/* ============================================
   Click2Speak Landing Page Styles
   Color Scheme: Blue (#2d73ba), Lime Green (#8dc63f), Green Button (#07af03)
   ============================================ */

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

:root {
    --color-primary: #2d73ba;
    --color-accent: #8dc63f;
    --color-button: #07af03;
    --color-dark: #1a1a1a;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;
    --spacing-unit: 1rem;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

/* Fade-in Animation (only if motion is not reduced) */
@media (prefers-reduced-motion: no-preference) {
    .fade-in-ready {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-in {
        opacity: 1;
        transform: translateY(0);
    }
}

body {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
}

/* Skip Link for Accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 100;
    border-radius: 0 0 4px 0;
}

.skip-link:focus {
    top: 0;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

/* Header / Hero Section */
.hero {
    background: linear-gradient(180deg, var(--color-white) 0%, #f8f9fa 100%);
    color: var(--color-text);
    text-align: center;
    padding: calc(var(--spacing-unit) * 3) var(--spacing-unit) calc(var(--spacing-unit) * 2.5);
    min-height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-light) 50%, transparent 100%);
}

.logo-container {
    margin-bottom: calc(var(--spacing-unit) * 2);
    position: relative;
    z-index: 2;
}

.logo {
    max-width: 280px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.02);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    line-height: 1.2;
    color: var(--color-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.2vw, 1.3rem);
    margin-bottom: calc(var(--spacing-unit) * 2.5);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--color-text);
    line-height: 1.6;
    font-weight: 400;
}


/* Buttons */
.btn-download {
    display: inline-block;
    background-color: var(--color-button);
    color: var(--color-white);
    text-decoration: none;
    padding: 18px 48px;
    border-radius: 30px;
    font-size: 1.25rem;
    font-weight: 600;
    transition: var(--transition);
    border: 3px solid var(--color-button);
    min-height: 60px;
    min-width: 200px;
    text-align: center;
    cursor: pointer;
}

.btn-download:hover,
.btn-download:focus {
    background-color: #059a02;
    border-color: #059a02;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(7, 175, 3, 0.3);
    outline: 3px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.btn-download:active {
    transform: translateY(0);
}

.btn-download-large {
    font-size: 1.5rem;
    padding: 22px 60px;
    min-height: 70px;
    min-width: 250px;
}

/* Section Styles */
section {
    padding: calc(var(--spacing-unit) * 4) var(--spacing-unit);
}

section h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--color-primary);
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
    line-height: 1.2;
}

.overview-text-wrapper h2 {
    text-align: left;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

/* Overview Section */
.overview {
    background-color: var(--color-light);
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 3);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.overview-text-wrapper {
    text-align: left;
}

.overview-text {
    font-size: 1.1rem;
    margin-top: calc(var(--spacing-unit) * 1.5);
    text-align: left;
    color: var(--color-text);
    line-height: 1.7;
}

.keyboard-image-wrapper {
    text-align: center;
}

.keyboard-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--color-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.keyboard-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.mission-statement {
    font-size: 1.2rem;
    text-align: center;
    max-width: 800px;
    margin: calc(var(--spacing-unit) * 2) auto 0;
    color: var(--color-primary);
    font-style: italic;
}

/* Features Section */
.features {
    background-color: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 2);
}

.feature-item {
    background-color: var(--color-light);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-item:hover,
.feature-item:focus-within {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.feature-item h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.feature-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* About Founder Section */
.about-founder {
    background-color: var(--color-light);
}

.founder-content {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: calc(var(--spacing-unit) * 2.5);
    align-items: start;
    max-width: 900px;
    margin: 0 auto;
}

.founder-photo {
    width: 100%;
    height: auto;
    border-radius: 50%;
    border: 4px solid var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.founder-text h3 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.founder-text p {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    color: var(--color-text);
    line-height: 1.7;
}

/* Team Section */
.team {
    background-color: var(--color-white);
}

.team-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto calc(var(--spacing-unit) * 2);
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: calc(var(--spacing-unit) * 2.5);
    margin-top: calc(var(--spacing-unit) * 2);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.team-member {
    text-align: center;
    padding: calc(var(--spacing-unit) * 2);
    transition: var(--transition);
    background-color: var(--color-light);
    border-radius: 12px;
    border: 2px solid transparent;
}

