner h3 {
        font-size: 28px;
    }

    .cta-banner p {
        font-size: 17px;
    }
}