/* ===========================
   JJ-LABs Website Styles
   B2B 기술 기업 컨셉 디자인
   =========================== */

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

:root {
    /* Colors - 프로페셔널한 B2B 느낌 */
    --primary-color: #2563eb;      /* 신뢰감 있는 블루 */
    --primary-dark: #1e40af;
    --secondary-color: #64748b;    /* 차분한 그레이 블루 */
    --accent-color: #0ea5e9;       /* 포인트 라이트 블루 */
    
    --text-primary: #1e293b;       /* 진한 그레이 (가독성) */
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gray: #f1f5f9;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans KR', sans-serif;
    --font-code: 'Consolas', 'Monaco', 'Courier New', monospace;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-white);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===========================
   Navigation
   =========================== */

.navbar {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-brand a {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-menu li a {
    padding: 8px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-menu li a:hover {
    color: var(--primary-color);
    background-color: var(--bg-light);
}

.nav-menu li a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.btn-contact {
    background-color: var(--primary-color) !important;
    color: white !important;
    padding: 10px 20px !important;
}

.btn-contact:hover {
    background-color: var(--primary-dark) !important;
}

/* Hamburger Menu (Mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: 0.3s;
}

/* ===========================
   Buttons
   =========================== */

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-large {
    padding: 16px 36px;
    font-size: 17px;
}

.btn-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-link:hover {
    color: var(--primary-dark);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    padding: 120px 0 100px;
    text-align: center;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

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

/* ===========================
   Trust Block (신뢰 블록)
   =========================== */

.trust-block {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.trust-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: 12px;
    background-color: var(--bg-light);
    transition: all 0.3s;
}

.trust-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.trust-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.trust-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.trust-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   Solutions Section
   =========================== */

.solutions {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 60px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.solution-card {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.solution-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--primary-color);
}

.solution-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.solution-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.solution-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Projects Preview
   =========================== */

.projects-preview {
    padding: 80px 0;
    background-color: var(--bg-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.project-card {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.project-tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--bg-light);
    color: var(--primary-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.project-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.project-problem,
.project-solution,
.project-result {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.7;
}

.project-result {
    color: var(--primary-color);
    font-weight: 500;
    margin-top: 16px;
}

.section-cta {
    text-align: center;
    margin-top: 60px;
}

/* ===========================
   Lab Notes Preview
   =========================== */

.lab-notes-preview {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.notes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.note-card {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.note-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.note-tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: var(--bg-light);
    color: var(--accent-color);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.note-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.note-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.note-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--text-light);
}

/* ===========================
   Contact CTA
   =========================== */

.contact-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    text-align: center;
    padding: 80px 24px;
}

.contact-cta h2 {
    font-size: 38px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-cta p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

.contact-cta .btn {
    background-color: white;
    color: var(--primary-color);
}

.contact-cta .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: var(--text-primary);
    color: var(--bg-light);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    color: white;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-light);
    margin-bottom: 8px;
}

.footer-tagline {
    margin-top: 20px;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 30px;
    text-align: center;
    color: var(--text-light);
}

/* ===========================
   Page Header (서브 페이지)
   =========================== */

.page-header {
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
    padding: 80px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.page-header p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* ===========================
   Project Detail Pages
   =========================== */

.project-detail {
    padding: 80px 0;
}

.project-detail.alt {
    background-color: var(--bg-light);
}

.project-header {
    text-align: center;
    margin-bottom: 60px;
}

.project-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tag {
    padding: 8px 16px;
    background-color: var(--bg-light);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.project-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.project-intro {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

.project-content {
    max-width: 900px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 50px;
}

.content-section h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
}

.content-section h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 30px;
    margin-bottom: 16px;
}

.content-section ul, .content-section ol {
    margin-left: 24px;
    margin-bottom: 20px;
}

.content-section li {
    margin-bottom: 10px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.system-diagram {
    background-color: var(--bg-light);
    padding: 24px;
    border-radius: 8px;
    margin: 20px 0;
}

.system-diagram pre {
    font-family: var(--font-code);
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.8;
    overflow-x: auto;
}

pre code {
    font-family: var(--font-code);
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    display: block;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.6;
    border: 1px solid var(--border-color);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.result-card {
    background-color: var(--bg-light);
    padding: 24px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid var(--border-color);
}

.result-card h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
    text-transform: uppercase;
}

.result-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.result-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.data-table thead {
    background-color: var(--bg-light);
}

.data-table th,
.data-table td {
    padding: 12px 16px;
    text-align: left;
    border: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-primary);
}

.data-table td {
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background-color: var(--bg-light);
}

/* ===========================
   Solutions Detail Pages
   =========================== */

.solutions-detail {
    padding: 60px 0;
}

.solution-detail-card {
    max-width: 1000px;
    margin: 0 auto 80px;
    padding: 50px;
    background-color: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.solution-icon-large {
    font-size: 64px;
    margin-bottom: 24px;
}

.solution-detail-card h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.solution-lead {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.solution-content h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 40px;
    margin-bottom: 24px;
    border-left: 4px solid var(--primary-color);
    padding-left: 16px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.service-item {
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: 8px;
}

