/* ===== CSS Variables ===== */
:root {
    /* Colors - AirBnB inspired */
    --color-primary: #FF385C;
    --color-primary-dark: #E31C5F;
    --color-primary-light: #FF5A5F;
    
    --color-text: #222222;
    --color-text-secondary: #717171;
    --color-text-light: #484848;
    
    --color-background: #FFFFFF;
    --color-background-secondary: #F7F7F7;
    --color-background-tertiary: #EBEBEB;
    
    --color-border: #DDDDDD;
    --color-border-light: #EBEBEB;
    
    --color-success: #008A05;
    --color-warning: #C13515;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

/* ===== Reset & Base ===== */
*, *::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-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

p {
    color: var(--color-text-secondary);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-dark));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(to right, var(--color-primary-dark), #D70466);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--color-text);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

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

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
}

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

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

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

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

/* ===== Hero Section ===== */
.hero {
    padding: calc(80px + var(--spacing-xxl)) 0 var(--spacing-xxl);
    background: linear-gradient(180deg, var(--color-background-secondary) 0%, var(--color-background) 100%);
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 56, 92, 0.1);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-text);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

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

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    width: 300px;
    background: var(--color-text);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    background: white;
    border-radius: 32px;
    padding: var(--spacing-md);
    min-height: 500px;
}

.notification {
    display: flex;
    gap: var(--spacing-sm);
    background: var(--color-background-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.notif-icon {
    font-size: 1.5rem;
}

.notif-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text);
}

.notif-body {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.occupancy-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.occupancy-header {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.occupancy-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.occupancy-status.occupied {
    background: rgba(0, 138, 5, 0.1);
    color: var(--color-success);
}

.occupancy-bar {
    height: 8px;
    background: var(--color-border-light);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.occupancy-fill {
    height: 100%;
    background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
    border-radius: 4px;
}

.occupancy-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ===== Problem Section ===== */
.problem {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.section-tag {
    display: inline-block;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.problem-card {
    padding: var(--spacing-lg);
    background: var(--color-background-secondary);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal);
}

.problem-card:hover {
    transform: translateY(-4px);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

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

.testimonial {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--color-background-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.testimonial blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.testimonial cite {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-style: normal;
}

/* ===== Solution Section ===== */
.solution {
    padding: var(--spacing-xxl) 0;
    background: var(--color-background-secondary);
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    min-width: 180px;
}

.flow-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.flow-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* ===== Features Section ===== */
.features {
    padding: var(--spacing-xxl) 0;
}

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

.feature-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

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

/* ===== How It Works Section ===== */
.how-it-works {
    padding: var(--spacing-xxl) 0;
    background: var(--color-background-secondary);
}

.steps {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.step:last-child {
    border-bottom: none;
}

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

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

/* ===== For Agencies Section ===== */
.for-agencies {
    padding: var(--spacing-xxl) 0;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

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

.col-text > p {
    margin-bottom: var(--spacing-lg);
}

.benefit-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.benefit-list li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.check {
    color: var(--color-success);
    font-weight: 700;
}

.agency-card {
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.agency-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 138, 5, 0.1);
    color: var(--color-success);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 50px;
    margin-bottom: var(--spacing-md);
}

.agency-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.agency-stat {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.agency-quote {
    font-style: italic;
    color: var(--color-text-light);
}

/* ===== Security Section ===== */
.security {
    padding: var(--spacing-xxl) 0;
    background: var(--color-text);
    color: white;
}

.security .section-tag {
    color: rgba(255, 255, 255, 0.7);
}

.security .section-header h2 {
    color: white;
}

.security .section-header p {
    color: rgba(255, 255, 255, 0.7);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.security-card {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    text-align: center;
}

.security-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.security-card h3 {
    color: white;
    margin-bottom: var(--spacing-xs);
}

.security-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* ===== Pricing Section ===== */
.pricing {
    padding: var(--spacing-xxl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.pricing-card {
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    margin-bottom: var(--spacing-xs);
}

.pricing-price .currency {
    font-size: 1.25rem;
    vertical-align: top;
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
}

.pricing-price .period {
    color: var(--color-text-secondary);
}

.pricing-description {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

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

.pricing-note p {
    font-size: 0.875rem;
}

/* ===== CTA Section ===== */
.cta {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

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

.cta h2 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: left;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

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

.contact-form textarea {
    margin-bottom: var(--spacing-sm);
    resize: vertical;
}

.contact-form .btn {
    margin-top: var(--spacing-sm);
}

.form-note {
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Footer ===== */
.footer {
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    background: var(--color-background-secondary);
    border-top: 1px solid var(--color-border-light);
}

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

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    font-size: 0.875rem;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-light);
}

.footer-bottom p {
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-background);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-text);
    color: white;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .phone-mockup {
        width: 260px;
    }
    
    .phone-screen {
        min-height: 400px;
    }
    
    .problem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .security-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .two-col {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .navbar .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: calc(70px + var(--spacing-xl)) 0 var(--spacing-xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .problem-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .security-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-diagram {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .phone-mockup {
        width: 100%;
        max-width: 280px;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
}