.team-member:hover,
.team-member:focus-within {
    transform: translateY(-4px);
    border-color: var(--color-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.team-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-accent);
    margin: 0 auto calc(var(--spacing-unit) * 1.5);
    display: block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.team-member h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    font-weight: 600;
}

.team-role {
    font-size: 1rem;
    color: var(--color-button);
    font-weight: 600;
    margin-bottom: calc(var(--spacing-unit) * 1);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.team-description {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.6;
    text-align: left;
    margin-top: calc(var(--spacing-unit) * 1);
}

/* Download CTA Section */
.download-cta {
    background: linear-gradient(135deg, var(--color-accent) 0%, #6fa82f 100%);
    color: var(--color-white);
    text-align: center;
}

.download-cta h2 {
    color: var(--color-white);
}

.cta-text {
    font-size: 1.2rem;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.cta-free {
    font-size: 1.5rem;
    margin-bottom: calc(var(--spacing-unit) * 2);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.download-cta .btn-download {
    background-color: var(--color-white);
    color: var(--color-button);
    border-color: var(--color-white);
}

.download-cta .btn-download:hover,
.download-cta .btn-download:focus {
    background-color: var(--color-light);
    border-color: var(--color-light);
    color: var(--color-button);
    outline-color: var(--color-white);
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: calc(var(--spacing-unit) * 4) var(--spacing-unit);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: calc(var(--spacing-unit) * 2);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: calc(var(--spacing-unit) * 1);
    color: var(--color-accent);
}

.footer-section p {
    margin-bottom: calc(var(--spacing-unit) * 0.5);
}

.footer-section a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover,
.footer-section a:focus {
    color: var(--color-accent);
    text-decoration: underline;
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.footer-copyright {
    text-align: center;
    padding-top: calc(var(--spacing-unit) * 2);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-light);
}

/* Responsive Design */

/* Tablet (768px - 1024px) */
@media screen and (max-width: 1024px) {
    .hero {
        padding: calc(var(--spacing-unit) * 2.5) var(--spacing-unit) calc(var(--spacing-unit) * 2);
    }

    .logo {
        max-width: 240px;
    }
    
    .logo-container {
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .overview-text-wrapper {
        text-align: center;
    }
    
    .overview-text {
        text-align: center;
    }
    
    .overview-text-wrapper h2 {
        text-align: center;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .founder-content {
        grid-template-columns: 180px 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
}

/* Mobile (below 768px) */
@media screen and (max-width: 768px) {
    :root {
        --spacing-unit: 0.875rem;
    }

    section {
        padding: calc(var(--spacing-unit) * 3) var(--spacing-unit);
    }

    .hero {
        padding: calc(var(--spacing-unit) * 2) var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
    }

    .logo {
        max-width: 220px;
    }
    
    .logo-container {
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .overview-content {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
    
    .overview-text-wrapper {
        text-align: center;
    }
    
    .overview-text {
        text-align: center;
    }
    
    .overview-text-wrapper h2 {
        text-align: center;
    }

    .btn-download {
        font-size: 1.1rem;
        padding: 16px 36px;
        min-height: 56px;
        min-width: 180px;
    }

    .btn-download-large {
        font-size: 1.3rem;
        padding: 18px 48px;
        min-height: 64px;
        min-width: 220px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 1.5);
    }

    .founder-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: calc(var(--spacing-unit) * 2);
    }

    .founder-photo {
        max-width: 200px;
        margin: 0 auto;
    }

    .team-grid {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }

    .team-photo {
        width: 120px;
        height: 120px;
    }
    
    .team-description {
        text-align: center;
    }

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

/* Small Mobile (below 480px) */
@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn-download {
        font-size: 1rem;
        padding: 14px 32px;
        min-width: 160px;
    }

    .btn-download-large {
        font-size: 1.2rem;
        padding: 16px 40px;
        min-width: 200px;
    }

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

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

/* Print Styles */
@media print {
    .skip-link,
    .btn-download,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    section {
        page-break-inside: avoid;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #0066cc;
        --color-accent: #00cc00;
        --color-text: #000000;
        --color-text-light: #333333;
    }

    .btn-download {
        border-width: 4px;
    }
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Ensure sufficient color contrast */
a {
    color: var(--color-primary);
}

a:hover,
a:focus {
    color: var(--color-accent);
}