/* =====================================================
   OKITO Website - Mobile Styles
   Mobile-first responsive design
   ===================================================== */

/* === Mobile Navigation === */

.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 44px;
    height: 44px;
    background: rgba(0, 255, 204, 0.1);
    border: 1px solid rgba(0, 255, 204, 0.3);
    border-radius: 8px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    flex-shrink: 0;
    align-items: center;
}

.nav-hamburger span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--neon);
    transition: all 0.3s ease;
    border-radius: 2px;
    flex-shrink: 0;
}

.nav-hamburger:hover {
    background: rgba(0, 255, 204, 0.15);
    border-color: var(--neon);
}

.nav-hamburger:hover span {
    background: var(--neon);
}

.nav-hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.active span:nth-child(2) {
    opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(5, 5, 5, 0.98);
    z-index: 9999;
    padding: 80px var(--space-lg) var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
    box-sizing: border-box;
}

.nav-mobile.active {
    display: flex;
    flex-direction: column;
    opacity: 1;
    visibility: visible;
}

.nav-mobile-links {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl) 0;
}

.nav-mobile-links li {
    margin-bottom: var(--space-sm);
}

.nav-mobile-links a {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    padding: var(--space-sm) 0;
    transition: color 0.2s ease;
}

.nav-mobile-links a:hover,
.nav-mobile-links a:active {
    color: var(--neon);
}

.nav-mobile-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.nav-mobile-actions .lang-switcher {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-start;
}

.nav-mobile-actions .lang-btn {
    min-width: 44px;
    min-height: 44px;
}

.nav-mobile-actions .theme-toggle {
    width: 100%;
    justify-content: center;
    min-height: 44px;
}

.nav-mobile-actions .btn {
    width: 100%;
    text-align: center;
    min-height: 44px;
}

/* Mobile styles */
@media (max-width: 767px) {
    .nav-hamburger {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .nav-links,
    .nav-actions {
        display: none !important;
    }
    
    .nav-mobile {
        display: block;
    }
    
    .nav-container {
        justify-content: space-between;
        gap: var(--space-md);
    }
    
    .nav-logo {
        flex-shrink: 0;
    }
    
    /* Prevent body scroll when menu is open */
    body.nav-open {
        overflow: hidden;
    }
}

/* Desktop styles */
@media (min-width: 768px) {
    .nav-hamburger,
    .nav-mobile {
        display: none !important;
    }
}

/* === Hero Mobile === */

@media (max-width: 767px) {
    .hero {
        min-height: auto;
        padding: var(--space-xl) 0;
        padding-top: calc(80px + var(--space-xl));
    }
    
    .hero-content {
        padding: 0 var(--space-md);
    }
    
    .hero h1 {
        font-size: clamp(1.75rem, 6vw, 3.5rem) !important;
        line-height: 1.2 !important;
    }
    
    .hero-subtitle {
        font-size: 1rem !important;
        line-height: 1.5 !important;
    }
    
    /* Hero video - full width */
    .demo-video-container {
        width: 100% !important;
        max-width: 100% !important;
        margin: var(--space-lg) auto !important;
        left: auto !important;
        transform: none !important;
        aspect-ratio: 16/9;
        border-radius: var(--radius-lg);
        overflow: hidden;
        cursor: pointer;
    }
    
    .demo-video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .tagline {
        font-size: 0.9rem !important;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--space-lg) 0;
        padding-top: calc(80px + var(--space-lg));
    }
    
    .hero h1 {
        font-size: 1.5rem !important;
    }
    
    .hero-subtitle {
        font-size: 0.9rem !important;
    }
    
    .tagline {
        font-size: 0.8rem !important;
    }
}

/* === Features Grid Mobile === */

.feature-grid,
.grid-3,
.grid-4 {
    display: grid;
    gap: var(--space-md);
}

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

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 992px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .card {
        padding: var(--space-sm);
    }
    
    .card h4 {
        font-size: 0.9rem;
    }
    
    .card p {
        font-size: 0.85rem;
    }
    
    .card-icon {
        font-size: 1.75rem;
    }
}

/* === Pricing Cards Mobile === */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
}

@media (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-grid > *:nth-child(4),
    .pricing-grid > *:nth-child(5) {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card-okito {
        max-width: 400px;
        width: 100%;
    }
    
    /* Featured card first on mobile */
    .pricing-grid .featured {
        order: -1;
    }
}

@media (max-width: 480px) {
    .pricing-card-okito {
        padding: var(--space-md);
    }
    
    .pricing-card-okito h3 {
        font-size: 0.9rem;
    }
    
    .pricing-card-okito .price {
        font-size: 1.75rem;
    }
    
    .pricing-card-okito ul {
        font-size: 0.85rem;
    }
}

/* === Use Cases Grid Mobile === */

.use-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

@media (max-width: 992px) {
    .use-case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .use-case-grid {
        grid-template-columns: 1fr;
    }
}

/* === Alert Examples Mobile === */

.alert-examples-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.alert-images-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Mobile-first: content first, gallery below */
@media (max-width: 992px) {
    .alert-examples-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .alert-images-grid {
        order: 2;
        width: 100%;
    }
    
    .alert-content {
        order: 1;
    }
}

/* Tablet: 2x2 grid */
@media (max-width: 768px) {
    .alert-images-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        width: 100%;
    }
    
    .alert-images-grid .demo-video-container,
    .alert-images-grid img {
        aspect-ratio: 3/4;
        width: 100%;
        height: auto;
        object-fit: cover;
        border-radius: var(--radius-md);
    }
}

/* Mobile: single column gallery */
@media (max-width: 600px) {
    .alert-images-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .alert-images-grid .demo-video-container,
    .alert-images-grid img {
        aspect-ratio: 4/3;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
        display: block;
    }
}

@media (max-width: 480px) {
    .alert-images-grid {
        gap: var(--space-sm);
    }
    
    .alert-images-grid .demo-video-container,
    .alert-images-grid img {
        aspect-ratio: 16/9;
        border-radius: var(--radius-sm);
    }
    
    .alert-preview {
        padding: var(--space-xs) !important;
        font-size: 0.8rem !important;
    }
}

/* === Footer Mobile === */

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-lg);
    }
    
    .footer-section {
        padding: var(--space-md) 0;
    }
    
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-links li {
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: var(--space-lg) var(--space-sm);
    }
    
    .footer-bottom {
        font-size: 0.8rem;
    }
}

/* === Typography Mobile === */

:root {
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
}

@media (max-width: 768px) {
    :root {
        --space-lg: 20px;
        --space-xl: 28px;
        --space-2xl: 40px;
    }
}

@media (max-width: 480px) {
    :root {
        --space-md: 12px;
        --space-lg: 16px;
        --space-xl: 24px;
        --space-2xl: 32px;
    }
}

/* Section spacing */
.section {
    padding: var(--space-2xl) var(--container-padding);
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-xl) var(--space-md);
    }
}

@media (max-width: 480px) {
    .section {
        padding: var(--space-lg) var(--space-sm);
    }
}

/* Headings */
h1 {
    font-size: clamp(1.75rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
}

/* Body text */
body {
    font-size: 16px;
    line-height: 1.6;
}

@media (max-width: 480px) {
    body {
        font-size: 15px;
    }
}

/* === Buttons & Touch === */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 44px;
    min-width: 44px;
    padding: var(--space-sm) var(--space-md);
    font-size: 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--neon);
    color: #041a14;
    font-weight: 700;
    text-shadow: none;
}

.btn-primary:hover,
.btn-primary:active {
    background: var(--neon-hover, #00e6b8);
    transform: translateY(-1px);
}

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

.btn-secondary:hover,
.btn-secondary:active {
    border-color: var(--neon);
    color: var(--text-primary);
}

/* Contact Sales readability (mobile) */
a.btn.btn-secondary[data-i18n="pricing.contact"],
a.btn.btn-secondary[data-i18n="cta.button2"] {
    color: var(--text-primary) !important;
}

a.btn.btn-secondary[data-i18n="pricing.contact"]:hover,
a.btn.btn-secondary[data-i18n="pricing.contact"]:active,
a.btn.btn-secondary[data-i18n="cta.button2"]:hover,
a.btn.btn-secondary[data-i18n="cta.button2"]:active {
    color: var(--text-primary) !important;
}

/* Touch states */
@media (hover: none) {
    .btn:active {
        transform: scale(0.98);
    }
    
    .nav-link:active,
    .footer-links a:active {
        color: var(--neon);
    }
}

/* Links */
.nav-link,
.footer-links a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
}

@media (max-width: 480px) {
    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.9rem;
    }
}

/* === Video Modal Mobile === */

.video-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.video-modal-content {
    width: 100%;
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

@media (max-width: 768px) {
    .video-modal {
        padding: var(--space-sm);
    }
    
    .video-modal-content {
        max-height: 70vh;
    }
}

.video-modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 480px) {
    .video-modal-close {
        top: var(--space-sm);
        right: var(--space-sm);
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}

/* === Container Mobile === */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

/* === Language Switcher Mobile === */

@media (max-width: 767px) {
    .lang-switcher {
        display: flex;
        gap: var(--space-xs);
    }
    
    .lang-btn {
        min-width: 44px;
        min-height: 44px;
        padding: var(--space-xs) var(--space-sm);
    }
}

/* Light theme mobile menu readability */
[data-theme="light"] .nav-mobile {
    background: rgba(248, 249, 250, 0.98);
}

[data-theme="light"] .nav-mobile-links a {
    color: #0f172a;
}

[data-theme="light"] .nav-mobile-links a:hover,
[data-theme="light"] .nav-mobile-links a:active {
    color: #0b7a63;
}

[data-theme="light"] .nav-mobile-actions .lang-btn,
[data-theme="light"] .nav-mobile-actions .theme-toggle {
    color: #0f172a;
    border-color: rgba(15, 23, 42, 0.2);
    background: rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .nav-mobile .btn-primary {
    color: #042017;
}

/* === Theme Toggle Mobile === */

@media (max-width: 767px) {
    .theme-toggle {
        width: 100%;
        min-height: 44px;
        justify-content: center;
    }
}

/* === Section Headers Mobile === */

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    margin-bottom: var(--space-sm);
}

.section-description {
    font-size: clamp(0.9rem, 2vw, 1rem);
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: var(--space-lg);
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .section-description {
        font-size: 0.85rem;
    }
}

/* === Divider Mobile === */

@media (max-width: 480px) {
    .divider {
        margin: var(--space-lg) 0;
    }
}