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

:root {
    /* Boardly Design System - Exact from Kanban */
    --primary-color: #1e40af;      /* Primary Blue */
    --primary-hover: #1e3a8a;      /* Darker Blue */
    --nav-bg: #263238;             /* Header Background */
    --secondary-color: #2ECC71;    /* Success Green */
    --accent-orange: #FF9800;      /* Orange - Warning */
    --accent-red: #EF4444;         /* Red - Critical */
    --accent-green: #00B894;       /* Success Green */
    --text-dark: #263238;          /* Primary Text */
    --text-secondary: #546E7A;     /* Secondary Text */
    --text-light: #90A4AE;         /* Hint Text */
    --bg-light: #F5F5F5;           /* Background */
    --bg-white: #FFFFFF;           /* Surface */
    --border-color: #E0E0E0;       /* Border */
    --border-light: rgba(0,0,0,0.08);
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation - Boardly Header Style */
.navbar {
    background: rgba(38, 50, 56, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 8px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-image {
    height: 80px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
}

.logo .tagline {
    font-size: 0.7rem;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 10px;
    background: var(--accent-orange);
    border-radius: 6px;
    font-weight: 600;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #ffffff;
    font-weight: 500;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.nav-links a:hover {
    opacity: 1;
    color: #ffffff;
}

/* Buttons - Boardly Style */
.btn-primary {
    background: #091e42;
    color: white;
    padding: 10px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.15s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
    min-height: 36px;
    box-shadow: none;
}

.btn-primary:hover {
    background: #172b4d;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    color: white;
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-dark);
    padding: 10px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.15s ease;
    border: 1px solid var(--border-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 14px;
    min-height: 36px;
}

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--border-color);
    transform: translateY(-1px);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
    color: var(--text-dark);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-tag {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: rgba(30, 64, 175, 0.08);
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    border: 1px solid rgba(30, 64, 175, 0.15);
}


.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.15;
    color: var(--text-dark);
}

.hero-content .highlight {
    color: #1e40af;
    position: relative;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

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

.badge {
    background: white;
    color: var(--text-dark);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* Hero Screenshot - Premium Style */
.hero-screenshot {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15), 0 1px 3px rgba(0,0,0,0.12);
    border: 1px solid rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    background: white;
}

.hero-screenshot:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2), 0 3px 6px rgba(0,0,0,0.15);
}

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

.product-screenshot {
    margin: var(--spacing-lg) 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    background: white;
    padding: var(--spacing-sm);
}

.screenshot-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 6px;
    border: 1px solid var(--border-light);
    box-shadow: 0 1px 1px rgba(15, 23, 42, 0.06);
    transition: all 0.15s ease;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.12);
    border-color: rgba(15, 23, 42, 0.16);
}

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

.feature-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.about-text p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
    line-height: 1.8;
}

.check-list {
    list-style: none;
    margin-top: var(--spacing-md);
}

.check-list li {
    padding: var(--spacing-xs) 0;
    color: var(--success-color);
    font-weight: 500;
    font-size: 1.1rem;
}

.quality-badge {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.badge-content {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-lg);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    min-width: 280px;
}

.badge-content .flag {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.1));
}

.badge-content .text {
    font-size: 1.3rem;
    display: block;
    opacity: 0.95;
}

.badge-content strong {
    font-size: 2.2rem;
    display: block;
    font-weight: 700;
    letter-spacing: 3px;
    margin-top: var(--spacing-xs);
}

/* Demo Section */
.demo {
    padding: var(--spacing-xl) 0;
    background: white;
}

.demo-box {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.demo-box h2 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.demo-box p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.demo-form {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.demo-form input {
    flex: 1;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: var(--font-primary);
    background: white;
}

.demo-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.demo-form button {
    cursor: pointer;
    border: none;
    font-size: 1rem;
    color: white;
    background: var(--primary-color);
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.demo-form button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.demo-note {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background: white;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.2rem;
}

.contact-item .icon {
    font-size: 2rem;
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

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

/* Footer */
footer {
    background: var(--nav-bg);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.footer-left h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-xs);
}

