/* CSS Variables */
:root {
    --color-primary: #4A154B;
    --color-primary-light: #611f69;
    --color-secondary: #36C5F0;
    --color-accent: #2EB67D;
    --color-warning: #ECB22E;
    --color-error: #E01E5A;

    --color-text: #1D1C1D;
    --color-text-light: #616061;
    --color-text-muted: #868686;

    --color-bg: #FFFFFF;
    --color-bg-light: #F8F8F8;
    --color-bg-dark: #1D1C1D;

    --color-border: #DDDDDD;
    --color-border-light: #E8E8E8;

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

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

    --transition: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-slack {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-md) var(--spacing-xl);
}

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

.btn-slack svg {
    width: 20px;
    height: 20px;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: 1.125rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-img {
    height: 36px;
    width: auto;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 800;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    color: var(--color-text-light);
    font-weight: 500;
}

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

.nav-links a.btn {
    color: white !important;
}

.nav-links a.btn:hover {
    color: white !important;
}

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

.hero-cta {
    margin-bottom: var(--spacing-xl);
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--color-text-light);
    cursor: help;
}

/* Slack Mockup */
.slack-mockup {
    background-color: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
}

.slack-header {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-md) var(--spacing-lg);
    color: white;
}

.channel-name {
    font-weight: 600;
}

.slack-message {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.message-input {
    background-color: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--color-text);
}

.message-input code {
    background-color: var(--color-primary);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.slack-response {
    padding: var(--spacing-lg);
}

.response-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.bot-name {
    font-weight: 700;
}

.bot-badge {
    font-size: 0.625rem;
    padding: 2px 6px;
    background-color: var(--color-accent);
    color: white;
    border-radius: 4px;
    font-weight: 600;
}

.response-content {
    font-size: 0.9rem;
    line-height: 1.7;
}

.correction {
    background-color: rgba(46, 182, 125, 0.2);
    color: var(--color-accent);
    padding: 0 4px;
    border-radius: 2px;
    font-weight: 500;
}

/* Section Styles */
.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-3xl);
}

/* Journey Section */
.journey {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg);
}

.journey-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.journey-step {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.journey-step:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.journey-step.coming-soon {
    opacity: 0.8;
    background: linear-gradient(135deg, var(--color-bg-light) 0%, rgba(74, 21, 75, 0.05) 100%);
    border: 2px dashed var(--color-primary);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: var(--spacing-xs);
}

.step-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.step-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.step-features li {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: white;
    border-radius: var(--border-radius);
}

.coming-soon-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--color-warning);
    color: var(--color-text);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.journey-connector {
    width: 2px;
    height: 30px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-border) 100%);
    margin-left: 47px;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.feature-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(74, 21, 75, 0.1) 0%, rgba(97, 31, 105, 0.1) 100%);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}

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

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.feature-command {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
}

.feature-command code {
    font-size: 0.875rem;
    color: var(--color-primary);
}

/* Roadmap Section */
.roadmap {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
}

.roadmap-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.roadmap .section-title {
    color: white;
}

.roadmap-text {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.roadmap-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}

.roadmap-tag {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
}

/* CTA Section */
.cta {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    background-color: var(--color-bg-light);
}

.cta h2 {
    margin-bottom: var(--spacing-md);
}

.cta p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background-color: var(--color-bg-dark);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--spacing-sm);
}

.footer-brand .logo-text {
    color: white;
}

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

.footer-column h4 {
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-xs) 0;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin: 0 auto var(--spacing-xl);
    }

    .hero-badges {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        justify-items: center;
    }
}

@media (max-width: 768px) {
    h1, .hero-title {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .journey-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

    .step-features {
        justify-content: center;
    }

    .journey-connector {
        margin: 0 auto;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    h1, .hero-title {
        font-size: 2rem;
    }

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

    .btn-lg {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.hero-visual,
.journey-step,
.feature-card {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-visual {
    animation-delay: 0.2s;
}

.journey-step:nth-child(2) { animation-delay: 0.1s; }
.journey-step:nth-child(3) { animation-delay: 0.2s; }
.journey-step:nth-child(4) { animation-delay: 0.3s; }
.journey-step:nth-child(5) { animation-delay: 0.4s; }

.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }

/* Legal Pages (Privacy, Terms) */
.legal-hero {
    padding: 140px 0 60px;
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
    text-align: center;
}

.legal-hero h1 {
    margin-bottom: var(--spacing-md);
}

.legal-hero p {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

.legal-content {
    padding: var(--spacing-3xl) 0;
}

.legal-content h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.legal-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.legal-content p,
.legal-content ul {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

.legal-content ul {
    padding-left: var(--spacing-xl);
    list-style: disc;
}

.legal-content ul li {
    margin-bottom: var(--spacing-sm);
}

.legal-content a {
    color: var(--color-primary);
}

.legal-content a:hover {
    text-decoration: underline;
}

/* Support Page Styles */
.support-content {
    padding: var(--spacing-3xl) 0;
}

.support-section {
    margin-bottom: var(--spacing-3xl);
}

.support-section h2 {
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-border-light);
    padding-bottom: var(--spacing-md);
}

/* Quick Start Guide */
.quick-start {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.quick-start-step {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
}

.quick-start-step .step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.quick-start-step h3 {
    margin-bottom: var(--spacing-sm);
}

.quick-start-step p {
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.quick-start-step code {
    background-color: var(--color-primary);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Commands List */
.commands-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.command-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-primary);
}

.command-name code {
    background-color: var(--color-primary);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.command-desc {
    color: var(--color-text-light);
}

/* FAQ Styles */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-lg);
    background-color: var(--color-bg);
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
}

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

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: var(--spacing-md);
}

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

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

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.faq-answer a {
    color: var(--color-primary);
}

.faq-answer a:hover {
    text-decoration: underline;
}

.faq-answer code {
    background-color: var(--color-bg-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875rem;
}

/* Contact Section */
.contact-section {
    text-align: center;
}

.contact-section > p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.contact-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
}

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

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(74, 21, 75, 0.1) 0%, rgba(97, 31, 105, 0.1) 100%);
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.contact-card h3 {
    margin-bottom: var(--spacing-xs);
}

.contact-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.contact-link {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 500;
}

.contact-link:hover {
    text-decoration: underline;
}

.contact-link code {
    background-color: var(--color-primary);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
}

/* Response Time Notice */
.response-time-notice {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--color-secondary);
    text-align: center;
}

.response-time-notice p {
    color: var(--color-text-light);
    margin: 0;
}

/* Responsive Support Page */
@media (max-width: 1024px) {
    .quick-start {
        grid-template-columns: 1fr;
    }

    .contact-options {
        grid-template-columns: 1fr;
    }

    .command-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .support-section h2 {
        font-size: 1.5rem;
    }

    .faq-question {
        padding: var(--spacing-md);
        font-size: 0.9rem;
    }

    .faq-question span {
        flex: 1;
        padding-right: var(--spacing-sm);
    }
}