.service-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.service-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-list {
    list-style: none;
    margin-left: 0;
}

.tech-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.tech-list li:last-child {
    border-bottom: none;
}

.process-list {
    counter-reset: step-counter;
    list-style: none;
    margin-left: 0;
}

.process-list li {
    counter-increment: step-counter;
    padding: 16px 0 16px 60px;
    position: relative;
    border-left: 2px solid var(--border-color);
}

.process-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: -20px;
    top: 16px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.education-course {
    background-color: var(--bg-light);
    padding: 24px;
    border-radius: 8px;
    margin: 24px 0;
}

.course-duration {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 16px;
}

/* Tech Stack */
.tech-stack {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.tech-category h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tags span {
    padding: 8px 14px;
    background-color: var(--bg-white);
    color: var(--text-secondary);
    border-radius: 6px;
    font-size: 14px;
    border: 1px solid var(--border-color);
}

/* ===========================
   Lab Notes Detail
   =========================== */

.notes-list {
    padding: 60px 0;
}

.note-detail {
    max-width: 900px;
    margin: 0 auto 80px;
    padding: 50px;
    background-color: var(--bg-white);
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.note-header {
    margin-bottom: 40px;
}

.note-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 20px 0;
    line-height: 1.3;
}

.note-meta {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    font-size: 14px;
}

.note-content h3 {
    font-size: 26px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 40px;
    margin-bottom: 20px;
    border-left: 4px solid var(--accent-color);
    padding-left: 16px;
}

.note-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 30px;
    margin-bottom: 16px;
}

.recommendation-box {
    background-color: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    margin: 16px 0;
    border-left: 4px solid var(--accent-color);
}

.recommendation-box h4 {
    margin-top: 0;
    margin-bottom: 8px;
}

.more-notes {
    margin-top: 80px;
}

.coming-soon {
    color: var(--text-light);
    font-style: italic;
}

/* ===========================
   About Page
   =========================== */

.about-content {
    padding: 60px 0;
}

.about-section {
    max-width: 1000px;
    margin: 0 auto 80px;
}

.about-section h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
    text-align: center;
}

.lead {
    font-size: 20px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
}

.mission-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.mission-card {
    padding: 32px;
    background-color: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.mission-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.mission-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.value-item {
    text-align: center;
    padding: 32px;
}

.value-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.value-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.value-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.strengths-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.strength-item {
    padding: 24px;
    background-color: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.strength-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.strength-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.process-step {
    padding: 32px;
    background-color: var(--bg-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    position: relative;
}

.step-number {
    position: absolute;
    top: 32px;
    left: 32px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
}

.process-step h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-left: 70px;
    margin-bottom: 8px;
}

.process-step p {
    margin-left: 70px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.process-step ul {
    margin-left: 94px;
}

.highlight-section {
    background-color: var(--bg-light);
    padding: 50px;
    border-radius: 16px;
}

.philosophy-quote {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-primary);
    text-align: center;
    margin: 40px 0;
    padding: 32px;
    border-left: 4px solid var(--primary-color);
    background-color: var(--bg-white);
    border-radius: 8px;
    line-height: 1.7;
}

.philosophy-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.philosophy-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.philosophy-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 40px;
}

.section-intro {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
}

/* ===========================
   Contact Page
   =========================== */

.contact-section {
    padding: 60px 0 80px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.contact-info > p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
}

.contact-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-details p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-cta-box {
    background-color: var(--bg-light);
    padding: 24px;
    border-radius: 8px;
    margin-top: 40px;
}

.contact-cta-box h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-cta-box p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Contact Form */
.contact-form-wrapper h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.form-intro {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 15px;
    font-family: var(--font-primary);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 8px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    font-size: 14px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.privacy-note {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 8px;
    line-height: 1.5;
}

.form-message {
    padding: 16px;
    border-radius: 6px;
    margin-top: 20px;
    display: none;
}

.form-message.success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #86efac;
    display: block;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    display: block;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-item {
    background-color: var(--bg-white);
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.faq-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.faq-item p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===========================
   Quick Projects (Summary cards)
   =========================== */

.quick-projects {
    padding: 80px 0;
    background-color: var(--bg-light);
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--bg-white);
        flex-direction: column;
        padding: 40px 24px;
        transition: left 0.3s;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero */
    .hero {
        padding: 80px 0 60px;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    /* Sections */
    .section-title {
        font-size: 32px;
    }
    
    .trust-grid,
    .solutions-grid,
    .projects-grid,
    .notes-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    /* Detail Pages */
    .project-detail,
    .solution-detail-card,
    .note-detail {
        padding: 32px 24px;
    }
    
    .project-header h2,
    .solution-detail-card h2,
    .note-header h2 {
        font-size: 28px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        padding: 24px;
    }
    
    .step-number {
        position: static;
        margin-bottom: 16px;
    }
    
    .process-step h3,
    .process-step p,
    .process-step ul {
        margin-left: 0;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===========================
   Utilities
   =========================== */

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }