/* ===============================================
   WINNITA APP - STYLES.CSS
   Dark Theme, Modern Design, SEO Optimized
   =============================================== */

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

:root {
    --color-bg: #ffffff;
    --color-bg-secondary: #1a3271;
    --color-bg-tertiary: #f5f5f5;
    --color-text: #1a1a1a;
    --color-text-secondary: #4a4a4a;
    --color-text-light: #ffffff;
    --color-btn-red: #dc3545;
    --color-btn-red-hover: #c82333;
    --color-btn-green: #28a745;
    --color-btn-green-hover: #218838;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    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;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(26, 50, 113, 0.1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 32px;
    width: auto;
    display: block;
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-text);
    transition: var(--transition);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.nav.active {
    display: flex;
}

.nav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav a:hover,
.nav a:focus {
    color: var(--color-bg-secondary);
}

@media (min-width: 768px) {
    .menu-toggle {
        display: none;
    }

    .nav {
        display: flex;
        position: static;
        flex-direction: row;
        background: none;
        gap: var(--spacing-md);
    }

    .nav a {
        font-size: 1rem;
    }
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-bg);
}

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

h1 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    h1 {
        font-size: 3rem;
    }
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

/* Buttons */
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: center;
}

@media (min-width: 768px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    min-width: 240px;
}

.btn-primary {
    background-color: var(--color-btn-red);
    color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-btn-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(220, 53, 69, 0.3);
}

.btn-secondary {
    background-color: var(--color-btn-green);
    color: #ffffff;
    border: none;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--color-btn-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.3);
}

/* Badges */
.badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-bg-tertiary);
    border: 1px solid rgba(26, 50, 113, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text);
}

/* Mockup Section */
.mockup-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

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

@media (min-width: 768px) {
    .mockup-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.device-mockup {
    display: flex;
    justify-content: center;
    padding: var(--spacing-md) 0;
}

.device-frame {
    position: relative;
    width: 280px;
    background: linear-gradient(135deg, #3a4a7a 0%, #2a3a6a 100%);
    border-radius: 30px;
    padding: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.device-screen {
    position: relative;
    width: 100%;
    height: 560px;
    background-color: #000;
    border-radius: 20px;
    overflow: hidden;
}

.device-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.device-notch {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 25px;
    background-color: #0a0a0a;
    border-radius: 0 0 15px 15px;
    z-index: 10;
}

.mockup-text h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.mockup-text p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.9);
}

.feature-list svg {
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* Content Section */
.content-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.content-section.dark {
    background-color: var(--color-bg-secondary);
}

.content-section.dark h2 {
    color: var(--color-text-light);
}

.content-section.dark p {
    color: rgba(255, 255, 255, 0.9);
}

.content-section.alt {
    background-color: var(--color-bg);
}

.content-box {
    max-width: 900px;
    margin: 0 auto;
}

h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    h2 {
        font-size: 2.25rem;
    }
}

.content-box p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.disclaimer {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(26, 50, 113, 0.1);
    border-left: 4px solid var(--color-bg-secondary);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
}

/* Guide Section */
.guide-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.guide-section.alt {
    background-color: var(--color-bg-secondary);
}

.guide-section.alt h2 {
    color: var(--color-text-light);
}

.guide-section.alt p {
    color: rgba(255, 255, 255, 0.9);
}

.guide-section.alt > .container > .guide-grid > .guide-content > p {
    color: rgba(255, 255, 255, 0.9);
}

.guide-section.alt .step-content strong {
    color: var(--color-text-light);
}

.guide-section.alt .step-content p {
    color: rgba(255, 255, 255, 0.9);
}

.guide-section.alt .guide-note {
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
}

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

@media (min-width: 768px) {
    .guide-grid {
        grid-template-columns: 1.5fr 1fr;
    }

    .guide-grid.reverse {
        grid-template-columns: 1fr 1.5fr;
    }

    .guide-grid.reverse .guide-content {
        order: 2;
    }

    .guide-grid.reverse .guide-image {
        order: 1;
    }
}

.steps-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.steps-list li {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background-color: var(--color-bg-secondary);
    color: #ffffff;
    font-weight: 700;
    border-radius: 50%;
    font-size: 1.125rem;
}

.step-content strong {
    display: block;
    color: var(--color-text);
    margin-bottom: 0.25rem;
    font-size: 1.0625rem;
}

.step-content p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.guide-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--color-text);
}

.guide-image {
    display: flex;
    justify-content: center;
    padding: var(--spacing-md);
}

.device-mockup-small {
    transform: scale(0.7);
}

@media (min-width: 768px) {
    .device-mockup-small {
        transform: scale(0.85);
    }
}

.phone-illustration svg {
    width: 200px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.cta-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(26, 50, 113, 0.1);
}

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

.cta-box p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 1.0625rem;
}

/* FAQ Section */
.faq-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-secondary);
}

.faq-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.faq-intro {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 1.0625rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    color: rgba(255, 255, 255, 0.8);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
    stroke-width: 2;
    stroke: var(--color-text-light);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

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

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.7;
}

/* Footer */
.footer {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-bg-tertiary);
    border-top: 1px solid rgba(26, 50, 113, 0.1);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-nav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.footer-nav a:hover,
.footer-nav a:focus {
    color: var(--color-bg-secondary);
}

.footer-disclaimer {
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--color-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-bg-secondary);
}

.footer-disclaimer p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 0.5rem;
}

.footer-disclaimer p:last-child {
    margin-bottom: 0;
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(26, 50, 113, 0.1);
}

/* Accessibility */
:focus-visible {
    outline: 2px solid var(--color-bg-secondary);
    outline-offset: 2px;
}

/* Smooth animations */
@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;
    }
}