/* ========================================
   CHECKI Landing Page - Main Stylesheet
   ======================================== */

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

:root {
    /* Colors */
    --primary-color: #4A90E2;
    --primary-hover: #357ABD;
    --secondary-color: #2C3E50;
    --secondary-hover: #1A252F;
    --accent-color: #E74C3C;
    --accent-hover: #C0392B;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F7F7F7;
    --bg-campaign: #FFF4E6;
    --border-color: #E0E0E0;
    --success-color: #27AE60;
    --warning-color: #F39C12;
    
    /* Typography */
    --font-main: 'Noto Sans JP', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-max-width: 1200px;
    
    /* Shadows */
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 8px 24px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

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

/* ========================================
   Header
   ======================================== */
.header {
    position: sticky;
    top: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-small);
    z-index: 1000;
    padding: 15px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 28px;
    font-weight: var(--font-weight-black);
    color: var(--primary-color);
    margin-bottom: 0;
}

.logo-sub {
    font-size: 11px;
    color: var(--text-medium);
    font-weight: var(--font-weight-normal);
}

.nav-list {
    display: flex;
    gap: 30px;
    list-style: none;
    align-items: center;
}

.nav-list a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

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

.nav-cta {
    background: var(--primary-color);
    color: var(--bg-white) !important;
    padding: 10px 20px;
    border-radius: 25px;
    transition: background var(--transition-fast);
}

.nav-cta:hover {
    background: var(--primary-hover);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #E8F4F8 0%, #FFFFFF 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 20px;
}

.hero-badge i {
    font-size: 16px;
}

.hero-title {
    font-size: 36px;
    line-height: 1.5;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.hero-subtitle-inline {
    font-size: 22px;
    color: var(--primary-color);
    font-weight: var(--font-weight-medium);
    display: block;
    margin-top: 10px;
}

.hero-title .highlight {
    color: var(--primary-color);
    position: relative;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-features {
    list-style: none;
    margin-bottom: 40px;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 17px;
    font-weight: var(--font-weight-medium);
}

.hero-features i {
    color: var(--success-color);
    font-size: 20px;
}

.hero-cta {
    margin-bottom: 15px;
}

.hero-cta-note {
    font-size: 14px;
    color: var(--text-light);
}

.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 20px;
    height: 400px;
    position: relative;
    box-shadow: var(--shadow-large);
}

.hero-image i {
    font-size: 120px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-badge-side {
    position: absolute;
    bottom: -20px;
    right: 20px;
    background: var(--bg-white);
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow-medium);
    text-align: center;
}

.badge-number {
    font-size: 36px;
    font-weight: var(--font-weight-black);
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.badge-text {
    font-size: 14px;
    color: var(--text-medium);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    font-size: 16px;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    cursor: pointer;
}

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

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

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

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

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

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

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
}

/* ========================================
   Campaign Banner
   ======================================== */
.campaign {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFFFFF 100%);
    padding: 40px 0;
    text-align: center;
    border-top: 3px solid var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.campaign-label {
    font-size: 14px;
    color: var(--text-medium);
    font-weight: var(--font-weight-medium);
    margin-bottom: 10px;
}

.campaign-title {
    font-size: 32px;
    font-weight: var(--font-weight-black);
    margin-bottom: 10px;
}

.campaign-price {
    color: var(--accent-color);
    font-size: 48px;
    margin: 0 10px;
}

.campaign-note {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 20px;
}

/* ========================================
   Section Titles
   ======================================== */
.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: var(--font-weight-black);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 20px;
}

.section-title .highlight {
    color: var(--primary-color);
    font-size: 40px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 50px;
    line-height: 1.8;
}

/* ========================================
   Authority Section
   ======================================== */
.authority {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.authority-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: var(--font-weight-black);
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-medium);
    font-weight: var(--font-weight-medium);
}

.authority-group {
    text-align: center;
    background: var(--bg-light);
    padding: 40px;
    border-radius: 15px;
}

.authority-subtitle {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.authority-text {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ========================================
   Problem Section
   ======================================== */
.problem {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.problem-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.problem-list {
    list-style: none;
    margin-bottom: 30px;
}

.problem-list li {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.7;
}

.problem-list i {
    color: var(--primary-color);
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.problem-solution {
    text-align: center;
    margin-top: 40px;
}

.solution-arrow {
    font-size: 40px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.solution-text {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--secondary-color);
}

.solution-text .highlight {
    color: var(--primary-color);
    font-size: 28px;
}

.problem-image {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FFE5DC 0%, #FFF4E6 100%);
    border-radius: 20px;
    height: 350px;
}

.problem-image i {
    font-size: 100px;
    color: var(--primary-color);
    opacity: 0.7;
}

/* ========================================
   Your Assistant Section
   ======================================== */
.your-assistant {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #F0F8FF 0%, #FFFFFF 100%);
}

