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

:root {
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-medium: #2a2a2a;
    --color-light: #4a4a4a;
    --color-lighter: #6a6a6a;
    --color-gray: #808080;
    --color-silver: #a0a0a0;
    --color-white: #ffffff;
    --accent-line: #ffffff;
    
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "Courier New", monospace;
}

html {
    scroll-behavior: smooth;
}

section[id] {
    scroll-margin-top: 85px;
}

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

a:visited {
    color: inherit;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Top Accent Line */
.top-accent {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background-color: var(--accent-line);
    z-index: 1000;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 3px;
    background-color: var(--color-black);
    border-bottom: 1px solid var(--color-dark);
    padding: 20px 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(10, 10, 10, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: opacity var(--transition-fast);
    color: var(--color-white);
    text-decoration: none;
}

.logo:hover,
.logo:focus,
.logo:visited,
.logo:active {
    color: var(--color-white);
    opacity: 0.85;
}

.logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(1.2);
}

.logo-text {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-white);
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    border: 1px solid var(--color-medium);
    color: var(--color-white);
    padding: 8px 12px;
    border-radius: 2px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
}

.lang-switcher:hover {
    border-color: var(--color-white);
    background-color: var(--color-dark);
}

.lang-switcher:active {
    transform: scale(0.98);
}

/* Navigation Menu Tabs */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 9999px;
    padding: 4px 6px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all var(--transition-fast);
}

.nav-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 7px 18px;
    border-radius: 9999px;
    font-family: var(--font-family);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--color-silver);
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    user-select: none;
    position: relative;
    border: 1px solid transparent;
}

.nav-item:hover {
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.07);
}

.nav-item.active {
    color: var(--color-black) !important;
    background: var(--color-white);
    border-color: var(--color-white);
    font-weight: 600;
    box-shadow: 0 0 16px rgba(255, 255, 255, 0.35);
}

.nav-item:active {
    transform: scale(0.97);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Hero Section */
.hero {
    padding: 80px 0 120px;
    border-bottom: 1px solid var(--color-dark);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(30px, -30px);
    }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-left {
    display: flex;
    flex-direction: column;
    animation: slideInLeft 0.8s ease-out;
}

.hero-text {
    margin-bottom: 40px;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    font-size: 72px;
    font-weight: 700;
    letter-spacing: 4px;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-silver);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 24px;
    font-weight: 500;
}

.hero-description {
    font-size: 16px;
    color: var(--color-lighter);
    line-height: 1.8;
    max-width: 500px;
}

.hero-right {
    animation: slideInRight 0.8s ease-out;
}

.hero-cta {
    display: flex;
    flex-direction: row;
    gap: 20px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-screenshot {
    width: 100%;
    max-width: 500px;
    height: auto;
    border: 1px solid var(--color-dark);
    border-radius: 6px;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.08);
    transition: all var(--transition-normal);
}

.menu-screenshot:hover {
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.18);
    transform: translateY(-5px);
    border-color: var(--color-light);
}

/* Features Section */
.features {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-dark);
    position: relative;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 60px;
    text-align: center;
    position: relative;
    color: var(--color-white);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--color-white) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.feature-card {
    padding: 36px;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.6) 0%, rgba(14, 14, 14, 0.8) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.06) 50%, transparent 100%);
    transition: left 0.6s ease-out;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    background: linear-gradient(135deg, rgba(35, 35, 35, 0.8) 0%, rgba(20, 20, 20, 0.95) 100%);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(255, 255, 255, 0.06);
    transform: translateY(-6px);
}

.feature-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
    transform: scale(1.05);
}

.feature-icon svg {
    stroke: var(--color-white);
    display: block;
}

.feature-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.feature-desc {
    font-size: 14px;
    color: var(--color-lighter);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* Showcase Section */
.showcase {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-dark);
}

.showcase-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-responsive {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border: 1px solid var(--color-dark);
    border-radius: 4px;
    background: rgba(20, 20, 20, 0.5);
}

.video-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    border-bottom: 1px solid var(--color-dark);
    text-align: center;
}

.cta-title {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 50px;
    color: var(--color-white);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out;
}

.btn {
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.4s ease-out;
}

.btn:hover::before {
    left: 100%;
}

.btn svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
    position: relative;
    z-index: 1;
}

.btn:hover svg {
    transform: translateY(-2px);
}

.btn-primary,
.btn-hero-primary {
    background-color: var(--color-white);
    color: var(--color-black) !important;
    border: 2px solid var(--color-white);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.15);
    position: relative;
    z-index: 1;
}

.btn-primary:visited,
.btn-hero-primary:visited {
    color: var(--color-black) !important;
}

.btn-primary:hover,
.btn-hero-primary:hover {
    background-color: var(--color-white);
    color: var(--color-black) !important;
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(255, 255, 255, 0.3);
}

.btn-primary:active,
.btn-hero-primary:active {
    transform: translateY(-2px);
}

.btn-secondary,
.btn-hero-secondary {
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--color-white) !important;
    border: 2px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(5px);
    position: relative;
    z-index: 1;
}

.btn-secondary:visited,
.btn-hero-secondary:visited {
    color: var(--color-white) !important;
}

.btn-secondary:hover,
.btn-hero-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-black) !important;
    border-color: var(--color-white);
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover svg,
.btn-hero-secondary:hover svg {
    stroke: var(--color-black);
}

.btn-secondary:active,
.btn-hero-secondary:active {
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-dark);
    text-align: center;
    background-color: var(--color-black);
}

.footer p {
    font-size: 13px;
    color: var(--color-lighter);
    letter-spacing: 0.5px;
}

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-left {
        order: 1;
    }

    .hero-right {
        order: 2;
    }

    .hero-cta {
        gap: 15px;
    }

    .btn-hero-primary, .btn-hero-secondary {
        width: 100%;
        text-align: center;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .section-title {
        font-size: 32px;
        letter-spacing: 2px;
        margin-bottom: 50px;
    }

    .section-title::after {
        bottom: -15px;
        width: 80px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .feature-card {
        padding: 30px;
    }

    .cta-title {
        font-size: 28px;
        letter-spacing: 1px;
        margin-bottom: 40px;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .nav-content {
        flex-wrap: wrap;
        gap: 12px;
        justify-content: space-between;
    }

    .nav-menu {
        order: 3;
        width: 100%;
        justify-content: center;
        gap: 4px;
        padding: 4px;
        margin-top: 2px;
    }

    .nav-item {
        padding: 6px 14px;
        font-size: 12px;
    }

    .logo-text {
        font-size: 14px;
    }

    .showcase {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 80px;
    }

    .hero-title {
        font-size: 32px;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 12px;
    }

    .hero-description {
        font-size: 14px;
    }

    .section-title {
        font-size: 24px;
        margin-bottom: 40px;
    }

    .features {
        padding: 60px 0;
    }

    .feature-card {
        padding: 24px;
    }

    .feature-name {
        font-size: 16px;
    }

    .feature-desc {
        font-size: 13px;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-title {
        font-size: 22px;
        margin-bottom: 30px;
    }

    .navbar {
        padding: 15px 0;
    }

    .logo-img {
        width: 28px;
        height: 28px;
    }

    .lang-switcher {
        font-size: 11px;
        padding: 6px 10px;
    }

    .nav-item {
        padding: 5px 10px;
        font-size: 11px;
        letter-spacing: 0.3px;
    }
}