.footer-left p {
    opacity: 0.8;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive Design */

/* Mobile First - Small devices (phones, 320px and up) */
@media (max-width: 480px) {
    :root {
        --spacing-xs: 0.375rem;
        --spacing-sm: 0.75rem;
        --spacing-md: 1.25rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Navigation */
    .navbar {
        padding: var(--spacing-xs) 0;
    }

    .navbar .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }

    .logo {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }

    .logo-image {
        height: 60px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .hero-screenshot {
        border-radius: 8px;
        border-width: 2px;
    }

    .product-screenshot {
        margin: var(--spacing-md) 0;
        border-radius: 12px;
        padding: var(--spacing-xs);
    }

    .screenshot-image {
        border-radius: 8px;
    }

    .nav-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }

    .nav-links li {
        flex: 0 0 auto;
    }

    /* Hero Section */
    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hero-content h2 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-sm);
    }

    .cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }

    .cta-buttons a {
        width: 100%;
        text-align: center;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 1rem;
    }

    .hero-badges {
        justify-content: flex-start;
    }

    .badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }


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

    .section-title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-xs);
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
        padding: 0 var(--spacing-sm);
    }

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

    .feature-card {
        padding: var(--spacing-sm);
    }

    .feature-icon {
        font-size: 2.5rem;
    }

    .feature-card h3 {
        font-size: 1.25rem;
    }

    /* About Section */
    .about {
        padding: var(--spacing-lg) 0;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-text h2 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }

    .about-text p {
        font-size: 1rem;
    }

    .check-list li {
        font-size: 0.95rem;
    }

    .badge-content {
        min-width: 100%;
        padding: var(--spacing-md);
    }

    .badge-content .flag {
        font-size: 3rem;
    }

    .badge-content .text {
        font-size: 1.1rem;
    }

    .badge-content strong {
        font-size: 1.8rem;
    }

    /* Demo Section */
    .demo {
        padding: var(--spacing-lg) 0;
    }

    .demo-box {
        padding: var(--spacing-md);
    }

    .demo-box h2 {
        font-size: 1.75rem;
    }

    .demo-box p {
        font-size: 1rem;
    }

    .demo-form {
        flex-direction: column;
    }

    .demo-form input,
    .demo-form button {
        width: 100%;
        padding: 14px 18px;
        font-size: 0.95rem;
    }

    /* Contact */
    .contact {
        padding: var(--spacing-lg) 0;
    }

    .contact-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .contact-item {
        font-size: 1rem;
    }

    /* Footer */
    footer {
        padding: var(--spacing-md) 0 var(--spacing-sm);
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-left h3 {
        font-size: 1.5rem;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .footer-bottom {
        font-size: 0.85rem;
    }
}

/* Tablets and small laptops (481px to 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Navigation */
    .navbar .container {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .logo h1 {
        font-size: 1.75rem;
    }

    .nav-links {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    /* Hero */
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .cta-buttons {
        flex-direction: row;
    }


    /* Features */
    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    /* About */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-text h2 {
        font-size: 2rem;
    }

    /* Demo */
    .demo-form {
        flex-direction: row;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .footer-links {
        flex-direction: row;
        justify-content: center;
    }

    .contact-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* Medium devices (tablets, 769px to 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 960px;
    }

    .hero-content h2 {
        font-size: 3rem;
    }

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

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

/* Large devices (desktops, 1025px and up) */
@media (min-width: 1025px) {
    .container {
        max-width: 1200px;
    }

    /* Optimize for larger screens */
    .hero-content h2 {
        font-size: 3.5rem;
    }

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets for mobile */
    .btn-primary,
    .btn-secondary,
    .nav-links a {
        min-height: 44px;
        min-width: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Remove hover effects on touch devices */
    .feature-card:hover,
    .kanban-card:hover,
    .btn-primary:hover,
    .btn-secondary:hover {
        transform: none;
    }

    /* Better tap highlights */
    * {
        -webkit-tap-highlight-color: rgba(37, 99, 235, 0.1);
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.feature-card,
.about-content {
    animation: fadeInUp 0.8s ease-out;
}