.assistant-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.assistant-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.assistant-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.assistant-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.assistant-icon i {
    font-size: 50px;
    color: var(--bg-white);
}

.assistant-icon-img {
    text-align: center;
    margin-bottom: 20px;
}

.assistant-illustration-small {
    width: 140px;
    height: auto;
    border-radius: 10px;
}

.assistant-name {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.assistant-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
}

.assistant-example {
    background: var(--bg-light);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    border-left: 3px solid var(--primary-color);
}

.assistant-example h5 {
    font-size: 13px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.assistant-example p {
    font-size: 12px;
    color: var(--text-dark);
    line-height: 1.6;
    font-style: italic;
    margin: 0;
}

.assistant-skills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.skill-tag {
    display: inline-block;
    padding: 5px 12px;
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 15px;
    font-size: 12px;
    font-weight: var(--font-weight-medium);
}

.assistant-note {
    background: var(--bg-light);
    padding: 20px 30px;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

.assistant-note p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin: 0 0 10px 0;
}

.assistant-note p:last-child {
    margin-bottom: 0;
}

.assistant-note-highlight {
    font-size: 16px !important;
    color: var(--primary-color) !important;
    font-weight: var(--font-weight-bold) !important;
    margin-top: 10px !important;
}

.assistant-note i {
    color: var(--accent-color);
    margin-right: 8px;
}

/* ========================================
   Services Section
   ======================================== */
.services {
    padding: var(--section-padding);
    background: var(--bg-white);
}

/* Service Detail Accordion */
.service-detail-section {
    margin-bottom: 60px;
}

.service-detail-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.service-detail-list {
    max-width: 900px;
    margin: 0 auto;
}

.service-detail-item {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all var(--transition-medium);
}

.service-detail-item:hover {
    border-color: var(--primary-color);
}

.service-detail-item.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-medium);
}

.service-detail-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: none;
    border: none;
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
    color: var(--text-dark);
}

.service-detail-question:hover {
    background: var(--bg-light);
}

.service-detail-question span {
    display: flex;
    align-items: center;
    gap: 12px;
}

.service-detail-question i:first-child {
    color: var(--primary-color);
    font-size: 20px;
}

.service-detail-question i:last-child {
    color: var(--primary-color);
    font-size: 18px;
    transition: transform var(--transition-fast);
}

.service-detail-item.active .service-detail-question i:last-child {
    transform: rotate(180deg);
}

.service-detail-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

.service-detail-item.active .service-detail-answer {
    max-height: 800px;
}

.service-detail-description {
    padding: 0 25px 15px;
    font-size: 15px;
    color: var(--text-medium);
    line-height: 1.8;
    border-left: 3px solid var(--primary-color);
    margin-left: 25px;
    margin-bottom: 15px;
}

.service-detail-examples {
    list-style: none;
    padding: 0 25px 20px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.service-detail-examples li {
    font-size: 14px;
    color: var(--text-dark);
    padding: 10px 15px;
    background: var(--bg-light);
    border-radius: 8px;
    position: relative;
    padding-left: 35px;
    line-height: 1.5;
}

.service-detail-examples li::before {
    content: '✓';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--success-color);
    font-weight: var(--font-weight-bold);
    font-size: 16px;
}

/* Service Grid Simple */
.services-grid-simple {
    margin-top: 60px;
}

.service-grid-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: 30px;
    color: var(--secondary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.service-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all var(--transition-medium);
}

.service-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 36px;
    color: var(--bg-white);
}

.service-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 12px;
}

.service-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
}

.services-note {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.services-note h4 {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 10px;
    color: var(--primary-color);
}

.services-note p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: var(--section-padding);
    background: var(--bg-light);
}

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

.feature-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 40px 30px;
    position: relative;
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-small);
}

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

.feature-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 48px;
    font-weight: var(--font-weight-black);
    color: rgba(255, 107, 53, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 30px;
    color: var(--bg-white);
}

.feature-title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 15px;
}

.feature-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ========================================
   Flow Section
   ======================================== */
.flow {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.flow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.flow-step {
    flex: 1;
    text-align: center;
}

.flow-step-number {
    display: inline-block;
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
}

.flow-step-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step-icon i {
    font-size: 40px;
    color: var(--bg-white);
}

.flow-step-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 12px;
}

.flow-step-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

.flow-arrow {
    font-size: 30px;
    color: var(--primary-color);
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: var(--section-padding);
    background: var(--bg-light);
}

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

.testimonial-card {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow-small);
    transition: all var(--transition-medium);
}

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

.testimonial-illustration {
    text-align: center;
    margin-bottom: 20px;
}

.assistant-illustration {
    width: 180px;
    height: auto;
    border-radius: 10px;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-avatar i {
    font-size: 30px;
    color: var(--bg-white);
}

.testimonial-name {
    font-weight: var(--font-weight-bold);
    margin-bottom: 5px;
}

.testimonial-company {
    font-size: 14px;
    color: var(--text-medium);
}

.testimonial-request {
    background: var(--bg-light);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 15px;
    border-left: 3px solid var(--primary-color);
}

.testimonial-request h5 {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.testimonial-request p {
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.6;
    font-style: italic;
    margin: 0;
}

.testimonial-rating {
    margin-bottom: 15px;
}

.testimonial-rating i {
    color: var(--warning-color);
    font-size: 16px;
}

.testimonial-text {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    font-style: normal;
}

.testimonials-note {
    background: linear-gradient(135deg, #FFE8E8 0%, #FFF5F5 100%);
    padding: 20px 30px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid var(--accent-color);
}

.testimonials-note p {
    font-size: 15px;
    color: var(--text-dark);
    line-height: 1.7;
    margin: 0;
    font-weight: var(--font-weight-medium);
}

.testimonials-note i {
    color: var(--accent-color);
    margin-right: 8px;
}

/* ========================================
   Trust Section
   ======================================== */
.trust {
    padding: var(--section-padding);
    background: var(--bg-white);
}

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

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

.trust-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-icon i {
    font-size: 45px;
    color: var(--bg-white);
}

.trust-title {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 15px;
}

.trust-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-small);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i {
    color: var(--primary-color);
    font-size: 18px;
    transition: transform var(--transition-fast);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-medium);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 20px;
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.8;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.pricing-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    transition: all var(--transition-medium);
    position: relative;
}

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

.pricing-card-featured {
    border-color: var(--primary-color);
    border-width: 3px;
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: var(--bg-white);
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: var(--font-weight-bold);
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-name {
    font-size: 24px;
    font-weight: var(--font-weight-black);
    margin-bottom: 10px;
}

.pricing-description {
    font-size: 14px;
    color: var(--text-medium);
}

.pricing-price {
    margin-bottom: 30px;
}

.price-currency {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    vertical-align: top;
}

.price-amount {
    font-size: 56px;
    font-weight: var(--font-weight-black);
    color: var(--primary-color);
}

.price-period {
    font-size: 18px;
    color: var(--text-medium);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    line-height: 1.6;
}

.pricing-features i {
    color: var(--success-color);
    font-size: 16px;
    margin-top: 2px;
}

.pricing-note {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
}

.pricing-note p {
    font-size: 14px;
    color: var(--text-medium);
    margin-bottom: 10px;
}

.pricing-note p:last-child {
    margin-bottom: 0;
}

.pricing-note strong {
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

/* ========================================
   Final CTA Section
   ======================================== */
.final-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    text-align: center;
    color: var(--bg-white);
}

.final-cta-title {
    font-size: 42px;
    font-weight: var(--font-weight-black);
    margin-bottom: 20px;
    line-height: 1.4;
}

.final-cta-subtitle {
    font-size: 18px;
    margin-bottom: 40px;
    line-height: 1.8;
    opacity: 0.95;
}

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

.final-cta .btn-primary:hover {
    background: var(--bg-light);
    color: var(--primary-hover);
}

.final-cta-note {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.final-cta-info {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.final-cta-info p {
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--text-dark);
    color: var(--bg-light);
    padding: 60px 0 30px;
}

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

.footer-title {
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 20px;
    color: var(--bg-white);
}

.footer-description {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 30px;
    color: var(--text-light);
}

.footer-group {
    margin-top: 20px;
}

.footer-group p {
    font-size: 14px;
    font-weight: var(--font-weight-bold);
    margin-bottom: 10px;
    color: var(--bg-white);
}

.footer-group-list {
    list-style: none;
}

.footer-group-list li {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 5px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    font-size: 14px;
    color: var(--text-light);
}

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

/* Tablet */
@media (max-width: 1024px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .hero-content,
    .problem-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-right {
        display: none;
    }
    
    .services-grid,
    .features-grid,
    .testimonials-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .authority-stats,
    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .flow-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        transition: left var(--transition-medium);
        box-shadow: var(--shadow-medium);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 40px 20px;
        gap: 0;
    }
    
    .nav-list li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-list a {
        display: block;
        padding: 15px 0;
    }
    
    .nav-cta {
        margin-top: 20px;
        display: inline-block;
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .services-grid,
    .features-grid,
    .testimonials-grid,
    .pricing-grid,
    .authority-stats,
    .trust-grid,
    .assistant-cards {
        grid-template-columns: 1fr;
    }
    
    .service-detail-examples {
        grid-template-columns: 1fr;
    }
    
    .campaign-title {
        font-size: 24px;
    }
    
    .campaign-price {
        font-size: 36px;
    }
    
    .final-cta-title {
        font-size: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .btn-large {
        padding: 15px 30px;
        font-size: 16px;
    }
    
    .pricing-card-featured {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .price-amount {
        font-size: 42px;
    }
}